Town of Sunset Beach Navigation Project

DIVISION OF COASTAL MANAGEMENT
Fnviranmenra! FIELD INVESTIGATION REPORT
QG<)Ilty
1. APPLICANT'S NAME: Town of Sunset Beach
2. LOCATION OF PROJECT SITE: Sunset Beach Finger Canals, Feeder Channel, Bay Area
and S Jinks along with 400 Cobia St. Sunset Beach, NC 28468
Longitude:-78.49927 Latitude: 33.87332
3. INVESTIGATION TYPE: CAMA + Dredge & Fill
4. INVESTIGATIVE PROCEDURE:
Date of Visit
Purpose of Visit
Applicant Present?
9/12/2023
Major Mod
No
5. PROCESSING PROCEDURE:
Application Received
Application Complete
Regional Office
7/25/2023
9/21/2023
DCM - Wilmington Regional Office
6. SITE DESCRIPTION:
(A) Local Land Use Plan:
Land Classification from LUP: Land Classification From LUPs
(B) AEC(s) Involved:
(C) Water Dependent: Yes
(D) Intended Use: Public/Government
(E) Wastewater Treatment:
Existing:
Planned:
(F) Type of Structures:
Existing:
Planned:
(G) Estimated Annual Rate of Erosion:
Erosion Information Source: Annual Erosion Source
7. HABITAT DESCRIPTION:
DREDGED (ft)
FILLED (ft)
OTHER (ft)
A Open Water
440100
CW's above NHW
C CW's below NHW
Shallow Bottom
800
High Ground
274428
Non -Coastal WL
(E) Total Area Disturbed: 715328 W
(F) Primary Nursery Area: No
(G) Water Classification: SA: Market Shellfishing, Tidal Salt Water
Open to Shellfishing: Yes
Field Investigation Report: Town of Sunset Beach
DCM Major Permit
Page 11

8. PROJECT SUMMARY:
The applicant is proposing to reduce the channel bottom excavation footprint and change the
dredge limit footprint in the Finger Canals, Feeder Channel, Bay Area and Zone B which
would reduce the previously permitted dredge footprint from 11.2 acres to 10.1 acres for the
Town of Sunset Beach Navigation Project. The applicant is also proposing to increase the
excavation depth from — 3 ft. to - 6 ft. at MLW at the South Jinks Creek shoal (Zone B) and an
increase the temporary matting area at the approved offloading area.
9. NARRATIVE DESCRIPTION:
This is an additional major modification request for State Permit No. 79-19. The project site is
located within and adjacent to the eastern side of Sunset Beach in Brunswick County. The
Finger Canal portion of the dredging is located adjacent to Marlin, Sailfish, Dolphin and Cobia
Streets. The Feeder Canal runs between Riverside Drive and N. Shore Drive. The Bay Area is
south of the Feeder Canal and runs along Canal Drive. Both the Feeder Canal and Bay Areas
extend to South Jinks Creek. The proposed spoil placement area is on DA 310 adjacent to the
AIWW.
The original project area is on the eastern end of Sunset Beach between the island and Tubbs
Inlet. The project is comprised of 4 man- made canals that connect to a Feeder Channel and a
Bay Area to the south. Both the Feeder Channel and the Bay Area connect to South Jinks
Creek. The shoreline of the Finger Canals is stabilized primarily by bulkheads, with some
sections of riprap. The man-made canals border narrow residential lots heavily developed
with single family residences and private docking facilities. The width of the canals is
approximately 90 ft. and there are areas of oysters and coastal wetlands, mostly consisting of
Salt Marsh Cordgrass (Spartina alterniflora), established along the 3,200 linear ft. project area.
The 3,500 linear ft. Feeder Channel project area is stabilized by bulkheads with undeveloped
lots to the north. The channel averages 90 ft. in width with coastal wetlands, mostly
consisting of Salt Marsh Cordgrass (Spartina alterniflora), present on each shoreline east of the
finger canals. To the south, the Bay Area is stabilized primarily by bulkheads, with some rip
rap and sparse vegetation including Sea Oxeye and Salt Marsh Cordgrass. The Bay Area
project extends 2,200 linear ft. to the east with widths ranging from 130 ft. in with to 470 ft
nearest the confluence with Jinks Creek. Both the Feeder Channel and the Bay Area connect to
the 1,700 linear ft. South Jinks Creek project to the east, which transitions into the Atlantic
Ocean through Tubbs Inlet to the south and to the AIWW to the north.
State Permit No. 79-19 was issued by CRC Variance on March 3, 2020 for the excavation of
the Finger Canals, Feeder Channel, Bay Area and South Jinks Creek with both upland disposal
and beach fill. The depth of excavation was authorized to — 5 ft. below MLW for Finger
Canals and to — 6 ft. below MLW for the Bay Area and South Jinks Creek. The dredging of the
South Jinks Creek area was proposed to be dredged to a final depth of -6 ft. (- 5 ft. + 1 ft. over
dredge) at MLW in an area measuring approximately 1,750 ft. in length by 100 ft. in width for
a total volume of 40,500 cubic yards of material. The proposed template had a 5:1 slope
throughout the dredge footprint. A previous maintenance event of the Finger Canals and
Feeder Channel was conducted under State Permit No. 45-02, which expired on December 31,
2005. The dredging event authorized the removal of 38,164 cubic yards with excavation to a
depth of — 5.2 ft. at MLW, this was the first maintenance event for the feeder system since
Field Investigation Report: Town of Sunset Beach
DCM Major Permit
Page 12

State Permit No. 211-85. A Major Modification was issued on September 10, 2020 for a
nearshore placement seaward of Sunset Beach between 3rd through 13th Streets. A Major
Modification was issued on March 4, 2022 to re -align the primary channel and add a secondary
channel within the Bay Area and to install temporary structures at two offload sites at Seaside
Road adjacent to the AIWW and at the end of Cobia Street. The primary Bay Area channel was
authorized to be 1200 ft. long with a 30 ft. bottom cut extending up to a 55 ft. top cut with a 3:1
channel side slopes. The secondary channel was authorized to be 1000 ft. long with a 20 ft.
bottom cut extending up to a 45 ft. top cut with a 3:1 channel side slopes. Both channels are
proposed to be dredged to the original project depth of -6 ft. at MLW (-5+1). The channels
would connect to South Jinks Creek which has an authorized project depth of -6 ft. at MLW.
A Minor Modification was issued on March 24, 2022 to conduct additional dredging within
South Jinks Creek. According to the proposal, the western shoal had shifted and thus the
current dredging project could no longer connect to existing deep water creating hazardous
navigation and tidally dependent access. The Town of Sunset Beach was authorized to dredge
Zone B to a depth of -3 ft. at MLW. The applicant also added an additional Offload site at the
Majestic Oaks Staging Area (see Tab D).
This application references previously submitted Sediment Analysis Results (Tab F), 2018
Shellfish Survey (Tab C), EFH Assessment (Tab G), a Biological Assessment (Tab H),
Manatee Avoidance Guidelines (Tab I) and NMFS Recommendations (Tab J). The applicant
has also included comments issued per Section 106 of the National Historical Preservation Act
of 1966 (P.L. 89-665) (See Tab K). Most documents were submitted with the previous project
proposal and are being re -submitted for the proposed modification. The applicant has also
included the certified property owner notifications that were sent out to property owners
adjacent to areas of the modified project where the template moves towards private docking
facilities/shorelines in a spreadsheet (Tab M).
The Town of Sunset Beach Land Use Plan classifies the surrounding area of the Canals, Feeder
Channel and Bay Area as Island Residential and Oceanfront Conservation. The waters in the
Bay Area and South Jinks Creek are classified SA; HQW by the Division of Water Resources.
They ARE NOT designated as a Primary Nursery Area by (PNA) the N.C. Division of Marine
Fisheries and the Finger Canals and Feeder Channel portions of the project are CLOSED to the
harvest of shellfish. The Bay Area and South Jinks Creek are OPEN to the harvest of shellfish.
There are no known archaeological resources within the project vicinity.
10. PROJECT DESCRIPTION:
The applicant is proposing to reduce the channel bottom excavation footprint and change the
dredge limit footprint in the Finger Canals, Feeder Channel, Bay Area and Zone B which
would reduce the previously permitted dredge footprint from 11.2 acres to 10.1 acres for the
Town of Sunset Beach Navigation Project. The applicant is also proposing to increase the
dredging depth limits from — 3 ft. to - 6 ft. at MLW at the South Jinks Creek shoal (Zone B)
and an increase the temporary matting area at the approved offloading area.
The dredge footprint of the Bay Area would be modified on both sides of the Primary and
Secondary Channels, the Feeder Channel would have minimal modification and Finger canal A
Field Investigation Report: Town of Sunset Beach
DCM Major Permit
Page 13

would be modified on both the east and west sides of the channel. Zone B would be modified
on the west side of the channel (see Narrative and Sheets C101-102). The 2,350 long Bay
Area Primary Channel would be excavated with a maximum dredge limit width of 64 ft (44 ft.
— 64 ft.), the 1,000 ft. long Bay Area Secondary Channel would be excavated with a maximum
dredge limit width of 44 ft, the 3,500 ft. long Feeder Channel would be excavated with a
maximum dredge limit width of 48 ft (28 ft. — 48 ft.), the 3,200 ft. long Finger Canals would
be excavated with a maximum dredge limit width of 34 ft. (21 ft. — 34 ft.) and the newly
permitted 450 ft. long Zone B area would be excavated with a maximum dredge limit width of
155 ft. (69 ft. — 155 ft.). According to the application, the total proposed area of impact would
be reduced from 11.2 acres to 10.1 acres with proposed excavation of a maximum volume of
52,594 cubic yards of material. According to the applicant, the modified template is a result of
additional shoaling that has occurred and is to address long-term sediment infilling and
residential access needs. The applicant states that updated surveys resulted in a modified
channel bottom alignment and dredge template. An updated marsh grass survey conducted in
June of 2021 showed potential encroachment within the dredge areas of the Bay Area, Feeder
Channel and Finer Canals with the previous dredge limits, the applicant states that no dredging
is proposed within 10 ft. of any coastal wetlands. The removed material would be taken to the
previously approved spoil site located off Georgetown Road. At this time 8,110 cubic yards
have been excavated from the Feeder Channel only.
In addition, the application is proposing to increase the permitted excavation depth in Zone B,
including a South Jinks Creek shoal, to a final depth of -6 ft. (-5 ft. + 1 ft. over dredge) at
MLW from — 3 ft. at MLW to match the authorized excavation depth in the South Jinks Creek
Channel and to provide safe navigation for residents. The requested deeper channel would
result in an additional 0.54 acres of beach compatible material being excavated with a
maximum of 3,000 cubic yards. The Town is requesting that this beach compatible material be
placed at the Old Georgetown Road permitted disposal site (see Narrative).The material would
be taken to the permitted offloading sites located as the end of Seaside Road (see Sheet G-102)
and between Cobia St. and 16th St. on Sunset Beach (Majestic Oaks Staging Area).
Based on previous comments regarding the submitted 2018 Shellfish Survey Report (Tab C),
the applicant stated that a shellfish relocation effort would be conducted based on coordination
efforts with the NC DMF prior to any excavation within the Finger Canals. An Essential Fish
Habitat (EFH) assessment and Biological Assessment (BA) were previously conducted which,
in summary, predicted the project should not adversely impact any threatened or managed
species. effect on the Brunswick County listed species/designated critical habitat.
Note: The applicant is requesting concurrence with the dredge window (to end on April 30th)
under both the USACE and the State Permit issued under LAMA. Currently, State Permit No.
79-19 allows dredging to occur until March 31st and SAW-2019-01155 allows dredging to
occur until April 30th.
Finally, the applicant is proposing a modification to the offload site so that the excavator
working in the Bay Area is not tidally limited during offloading. They are requesting
additional construction matting to be placed 40 ft. waterward of NHW and stacked to allow for
use during all tides. This area is void of coastal wetlands, but is shallow bottom. The applicant
Field Investigation Report: Town of Sunset Beach
DCM Major Permit
Page 14

proposes to place a turbidity curtain at the waterward edge of the proposed matting that will
remain installed until offloading is complete and to install silt fences on the high ground to the
east and west of the offload area.
11. ANTICIPATED IMPACTS:
The proposed project template modifications would result in the total maximum excavation of
approximately 52,594 cubic yards of bottom material within Estuarine Waters and Public Trust
Areas. Approximately 3,000 cubic yards of this would be beach compatible material with a
proposed increase in excavation depth to -6 ft. at MLW within Zone B. The applicant states that
there would be no impact to adjacent coastal wetland areas and a Shellfish relocation efforts
would be conducted as previously required prior to excavation in identified areas.
The proposed modified offload site matting would result in the temporary impact of up to 800
sq. ft. of shallow bottom. No Coastal Wetlands impacts would occur in this area.
Name: Tara MacPherson Date: 09-27-2023 Office: DCM - Wilmington Regional Office
Field Investigation Report: Town of Sunset Beach
DCM Major Permit
Page 15

Permit Application Report
Application ID
Application Type
Submitted
App Complete
Deadline
Decision
Expiration
PA-1102
DCM Major
Modification
07-25-2023
09-21-2023
12-11-2023
Primary Applicant Information
Applicant Type
Title
Business Name
Name
Email
Business Phone
Mobile Phone
Business/Company
Town of Sunset
Beach
Town of
Sunset Beach
[e-mail]
9105796297
9108804701
Physical Address
Mailing Address
Street 1
City
State
Zip
Street 1
City
State
Zip
700 Sunset Blvd.
North
Sunset
Beach
North
Carolina
28468
700 Sunset Blvd. North
Sunset Beach
North
Carolina
28468
Registered Agent Information
Agent Type
Title
Business Name
Name
Email
Business Phone
Mobile
Phone
Business/Company
moffatt and
nichol
moffatt
and nichol
[e-mail]
7324477777
7324477777
Physical Address
Mailing
Address
Street 1
City
State
Zip
Street 1
City
State
Zip
238 Princess Street
Wilmington
North
Carolina
28401
238 Princess Street
Wilmington
North
Carolina
28401
Project Information
Project Name
Project Type
Disturbed Land Area (Scl Ft/Acres)
Town of Sunset Beach Navigation Project;
Public/Government
440100 Sq. Ft. / 10.1 Acres
Maintenance Dredging of South Jinks Creek, the
Bay Area and
Is proposed project located in national registered historic district or national register listed/eligible: False
List of previous state or federal permits for work on project tract: CAMA 79-19 Amended, Issued March 3, 2020 CAMA 79-19
Major Modification, Issued March 4, 2022 SAW-2019-01155, Issued May 6, 2022 DWR #2002-015v4, 401 Water Quality Cert. No.
WQC004284, Issued December 9, 2021
Project Location
Information
Address
County
River Basin
Subdivision
County Parcel ID
Latitude
Longitude
Sunset Beach Finger Canals,
Brunswick
Lumber
33.87332
-78.49927
Feeder Channel, Bay Area
and S Jinks along with 400
Cobia St. Sunset Beach, NC
28468
Project Discharges to State Waters
Surface Sanitary
Industry/Commercial
Vessel
Discharge Type
Runoff Wastewater
I Effluent
Wash Down
Residential
Other
Wastewater/Stormwater Discharged Into Wetland?
Discharge Same Salinity as Receiving Waters
Is There Any Mitigation Proposed
False
False
False
Detailed Description of the Existing Development Located on the Property
Existing Man -Made Features:
Fixed and floating docks, bulkheads, spillway and the canals themselves
Existing Land Uses:
Provide safe recreational navigation access for residential properties to access Jinks Creek.
Existing Wastewater Treatment/Disposal:
Stormwater drains into Finger Canals A-D and Bay Area

Solid Waste/Fish Offal/Trash Disposal:
Use and Daily Operations of the Project When Complete
Proposed Development Purpose:
Provide safe recreational navigation access through the residential waterways on the east end of Sunset Beach. Provides greater
access to the adjacent water bodies for emergency responders.
Buildings/Facilities/Units/Structures:
Use & Daily Operations:
Maintenance dredging of the Bay Area, Finger Canals, and Zone B navigable waters. Extend the current authorized temporary
matting area 40 ft waterward at the previously approved offloading site at the Majestic Oak Staging Site.
Construction Methodology & Equipment:
A mechanical excavator on a barge loading material into a scowl. The material will be off-loaded into dump trucks and transported
to the previously approved material placement site.
Development Activities Narrative Specifics:
Modify the dredge footprint for the Bay Area, Feeder Channel, and Finger Canals. Dredging in Zone B, a shoal located within South
Jinks Creek, down to a depth of -6 ft MLW. Extend the current authorized temporary matting area 40 ft waterward at the previously
approved offloading site at the Majestic Oak Staging and Offloading Area.
Application Narrative:
The Town of Sunset Beach is requesting concurrence of the Division of Coastal
Management (DCM) ending date for the dredge window with the US Army Corps of
Engineers (USACE) ending date of the dredge window. USACE allows for excavation
to occur until April 30 under Permit #SAW-2019-01155 Special Condition #3.
Currently, DCM allows dredging to occur until March 31 under permit number 79-19
Excavation Condition #1. The Town is requesting DCM to allow dredging to
continue until April 30 as allowed by USACE. Please find the complete project
narrative attached as Tab A - Project Narrative.
Boat Ramp Development Activity Included: False
Shoreline Stabilization Development Activity Included: False
Living Shoreline Development Activity Included: False
Piers & Docking Facilities Development Activity Included: False
Excavation Development Activity Included: True
Excavation Details
Amount & Type of Material to be Excavated From Below NHW or NWL
Volume (Cu Yds)
Area (Sq Ft)
Type of Material
"Other" Material Description
52594
440,100.00
Mud/Fines

Will Material Be Excavated From Any Of The Following Areas
Area
Sq. Ft. Affected
Purpose of Fill in This Area
Coastal Wetland/Marsh (CW)
Submerged Aquatic Vegetation (SAV)
Shell Bottom (SB)
Other Non -Coastal Wetlands (WL)
Wetlands Crossed Transporting Equipment to Site
Steps Taken to Avoid/Minimize Environmental Impact
False
Excavation Purposes
Purpose
Length
Width
Avg Existing Depth
Final Project Depth
Access Channel (NWL or
NLW)
2,350.00
64.00
-2.00
-6.00
Access Channel (NWL or
NLW)
1,000.00
44.00
-2.00
-6.00
Access Channel (NWL or
NLW)
3,500.00
48.00
-1.90
-6.00
Canal
3,200.00
34.00
-1.30
-5.00
Access Channel (NWL or
NLW)
450.00
155.00
-3.10
-6.00
Excavation Disposal Area Details
Disposal Area Name
Available for Maintenance
Location of Disposal Area
Do You Claim Title
Material Placement Site
I No
Old Georgetown Road, Brunswick County
No
Is Disposal Area Within Area of Environmental Concern
Disposal Area Length
Disposal Area Width
No
3,300.00
500.00
Does Disposal Area Include Any Of The Following Areas
Area
Sq. Ft. Affected
Purpose of Fill in This Area
Coastal Wetland/Marsh (CW)
Submerged Aquatic Vegetation (SAV)
Shell Bottom (SB)
Other Non -Coastal Wetlands (WL)
Open Water (OW)
How Will Excavated or Fill Material at the Disposal Area be Kept on Site and Erosion Controlled
Bridges & Culverts Development Activity Included: False
Oceanfront Erosion Control Development Activity Included: False
Temporary Structures Development Activity Included: True
Temporary Structures Details
Floating Dock or Other Docking Structure
Other Temporary Structure
Other Temporary Structure (Describe)
False
True
Temporary Timber matting will be installed at the Majestic Oaks
Staging and offloading area which will extend 40ft waterward of
the Normal High Waterline. These timber mats will be removed
at the completion of the project. Please see Tab B- Permit
Drawings, Sheet G-102, Section Al.
Temporary Structures - Docking Facilities Details
Facility Use # of Tie Pilings Existing Slips New Slips

Freestanding Moorings & Buoys Associated With This Temporary Structure
Structures Consistent With Water Use Plan Existing Freestanding Moorings & Buoys Slips New Freestanding Moorings & Buoys Slips
False
Buoy Details:
Temporary Structures - Moorings & Buoys Details
Mooring or Buoy Distance From Shoreline I Arc of Swing Water Depth
Utility Crossings Development Activity Included: False
Freestanding Moorings, Buoys & Bird Nesting Poles Development Activity Included: False
Log Removal/Marine Debris Development Activity Included: Yes/No
Navigational Aids Development Activity Included: False
Other Fill Below Water Level Development Activity Included: False
Stormwater Structures Development Activity Included: False
"Upland Development" Development Activity Included: False
Energy Facilities Development Activity Included: False
Aquaculture Development Activity Included: False

NOTICE OF FILING OF
APPLICATION FOR CAMA MAJOR
DEVELOPMENT PERMIT
The Department of Environmental Quality hereby gives public notice as required by NCGS 113A-
119(b) that the following applications were submitted for a development permit in Areas of Environmental
Concern as designated under the CAMA: On September 19, 2023, Ian Stack & Tonya Eteo proposed to expand
an existing docking facility from two (2) to three (3) slips at 137 Charlotte St., in a canal adj. to the AIWW in
Holden Beach, Brunswick County; And on September 27, 2023, the Town of Sunset Beach proposed to reduce
the channel bottom excavation footprint & change the dredge limit footprint in the Finger Canals, Feeder
Channel, Bay Area & Zone B from 11.2 to 10.1 acres; additional proposal to increase excavation depth from
-aft. to -6ft. at MLW at the South Jinks Creek shoal (Zone B) & increase the temporary matting area at the
approved offloading area located in the above mentioned locations and long 400 Cobia St., Sunset Beach,
Brunswick County. Copies of these applications can be examined or copied at the office of Patrick Amico
(Stack/Eteo) or Tara MacPherson (Town of Sunset Beach) N.C. Dept. of Environmental Quality, Division of
Coastal Management, 127 Cardinal Drive Ext., Wilmington, NC 28405, [phone] (PatrickAmico) or (910)
796-7266 (Tara MacPherson) during normal business hours.
Comments mailed to Braxton C. Davis, Director, Division of Coastal Management, 400 Commerce
Avenue, Morehead City, NC 28557-3421, prior to October 24, 2023 will be considered in making the permit
decision. Later comments will be accepted and considered up to the time of permit decision. Project
modification may occur based on review and comment by the public and state and federal agencies. Notice of
the permit decision in these matters will be provided upon written request.

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VIBRACORE LOGS

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-14
NORTHING: 45818
EASTING: 2153604
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.1 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 6.0 ft.
DEPTH IN SEDS.: 5.9 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/19/16
FINISH DATE: 08/19/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.1
0.0
-2.1
V14OH S01
S01
OH
� ,�
Gray, Silty SAND to Sandy ORGANIC SOIL
.-
5.4 -7.5
5.4
-7.5
V14-
SIP::::
5.9 Gray,poorlygraded SAND -8.0
5.9
-8.0
S02
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -8.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-15
NORTHING: 45665
EASTING: 2153018
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -1.0 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 2.3 ft.
DEPTH IN SEDS.: 7.4 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -1.0
0.0
-1.0
V15-
SP/
Gray, poorly graded SAND with silt
S01
SM
3.3
-4.3
3.3 -4.3
V15S02
02
SP
::
Light gray, poorly graded SAND
5.2
-6.2
-6.2
V155.2
S03
03
SC
Gray, Clayey SAND
7.4 -8.4
7.4
-8.4
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -8.4 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-16
NORTHING: 45535
EASTING: 2152438
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -4.9 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 5.3 ft.
DEPTH IN SEDS.: 5.0 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -4.9
0.0
-4.9
1
i
i,
O
i,
'
Gray, Sandy ORGANIC SOIL
01
S01
OH
,
3.7
-8.6
3.7 -8.6
V16-
SP/
Gray, poorly graded SAND with silt
S02
SM
5.0 -9.9
5
-9.9
BORING TERMINATED AT ELEVATION -9.9 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-16 & VC-18
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-17
NORTHING: 45341
EASTING: 2151866
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -4.6 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 4.8 ft.
DEPTH IN SEDS.: 4.9 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -4.6
0.0
-4.6
1
i
V17-
OL/
i
I
Gray, ORGANIC SOIL
S01
OH
2.9
-7.5
I
I
2.9 -7.5
V17-
S02
SP/
::
Gray, poorly graded SAND with silt
3.6 Y, p Y 9 -8.2
4 0
-8.6
V17-
CL
0 Gray, Sand Lean Clay-8.6
149Gray,
poorly graded SAND with silt
4
S03
SP/
4.9
-9.5
17-SO4
SM
-9.5
BORING TERMINATED AT ELEVATION -9.5 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-18
NORTHING: 45179
EASTING: 2151293
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 3.1 ft.
DEPTH IN SEDS.: 5.6 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.2
0.0
-2.2
-2.2
V18-
S01
SM
11
Gray, Silty SAND
220
-4.2
2.0 -4.2
V1618
V18-
S02
SM
Gray, Silty SAND
4.9
-7.1
" 4.9 -7.1
S03
SP
:�:�:
Light gray, poorly graded SAND
5.6 9 9 Y, P Y 9 -7.8
-7.8
5.6
-7.8
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -7.8 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-16 & VC-18
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-19
NORTHING: 45283
EASTING: 2154070
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 6.9 ft.
DEPTH IN SEDS.: 7.8 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/19/16
FINISH DATE: 08/19/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.2
0.0
-2.2
V19-
OL/
Gray, ORGANIC SOIL
S01
OH
;
6
-8.2
6.0 -8.2
17.8
No Recovery
-10.0
BORING TERMINATED AT ELEVATION -10.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-20
NORTHING: 45052
EASTING: 2153509
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 7.5 ft.
DEPTH IN SEDS.: 7.9 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/19/16
FINISH DATE: 08/19/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
D
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.2
0.0
-2.2
-2.2
V2022
V20-
S01
OL/
OH
;
Gray to dark gray, ORGANIC SOIL
-9.0
6.8 -9.0
6.8
-9.0
17.9
No Recovery
-10.1
BORING TERMINATED AT ELEVATION -10.1 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-20 & VC-22
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-21
NORTHING: 44896
EASTING: 2152926
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -3.5 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 5.4 ft.
DEPTH IN SEDS.: 6.5 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/18/16
FINISH DATE: 08/18/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -3.5
0.0
-3.5
V21-
OL/
Gray to dark gray, ORGANIC SOIL
S01
OH
;
6
-9.5
6.0 -9.5
6.5 No Recover -10.0
BORING TERMINATED AT ELEVATION -10.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-22
NORTHING: 44806
EASTING: 2152329
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -0.4 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 4.4 ft.
DEPTH IN SEDS.: 7.2 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/18/16
FINISH DATE: 08/18/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
D
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -0.4
0.0
-0.4
-0.4
V22-
O
i
Gray, ORGANIC SOIL
v2022
S01
OHH
I ,
6.7
-7.1
-7.6
/'
6.7 -7.1
V22-
Sp
::::
7.2 Gra oorl graded SAND -7.6
7.2
-7.6
S02
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -7.6 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-20 & VC-22
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-23
NORTHING: 44643
EASTING: 2150941
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -4.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 6.5 ft.
DEPTH IN SEDS.: 3.0 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -4.2
0.0
-4.2
-4.2
pH
,'
0.7 Gray, ORGANIC SOIL to Silty SAND 4.9
0.8
-5.0
S01
2324252
V23-
23
Sp
::
Gray, poorly graded SAND
-7.2
:::::
.
30 -7.2
3
-7.2
BORING TERMINATED AT ELEVATION -7.2 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-24
NORTHING: 44686
EASTING: 2151300
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -3.1 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 4.0 ft.
DEPTH IN SEDS.: 5.0 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -3.1
0.0
-3.1
-3.1
O
i
Gray, ORGANIC SOIL
S01
01
OH
,
2324252
'
3.7
-6.8
3.7 -6.8
V24-
S02
SP
Gray, poorly graded SAND
-8.1
::::::
5.0 -8.1
5
-8.1
BORING TERMINATED AT ELEVATION -8.1 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-25
NORTHING: 44775
EASTING: 2151630
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.4 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 3.0 ft.
DEPTH IN SEDS.: 4.6 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.4
0.0
-2.4
-2.4
2324252
VS5-
S01
O
OHH
;,
,
Gray, ORGANIC SOIL
-6.4
, 4.0 -6.4
4
-6.4
4.6 No Recovery -7.0
BORING TERMINATED AT ELEVATION -7.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-26
NORTHING: 44867
EASTING: 2151961
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.4 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 3.0 ft.
DEPTH IN SEDS.: 4.7 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.4
0.0
-2.4
-2.4
V26-
OL/
i
Gray, ORGANIC SOIL
S01
OH
2.6
-5.0
2324252
2.6 -5.0
V
S02
SP
Gray, poorly graded SAND
-7.1
....
4.7 -7.1
4.7
-7.1
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -7.1 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

Boring Designation SJ-02
DRILLING LOG
CLIENT
PROJECT OWNER
SHEET 1
Moffatt & Nichol
Town Of Sunset Beach, North Carolina
OF 1 SHEETS
1. PROJECT
9. SIZE AND TYPE OF BIT 3.0 In.
Town of Sunset Beach Navigation Project
10. COORDINATE SYSTEM/DATUM :HORIZONTAL VERTICAL
South Jinks Creek, Brunswick County, North Carolina
NC State Plane : NAD 1983 MLW
2. BORING DESIGNATION' LOCATION COORDINATES
11. MANUFACTURER'S DESIGNATION OF DRILL AUTO HAMMER
SJ-02 X = 2,154,275 Y = 45,987
0 MANUAL HAMMER
3. DRILLING AGENCY CONTRACTOR FILE NO.
DISTURBED UNDISTURBED (UD)
Athena Technologies, Inc.
12. TOTAL SAMPLES
1 4
4. NAME OF DRILLER
13. TOTAL NUMBER CORE BOXES
P. McClellan
14. WATER DEPTH 3.5 Ft.
5. DIRECTION OF BORING i DEG. FROM i BEARING
'STARTED 'COMPLETED
® VERTICAL 'VERTICAL '
OINCLINED
15. DATE BORING
; 01-03-19 08:27 01-03-19
6. THICKNESS OF OVERBURDEN 0.0 Ft.
16. ELEVATION TOP OF BORING 0.2 Ft.
7. DEPTH DRILLED INTO ROCK 0.0 Ft.
17. TOTAL RECOVERY FOR BORING 9.5 Ft.
18. SIGNATURE AND TITLE OF INSPECTOR
8. TOTAL DEPTH OF BORING 10.0 Ft.
A. Freeze
a
Q: W
J
Od
ELEV.
SCALE
w
CLASSIFICATION OF MATERIALS
%
REMARKS
(ft)
(ft)
W
Depths and elevations based on measured values
REC.
CQ
0.2
0.0
J
mN
Sample #S-1, Depth = 0.0'- 2.5'
Mean (mm): 0.16, Phi Sorting: 0.47
U)
Fines (#200) - 2.58 (SP)
Poorly graded SAND; mostly fine quartz
sand, trace inorganic silt in occasional layers
and laminations, trace fine sand -sized shell
in matrix, loose, subangular, olive gray
(5Y-5/2), (SP).
Sample #S-2, Depth = 3.0' - 5.0'
N
Mean (mm): 0.15, Phi Sorting: 0.35
Fines (#200) - 2.04 (SP)
-5.2
5.4
Sample #S-3, Depth = 5.4' - 6.2'
Poorly graded SAND with silt; mostly fine
quartz sand, few inorganic silt in matrix,
M
Mean (mm): 0.15, Phi Sorting: 0.49
burrows, layers and laminations, trace fine
Fines (#200) - 5.82 (SP-SM)
sand -sized shell in matrix, coarse
gravel -sized wood fragment at 7.3, loose,
Sample #C-1, Depth = 0.0'- 6.2'
subangular, bioturbated, dark gray (5Y-4/1),
Carbonate: 5.9%
-7.2
7.4
SP-SM .
U
Poorly graded SAND; mostly fine to medium
quartz sand, trace inorganic silt in occasional
burrows, trace fine sand -sized shell in matrix,
coarse gravel -sized shell at 8.4', loose,
subangular, gray (5Y-6/1), (SP).
-9.3
9.5
End of Boring
-5
am
-15
SAJ FORM 1836 MODIFIED FOR THE FLORIDA DEP
JUN 02 JUN 04
A3-2

LL
U,
0
0
a
w
0
0
O
DRILLING LOG CLIENT
Moffatt & Nichol
1. PROJECT
Town of Sunset Beach Navigation Project
South Jinks Creek, Brunswick County, North Carolina
2. BORING DESIGNATION' LOCATION COORDINATES
SJ-03 X = 2,154,213 Y = 45,751
3. DRILLING AGENCY CONTRACTOR FILE NO.
i
Athena Technologies, Inc.
4. NAME OF DRILLER
P. McClellan
5. DIRECTION OF BORING i DEG. FROM i BEARING
® VERTICAL ' VERTICAL '
0 INCLINED
6. THICKNESS OF OVERBURDEN 0.0 Ft.
7. DEPTH DRILLED INTO ROCK 0.0 Ft.
8. TOTAL DEPTH OF BORING 10.0 Ft.
G
ELEV. SCALE w CLASSIFICATION OF MATERIALS
(ft) (ft) W Depths and elevations based on measured value
0.3 0.0
Poorly graded SAND; mostly fine quartz
sand, trace inorganic silt in occasional
laminations, trace fine sand -sized shell in
matrix, loose, subangular, color changes to
olive gray (5Y 5/2) from, gray (5Y-6/1), (SP).
-6.6 6.9
Poorly graded SAND; mostly fine to medium
quartz sand, trace fine to coarse sand -sized
shell in matrix, trace inorganic silt in
occasional burrows, loose, subangular, light
gray (5Y-7/1), (SP).
End of Boring
DUllllly. UUZfl lldLIUll JJ-UO
PROJECT OWNER SHEET 1
Town Of Sunset Beach, North Carolina OF 1 SHEETS
9. SIZE AND TYPE OF BIT 3.0 In.
10. COORDINATE SYSTEM/DATUM :HORIZONTAL VERTICAL
NC State Plane : NAD 1983 MLW
11. MANUFACTURER'S DESIGNATION OF DRILL AUTO HAMMER
0 MANUAL HAMMER
' DISTURBED ' UNDISTURBED (UD)
12. TOTAL SAMPLES
4
13. TOTAL NUMBER CORE BOXES
14. WATER DEPTH 3.7 Ft.
'STARTED 'COMPLETED
15. DATE BORING
1 01-03-19 08:12 01-03-19
16. ELEVATION TOP OF BORING 0.3 Ft.
17. TOTAL RECOVERY FOR BORING 9.7 Ft.
18. SIGNATURE AND TITLE OF INSPECTOR
A. Freeze
0-1
% d REMARKS
s REC. OQ
COY
-1, Depth = 0.0' - 15Sample #S
In Mean (mm): 0.18, Phi Sorting: 0.40
Fines (#200) - 0.81 (SP)
N I Sample #S-2, Depth = 2.0' - 4.5'
In Mean (mm): 0.16, Phi Sorting: 0.41
Fines (#200) - 3.18 (SP)
M Sample #S-3, Depth = 5.0' - 6.3
cn Mean (mm): 0.18, Phi Sorting: 0.54
Fines (#200) - 1.57 (SP)
C) ISample #C-1, Depth = 0.0'- 6.3
Carbonate:4.5%
7
IN
LLI
SAJ FORM 1836 MODIFIED FOR THE FLORIDA DEP
JUN 02 JUN 04
A3-3
15

DRILLING LOG CLIENT
Moffatt & Nichol
1. PROJECT
Town of Sunset Beach Navigation Project
South Jinks Creek, Brunswick County, North Carolina
2. BORING DESIGNATION' LOCATION COORDINATES
SJ-04 X = 2,154,296 Y = 45,507
3. DRILLING AGENCY CONTRACTOR FILE NO.
i
Athena Technologies, Inc.
4. NAME OF DRILLER
P. McClellan
5. DIRECTION OF BORING i DEG. FROM i BEARING
® VERTICAL ' VERTICAL '
0 INCLINED
6. THICKNESS OF OVERBURDEN 0.0 Ft.
7. DEPTH DRILLED INTO ROCK 0.0 Ft.
8. TOTAL DEPTH OF BORING 10.5 Ft.
G
ELEV. SCALE w CLASSIFICATION OF MATERIALS
(ft) (ft) W Depths and elevations based on measured value!
1.1 0.0
Poorly graded SAND; mostly fine quartz
sand, trace inorganic silt in layers and
laminations, trace fine to medium sand -sized
shell in matrix, loose, subangular, gray
(5Y-5/1), (SP).
LL
Fat inorganic CLAY; mostly inorganic clay,
soft, moderate to high plasticity, very dark
gray (5Y-3/1), (CH).
End of Boring
U,
0
0
a
w
0
0
O
DUlilly. UUZfl lldLlUII JJ-U'F
PROJECT OWNER
SHEET 1
Town Of Sunset Beach, North Carolina
OF 1 SHEETS
9. SIZE AND TYPE OF BIT 3.0 In.
10. COORDINATE SYSTEM/DATUM :HORIZONTAL VERTICAL
NC State Plane : NAD 1983 MLW
11. MANUFACTURER'S DESIGNATION OF DRILL
0 AUTO HAMMER
0 MANUAL HAMMER
' DISTURBED
' UNDISTURBED (UD)
12. TOTAL SAMPLES
4
13. TOTAL NUMBER CORE BOXES
14. WATER DEPTH 3.5 Ft.
'STARTED 'COMPLETED
15. DATE BORING
01-03-19 07:21 01-03-19
16. ELEVATION TOP OF BORING 1.1 Ft.
17. TOTAL RECOVERY FOR BORING 10 Ft.
18. SIGNATURE AND TITLE OF INSPECTOR
A. Freeze
O-1
REC. I CQ REMARKS
COY
Sample #S-1, Depth = 0.0'- 2.5'
Mean (mm): 0.17, Phi Sorting: 0.44
Fines (#200) - 1.81 (SP)
Sample #S-2, Depth = 3.0' - 5.0'
N Mean (mm): 0.17, Phi Sorting: 0.43
U) Fines (#200) - 2.25 (SP)
(? I Sample #S-3, Depth = 5.0' - 7.1'
U) Mean (mm): 0.17, Phi Sorting: 0.36
Fines (#200) - 1.25 (SP)
ci ISample #C-1, Depth = 0.0'- 7.1'
Carbonate: 4.8%
7
IN
LLI
SAJ FORM 1836 MODIFIED FOR THE FLORIDA DEP
JUN 02 JUN 04
A3-4
15

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Terracon
Project:
Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-02
S-1
Depth: 0/2.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5Y 6/2
Tare Weight, (g
Dry Weight After Washing (g):
49.62
177.62 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.01
99.99
100
0.01
#14
1.400
0.04
99.96
100
0.04
#18
1.000
0.09
99.89
100
0.09
#25
0.710
0.21
99.73
95
0.20
#35
0.500
0.55
99.30
40
0.22
#45
0.355
1.75
97.93
30
0.53
#60
0.250
9.13
90.80
10
0.91
#80
0.180
23.54
72.41
1
0.24
#120
0.125
69.17
18.37
0
0.00
#170
0.090
18.99
3.53
0
0.00
#200
0.075
1.22
2.58
0
0.00
#230
0.063
0.221
2.411
0
0.00
Total Shell Content: 1 2 1
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Project No.:
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Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-02
S-2
Depth: 3/5
Date: 1 /18/2019
SAND, poorly -graded, mostly fine-grained quartz, trace silt, trace medium to
fine sand -sized shell fragments (SP) 5Y 5/2
Tare Weight, (g
Dry Weight After Washing (g):
49.83
179.54 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
# 10
2.000
0.00
100.00
0
0.00
#14
1.400
0.00
100.00
0
0.00
#18
1.000
0.03
99.98
100
0.03
#25
0.710
0.04
99.95
100
0.04
#35
0.500
0.08
99.88
95
0.08
#45
0.355
0.21
99.72
50
0.11
#60
0.250
1.83
98.31
15
0.27
#80
0.180
18.22
84.26
1
0.18
#120
0.125
79.75
22.78
0
0.00
#170
0.090
25.34
3.25
0
0.00
#200
0.075
1.57
2.04
0
0.00
#230
0.063
0.191
1.891
0
0.00
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9655 Florida Mininq Boulevard West
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[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ181220
SJ-02
S-3
Depth: 5.4/6.2
Date: 1 /18/2019
SAND, poorly -graded with silt, mostly medium to fine-grained quartz, few
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Tare Weight, (g
Dry Weight After Washing (g):
52.03
153.18 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.03
99.97
50
0.02
#14
1.400
0.02
99.95
50
0.01
#18
1.000
0.12
99.83
50
0.06
#25
0.710
0.20
99.63
30
0.06
#35
0.500
0.53
99.11
20
0.11
#45
0.355
1.17
97.95
15
0.18
#60
0.250
3.53
94.46
5
0.18
#80
0.180
13.62
81.00
1
0.14
#120
0.125
49.62
31.94
0
0.00
#170
0.090
24.17
8.05
0
0.00
#200
0.075
2.25
5.82
01
0.00
#230
0.063
0.441
5.391
0
0.00
Total Shell Content: 1 1 1
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Project:
Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-03
S-1
Depth: 0/1.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 10Y 6/1
Tare Weight, (g
Dry Weight After Washing (g):
49.52
154.46 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.01
99.99
100
0.01
#14
1.400
0.02
99.97
100
0.02
#18
1.000
0.02
99.95
100
0.02
#25
0.710
0.12
99.84
95
0.11
#35
0.500
0.31
99.54
75
0.23
#45
0.355
0.98
98.61
50
0.49
#60
0.250
7.22
91.73
10
0.72
#80
0.180
35.89
57.53
1
0.36
#120
0.125
53.46
6.58
0
0.00
#170
0.090
5.84
1.02
0
0.00
#200
0.075
0.22
0.81
0
0.00
#230
0.063
0.031
0.781
0
0.00
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Terracon
Project:
Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-03
S-2
Depth: 2/4.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5GY 5/2
Tare Weight, (g
Dry Weight After Washing (g):
51.42
150.46 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.01
99.99
100
0.01
#14
1.400
0.04
99.95
60
0.02
#18
1.000
0.07
99.88
20
0.01
#25
0.710
0.09
99.79
60
0.05
#35
0.500
0.16
99.63
80
0.13
#45
0.355
0.50
99.12
70
0.35
#60
0.250
4.65
94.43
15
0.70
#80
0.180
26.75
67.42
1
0.27
#120
0.125
53.34
13.56
0
0.00
#170
0.090
9.68
3.79
0
0.00
#200
0.075
0.60
3.18
0
0.00
#230
0.063
0.101
3.081
0
0.00
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Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-03
S-3
Depth: 5/6.3
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5GY 5/2
Tare Weight, (g
Dry Weight After Washing (g):
50.48
167.63 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.02
99.98
100
0.02
#14
1.400
0.13
99.87
100
0.13
#18
1.000
0.09
99.80
100
0.09
#25
0.710
0.47
99.39
60
0.28
#35
0.500
1.35
98.24
25
0.34
#45
0.355
3.75
95.04
10
0.38
#60
0.250
11.28
85.41
1
0.11
#80
0.180
26.89
62.46
0
0.00
#120
0.125
60.10
11.16
0
0.00
#170
0.090
10.79
1.95
0
0.00
#200
0.075
0.44
1.57
0
0.00
#230
0.063
0.041
1.541
0
0.00
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Project:
Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-04
S-1
Depth: 0/2.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 10Y 6/1
Tare Weight, (g
Dry Weight After Washing (g):
52.19
159.83 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
# 10
2.000
0.00
100.00
0
0.00
#14
1.400
0.04
99.96
10
0.00
#18
1.000
0.10
99.87
95
0.10
#25
0.710
0.26
99.63
50
0.13
#35
0.500
0.43
99.23
35
0.15
#45
0.355
1.03
98.27
25
0.26
#60
0.250
7.97
90.87
5
0.40
#80
0.180
32.84
60.36
1
0.33
#120
0.125
54.19
10.01
0
0.00
#170
0.090
8.36
2.25
0
0.00
#200
0.075
0.47
1.81
0
0.00
#230
0.063
0.081
1.741
0
0.00
Total Shell Content: 1 1 1
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Project:
Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-04
S-2
Depth: 3/5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5Y 5/2
Tare Weight, (g
Dry Weight After Washing (g):
51.60
166.72 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.02
99.98
0
0.00
#14
1.400
0.05
99.94
10
0.01
#18
1.000
0.05
99.90
20
0.01
#25
0.710
0.12
99.79
50
0.06
#35
0.500
0.27
99.56
50
0.14
#45
0.355
0.70
98.95
50
0.35
#60
0.250
7.09
92.79
10
0.71
#80
0.180
38.18
59.62
1
0.38
#120
0.125
54.50
12.28
0
0.00
#170
0.090
9.88
3.70
0
0.00
#200
0.075
1.67
2.25
0
0.00
#230
0.063
0.111
2.151
0
0.00
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Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mininq Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-04
S-3
Depth: 5/7.1
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5GY 5/2
Tare Weight, (g
Dry Weight After Washing (g):
52.09
184.60 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
Passing
Approx.
Visual Shell%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
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#7
2.800
0.00
100.00
0
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# 10
2.000
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100.00
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1.400
0.02
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1.000
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99.98
100
0.01
#25
0.710
0.06
99.93
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0.05
#35
0.500
0.12
99.84
80
0.10
#45
0.355
0.42
99.52
80
0.34
#60
0.250
4.77
95.92
30
1.43
#80
0.180
43.21
63.32
1
0.43
#120
0.125
71.80
9.13
0
0.00
#170
0.090
9.96
1.61
0
0.00
#200
0.075
0.48
1.25
0
0.00
#230
0.063
0.051
1.221
0
0.00
Total Shell Content: 1 2 1
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VIBRACORE PHOTOGRAPHS

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 13 of 19
VC-13-3
i��j�rjil���q�f�i�ir�i�u����q��i�ji�u�r�ii��pii�i1�i�i�irp�ii�i�ti�r,N�i�4i��tn�r�iili�ii{i�uyiliiyi�n4i�E�,��;;j�illyiilitlil►Illl_tilrtiti►tititti�ti�
•� ... r_� m [ff -1 m [O r r N W .O, En Gl f +] . m CO N N uj .A Ln Ol -] tC! i_ tom,] N, id a. to c
Top Elevation: -3.1 MLW
Sample Length: 3.4 ft
Bottom Elevation: -6.5 MLW
Top Elevation: -2.1 MLW Bottom Elevation: -8.0 MLW
Sample Length: 5.9 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 14 of 19
Top Elevation: -4.9 MLW Bottom Elevation: -9.9 MLW
Sample Length: 5.0 ft
Top Elevation: -4.6 MLW Bottom Elevation: -9.5 MLW
Sample Length: 4.9 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs
Sample VC-18
Page 15 of 19
Top Elevation: -2.2 MLW Bottom Elevation: -7.8 MLW
Sample Length: 5.6 ft
Top Elevation: -2.2 MLW Bottom Elevation: -8.2 MLW
Sample Length: 6.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs
Sample VC-20
Page 16 of 19
Top Elevation: -2.2 MLW Bottom Elevation: -9.0 MLW
Sample Length: 6.8 ft
Sample VC-21
Top Elevation: -3.5 MLW Bottom Elevation: -9.5 MLW
Sample Length: 6.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 17 of 19
Top Elevation: -0.4 MLW Bottom Elevation: -7.6 MLW
Sample Length: 7.2 ft
Top Elevation: -4.2 MLW Bottom Elevation: -7.2 MLW
Sample Length: 3.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 18 of 19
Top Elevation: -3.1 MLW Bottom Elevation: -8.1 MLW
Sample Length: 5.0 ft
Sample VC-25
Top Elevation: -2.4 MLW Bottom Elevation: -6.4 MLW
Sample Length: 4.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs
Sample VC-26
Page 19 of 19
Top Elevation: -2.4 MLW Bottom Elevation: -7.1 MLW
Sample Length: 4.7 ft

AS-2
0■n 5nr
1
2
3
n
5
�e
7 M M SJ-02
Moffatt & Nichol
Town of Sunset Beach
Navigation Project
South Jinks Creek
Brunswick County,
North Carolina
8 Top Elev. (ft MLW): 0.2
Bottom Elev. (ft MLW): -9.3
Notes:
Photo Mosaic Image
Photo Scale in Feet
9
ASH E IyA
TECHNOLOGIES, INC.
Athena Technologies, Inc.
1293 Graham Farm Road
McClellanville, SC 29458
www.athenatechnologies.com
1 0 [phone]

IC
A5-3
1
2
3
n
�I
�e
a
10
SJ -03
Moffatt & Nichol
Town of Sunset Beach
Navigation Project
South Jinks Creek
Brunswick County,
North Carolina
Top Elev. (ft MLW): 0.3
Bottom Elev. (ft MLW): -9.4
Notes:
Photo Mosaic Image
Photo Scale in Feet
<�a>
ASH E IyA
TECHNOLOGIES, INC.
Athena Technologies, Inc.
1293 Graham Farm Road
McClellanville, SC 29458
www.athenatechnologies.com
[phone]

1
2
3
n
�e
a
10
-- _a
A5-4
SJ -04
Moffatt & Nichol
Town of Sunset Beach
Navigation Project
South Jinks Creek
Brunswick County,
North Carolina
Top Elev. (ft MLW): 1.1
Bottom Elev. (ft MLW): -8.9
Notes:
Photo Mosaic Image
Photo Scale in Feet
<�a>
A7H E IyA
TECHNOLOGIES, INC.
Athena Technologies, Inc.
1293 Graham Farm Road
McClellanville, SC 29458
www.athenatechnologies.com
[phone]

CALCITE COMPOSITE

Irerracon
Consulting Engineers & Scientists;
Project Name:
Project Number:
Date:
Carbonate Content Data
M&N Sunset Beach
EQ191008
1 /29/2019
I Boring No. I Sample No.l Depth Range, I Tare No. I Beaker No. I Dry Sample Wt. I Percent I
Feet Before After Carbonate
SJ-03
C-1
0-6.3
228
3
79.86
76.30
4.5
SJ-04
C-1
0-7.1
441
4
77.54
73.84
4.8
SJ-05 C-1 1 0-3.7 1 198 1 5 1 87.16 1 83.60 1 4.1
SJ-06 C-1 1 0-6.5 1 66 1 6 1 84.43 1 80.74 1 4.4
Tested By: CRM Sr.
Reviewed By: TES

CHEMICAL ANALYSIS

SG-91-
ACCUTEST
Southeast
Sample Results
Report of Analysis
Section 4
�r±��++
9 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8270D BY SIM SW846 3546 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 W094790.1) 1 09/07/16 MG 09/06/16 OP61755 SW4248
Run #2
Initial Weight Final Volume
Run#1 15.3g 1.0ml
Run #2
BN PAH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
0.14
0.055
mg/kg
208-96-8
Acenaphthylene
ND
0.14
0.055
mg/kg
120-12-7
Anthracene
ND
0.14
0.034
mg/kg
56-55-3
Benzo(a)anthracene
ND
0.027
0.0068
mg/kg
50-32-8
Benzo(a)pyrene
ND
0.027
0.0068
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
0.027
0.0068
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
0.027
0.0068
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
0.027
0.0068
mg/kg
218-01-9
Chrysene
ND
0.027
0.0068
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
0.027
0.0068
mg/kg
206-44-0
Fluoranthene
ND
0.14
0.034
mg/kg
86-73-7
Fluorene
ND
0.14
0.055
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
0.027
0.0068
mg/kg
90-12-0
1-Methylnaphthalene
ND
0.14
0.055
mg/kg
91-57-6
2-Methylnaphthalene
ND
0.14
0.055
mg/kg
91-20-3
Naphthalene
ND
0.14
0.055
mg/kg
85-01-8
Phenanthrene
ND
0.14
0.034
mg/kg
129-00-0
Pyrene
ND
0.14
0.034
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
4165-60-0
Nitrobenzene-d5
84%
40-105%
321-60-8
2-Fluorobiphenyl
83%
43-107%
1718-51-0
Terphenyl-d14
73%
45-119%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
16 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP VPH REV 1.1 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 UU017068.D 1 09/O1/16 CG n/a n/a GUU879
Run #2
Initial Weight Final Volume Methanol Aliquot
Run #1 5.86 g 5.1 ml 100 ul
Run #2
MADEP VPH List
CAS No.
Compound
Result
RL
MDL
Units Q
71-43-2
Benzene
ND
0.15
0.15
mg/kg
100-41-4
Ethylbenzene
ND
0.29
0.15
mg/kg
1634-04-4
Methyl Tert Butyl Ether
ND
0.29
0.15
mg/kg
91-20-3
Naphthalene
ND
0.73
0.44
mg/kg
108-88-3
Toluene
ND
0.29
0.15
mg/kg
m,p-Xylene
ND
0.58
0.29
mg/kg
95-47-6
o-Xylene
ND
0.29
0.15
mg/kg
C5- C8 Aliphatics (Unadj.)
ND
15
5.1
mg/kg
C9- C12 Aliphatics (Unadj.)
ND
15
5.1
mg/kg
C9- C10 Aromatics (Unadj.)
ND
15
5.1
mg/kg
C5- C8 Aliphatics
ND
15
5.1
mg/kg
C9- C12 Aliphatics
ND
15
5.1
mg/kg
C9- CIO Aromatics
ND
15
5.1
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
460-00-4
BFB
155% a
70-130%
460-00-4
BFB
159% a
70-130%
(a) Outside
control limits due to moisture content.
ND = Not detected MDL = Method Detection Limit
RL = Reporting Limit
E = Indicates value exceeds calibration range
J = Indicates an estimated value
B = Indicates analyte found in associated method blank
N = Indicates presumptive evidence of a compound
17 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP EPH REV 1.1 SW846 3546 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 NN01601I.D 1 09/08/16 FS 09/06/16 OP61759 GNN794
Run #2
Initial Weight Final Volume
Run #1 3.3 g 2.0 ml
Run #2
MAEPH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
2.5
1.3
mg/kg
208-96-8
Acenaphthylene
ND
2.5
1.3
mg/kg
120-12-7
Anthracene
ND
2.5
1.3
mg/kg
56-55-3
Benzo(a)anthracene
ND
2.5
1.3
mg/kg
50-32-8
Benzo(a)pyrene
ND
2.5
1.3
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
2.5
1.3
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
2.5
1.3
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
2.5
1.3
mg/kg
218-01-9
Chrysene
ND
2.5
1.3
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
2.5
1.3
mg/kg
206-44-0
Fluoranthene
ND
2.5
1.3
mg/kg
86-73-7
Fluorene
ND
2.5
1.3
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
2.5
1.3
mg/kg
91-57-6
2-Methylnaphthalene
ND
2.5
1.3
mg/kg
91-20-3
Naphthalene
ND
2.5
1.3
mg/kg
85-01-8
Phenanthrene
ND
2.5
1.3
mg/kg
129-00-0
Pyrene
ND
2.5
1.3
mg/kg
C11-C22 Aromatics (Unadj.)
ND
130
95
mg/kg
C11-C22 Aromatics
ND
130
95
mg/kg
C9-C18 Aliphatics
ND
130
63
mg/kg
C 19-C36 Aliphatics
ND
130
63
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
3386-33-2
1-Chlorooctadecane
78%
40-140%
580-13-2
2-Bromonaphthalene
94%
40-140%
84-15-1
o-Terphenyl
71%
40-140%
321-60-8
2-Fluorobiphenyl
81%
40-140%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
18 of 77
SGS AccklTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8081B SW846 3546 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID
DF
Analyzed
By
Prep Date
Prep Batch
Analytical Batch
Run # 1 KK78609.D
1
09/ 14/ 16
NG
09/09/ 16
OP61809
GKK2537
Run #2a KK78589.D
10
09/14/16
NG
09/09/16
OP61809
GKK2537
Initial Weight Final Volume
Run #1 4.00 g 5.0 ml
Run #2 4.00 g 5.0 ml
Pesticide PPL List
CAS No.
Compound
Result
309-00-2
Aldrin
ND
319-84-6
alpha-BHC b
ND
319-85-7
beta-BHC b
ND
319-86-8
delta-BHC
ND
58-89-9
gamma-BHC (Lindane) b
ND
12789-03-6
Chlordane
ND
60-57-1
Dieldrin
ND
72-54-8
4,4' -DDD b
ND
72-55-9
4,4' -DDE
ND
50-29-3
4,4' -DDT
ND
72-20-8
Endrin
ND
1031-07-8
Endosulfan sulfate
ND
7421-93-4
Endrin aldehyde
ND
959-98-8
Endosulfan-I
ND
33213-65-9
Endosulfan-II
ND
76-44-8
Heptachlor
ND
1024-57-3
Heptachlor epoxide
ND
72-43-5
Methoxychlor
ND °
8001-35-2
Toxaphene
ND
CAS No.
Surrogate Recoveries
Run# 1
877-09-8
Tetrachloro-m-xylene
101%
2051-24-3
Decachlorobiphenyl
92%
(a) Dilution required due to matrix interference.
(b) Associated CCV outside control limits.
(c) Result is
from Run# 2
RL
MDL
Units Q
0.013
0.0040
mg/kg
0.013
0.0040
mg/kg
0.013
0.0040
mg/kg
0.013
0.0038
mg/kg
0.013
0.0040
mg/kg
0.13
0.052
mg/kg
0.013
0.0049
mg/kg
0.026
0.0045
mg/kg
0.026
0.0042
mg/kg
0.26
0.051
mg/kg
0.026
0.0049
mg/kg
0.026
0.0049
mg/kg
0.026
0.0049
mg/kg
0.013
0.0038
mg/kg
0.013
0.0048
mg/kg
0.013
0.0044
mg/kg
0.013
0.0046
mg/kg
0.26
0.067
mg/kg
0.65
0.26
mg/kg
Run# 2 Limits
105% 50-122%
106% 50-133%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
19 of 77
SGS AccklTEST
FA36573

SGS Accutest
Report of Analysis Page 1 of 1
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Metals Analysis
Analyte
Result
RL
Units
DF
Prep
Analyzed
By
Method
Prep Method
Antimony
< 1.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Arsenic
6.2
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Beryllium
< 0.44
0.44
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Cadmium
< 0.35
0.35
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Chromium
24.3
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Copper
7.5
2.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Lead
7.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Mercury
< 0.079
0.079
mg/kg
1
09/08/ 16
09/08/ 16
.it,
SW846 7471B 2
SW846 7471B 4
Nickel
4.6
3.5
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Selenium
< 1.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Silver
< 0.88
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Thallium
< 0.88
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Zinc
23.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
(1) Instrument QC Batch: MA13390
(2) Instrument QC Batch: MA13391
(3) Prep QC Batch: MP30803
(4) Prep QC Batch: MP30806
RL = Reporting Limit
20 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
General Chemistry
Analyte
Result
RL Units
DF
Analyzed
By Method
HEM Oil and Grease
< 960
960 mg/kg
1
09/ 10/ 16 15:00
xc Sw846 9071E
Solids, Percent
47.9
%
1
09/01/16 12:15
.it, SM192540G
Total Organic Carbon
65500
2100 mg/kg
1
09/ 12/ 16 13:38
FN Sw846 9060A M
RL = Reporting Limit
�±�*
21 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8270D BY SIM SW846 3546 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 W09479LD 1 09/07/16 MG 09/06/16 OP61755 SW4248
Run #2
Initial Weight Final Volume
Run#1 15.5g 1.0ml
Run #2
BN PAH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
0.18
0.072
mg/kg
208-96-8
Acenaphthylene
ND
0.18
0.072
mg/kg
120-12-7
Anthracene
ND
0.18
0.045
mg/kg
56-55-3
Benzo(a)anthracene
ND
0.036
0.0090
mg/kg
50-32-8
Benzo(a)pyrene
ND
0.036
0.0090
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
0.036
0.0090
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
0.036
0.0090
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
0.036
0.0090
mg/kg
218-01-9
Chrysene
ND
0.036
0.0090
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
0.036
0.0090
mg/kg
206-44-0
Fluoranthene
ND
0.18
0.045
mg/kg
86-73-7
Fluorene
ND
0.18
0.072
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
0.036
0.0090
mg/kg
90-12-0
1-Methylnaphthalene
ND
0.18
0.072
mg/kg
91-57-6
2-Methylnaphthalene
ND
0.18
0.072
mg/kg
91-20-3
Naphthalene
ND
0.18
0.072
mg/kg
85-01-8
Phenanthrene
ND
0.18
0.045
mg/kg
129-00-0
Pyrene
ND
0.18
0.045
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
4165-60-0
Nitrobenzene-d5
96%
40-105%
321-60-8
2-Fluorobiphenyl
90%
43-107%
1718-51-0
Terphenyl-d14
89%
45-119%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
22 of 77
a7G ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP VPH REV 1.1 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 UU017069.D 1 09/O1/16 CG n/a n/a GUU879
Run #2
Initial Weight Final Volume Methanol Aliquot
Run #1 4.74 g 5.1 ml 100 ul
Run #2
MADEP VPH List
CAS No.
Compound
Result
RL
MDL
Units Q
71-43-2
Benzene
ND
0.24
0.24
mg/kg
100-41-4
Ethylbenzene
ND
0.48
0.24
mg/kg
1634-04-4
Methyl Tert Butyl Ether
ND
0.48
0.24
mg/kg
91-20-3
Naphthalene
ND
1.2
0.72
mg/kg
108-88-3
Toluene
ND
0.48
0.24
mg/kg
m,p-Xylene
ND
0.96
0.48
mg/kg
95-47-6
o-Xylene
ND
0.48
0.24
mg/kg
C5- C8 Aliphatics (Unadj.)
ND
24
8.4
mg/kg
C9- C12 Aliphatics (Unadj.)
ND
24
8.4
mg/kg
C9- C10 Aromatics (Unadj.)
ND
24
8.4
mg/kg
C5- C8 Aliphatics
ND
24
8.4
mg/kg
C9- C12 Aliphatics
ND
24
8.4
mg/kg
C9- CIO Aromatics
ND
24
8.4
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
460-00-4
BFB
105%
70-130%
460-00-4
BFB
108%
70-130%
ND = Not detected MDL = Method Detection Limit
RL = Reporting Limit
E = Indicates value exceeds calibration range
J = Indicates an estimated value
B = Indicates analyte found in associated method blank
N = Indicates presumptive evidence of a compound
23 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP EPH REV 1.1 SW846 3546 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 NN016012.1) 1 09/08/16 FS 09/06/16 OP61759 GNN794
Run #2
Initial Weight Final Volume
Run # 1 3.5 g 2.0 ml
Run #2
MAEPH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
3.2
1.6
mg/kg
208-96-8
Acenaphthylene
ND
3.2
1.6
mg/kg
120-12-7
Anthracene
ND
3.2
1.6
mg/kg
56-55-3
Benzo(a)anthracene
ND
3.2
1.6
mg/kg
50-32-8
Benzo(a)pyrene
ND
3.2
1.6
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
3.2
1.6
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
3.2
1.6
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
3.2
1.6
mg/kg
218-01-9
Chrysene
ND
3.2
1.6
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
3.2
1.6
mg/kg
206-44-0
Fluoranthene
ND
3.2
1.6
mg/kg
86-73-7
Fluorene
ND
3.2
1.6
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
3.2
1.6
mg/kg
91-57-6
2-Methylnaphthalene
ND
3.2
1.6
mg/kg
91-20-3
Naphthalene
ND
3.2
1.6
mg/kg
85-01-8
Phenanthrene
ND
3.2
1.6
mg/kg
129-00-0
Pyrene
ND
3.2
1.6
mg/kg
C11-C22 Aromatics (Unadj.)
ND
160
120
mg/kg
C11-C22 Aromatics
ND
160
120
mg/kg
C9-C18 Aliphatics
ND
160
80
mg/kg
C 19-C36 Aliphatics
ND
160
80
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
3386-33-2
1-Chlorooctadecane
63%
40-140%
580-13-2
2-Bromonaphthalene
89%
40-140%
84-15-1
o-Terphenyl
65%
40-140%
321-60-8
2-Fluorobiphenyl
78%
40-140%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
24 of 77
a7G ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8081B SW846 3546 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID
DF
Analyzed
By
Prep Date
Prep Batch
Analytical Batch
Run # 1 KK78610.D
1
09/ 14/ 16
NG
09/09/ 16
OP61809
GKK2537
Run #2a KK78590.D
10
09/14/16
NG
09/09/16
OP61809
GKK2537
Initial Weight Final Volume
Run #1 4.30 g 5.0 ml
Run #2 4.30 g 5.0 ml
Pesticide PPL List
CAS No.
Compound
Result
309-00-2
Aldrin
ND
319-84-6
alpha-BHC b
ND
319-85-7
beta-BHC b
ND
319-86-8
delta-BHC
ND
58-89-9
gamma-BHC (Lindane) b
ND
12789-03-6
Chlordane
ND
60-57-1
Dieldrin
ND
72-54-8
4,4' -DDD b
ND
72-55-9
4,4' -DDE
ND
50-29-3
4,4' -DDT
ND
72-20-8
Endrin
ND
1031-07-8
Endosulfan sulfate
ND
7421-93-4
Endrin aldehyde
ND
959-98-8
Endosulfan-I
ND
33213-65-9
Endosulfan-II
ND
76-44-8
Heptachlor
ND
1024-57-3
Heptachlor epoxide
ND
72-43-5
Methoxychlor
ND °
8001-35-2
Toxaphene
ND
CAS No.
Surrogate Recoveries
Run# 1
877-09-8
Tetrachloro-m-xylene
101%
2051-24-3
Decachlorobiphenyl
92%
(a) Dilution required due to matrix interference.
(b) Associated CCV outside control limits.
(c) Result is
from Run# 2
RL
MDL
Units Q
0.016
0.0049
mg/kg
0.016
0.0050
mg/kg
0.016
0.0050
mg/kg
0.016
0.0047
mg/kg
0.016
0.0050
mg/kg
0.16
0.065
mg/kg
0.016
0.0061
mg/kg
0.032
0.0056
mg/kg
0.032
0.0052
mg/kg
0.32
0.064
mg/kg
0.032
0.0060
mg/kg
0.032
0.0061
mg/kg
0.032
0.0060
mg/kg
0.016
0.0047
mg/kg
0.016
0.0060
mg/kg
0.016
0.0055
mg/kg
0.016
0.0057
mg/kg
0.32
0.083
mg/kg
0.81
0.32
mg/kg
Run# 2 Limits
110% 50-122%
110% 50-133%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
25 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Metals Analysis
Analyte
Result
RL
Antimony
< 2.5
2.5
Arsenic
15.7
1.2
Beryllium
0.94
0.62
Cadmium
< 0.50
0.50
Chromium
48.7
1.2
Copper
11.6
3.1
Lead
23.9
2.5
Mercury
< 0.11
0.11
Nickel
11.8
5.0
Selenium
< 2.5
2.5
Silver
< 1.2
1.2
Thallium
< 1.2
1.2
Zinc
51.0
2.5
(1) Instrument QC Batch: MA13390
(2) Instrument QC Batch: MA13391
(3) Prep QC Batch: MP30803
(4) Prep QC Batch: MP30806
RL = Reporting Limit
Page 1 of l
Units DF Prep Analyzed By Method Prep Method
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/08/ 16
09/08/ 16
JL
SW846 7471B 2
SW846 7471B 4
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
26 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
General Chemistry
Analyte
Result
RL Units
DF
Analyzed
By Method
HEM Oil and Grease
< 550
550 mg/kg
1
09/10/16 15:00
xc Sw846 9071E
Solids, Percent
35.8
%
1
09/01/16 12:15
.it, SM192540G
Total Organic Carbon
111000
2800 mg/kg
1
09/ 12/ 16 14:34
FN Sw846 9060A M
RL = Reporting Limit
�±�*
27 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8270D BY SIM SW846 3546 Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 W094792.1) 1 09/07/16 MG 09/06/16 OP61755 SW4248
Run #2
Initial Weight Final Volume
Run#1 15.3g 1.0ml
Run #2
BN PAH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
0.10
0.041
mg/kg
208-96-8
Acenaphthylene
ND
0.10
0.041
mg/kg
120-12-7
Anthracene
ND
0.10
0.026
mg/kg
56-55-3
Benzo(a)anthracene
ND
0.021
0.0052
mg/kg
50-32-8
Benzo(a)pyrene
ND
0.021
0.0052
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
0.021
0.0052
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
0.021
0.0052
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
0.021
0.0052
mg/kg
218-01-9
Chrysene
ND
0.021
0.0052
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
0.021
0.0052
mg/kg
206-44-0
Fluoranthene
ND
0.10
0.026
mg/kg
86-73-7
Fluorene
ND
0.10
0.041
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
0.021
0.0052
mg/kg
90-12-0
1-Methylnaphthalene
ND
0.10
0.041
mg/kg
91-57-6
2-Methylnaphthalene
ND
0.10
0.041
mg/kg
91-20-3
Naphthalene
ND
0.10
0.041
mg/kg
85-01-8
Phenanthrene
ND
0.10
0.026
mg/kg
129-00-0
Pyrene
ND
0.10
0.026
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
4165-60-0
Nitrobenzene-d5
79%
40-105%
321-60-8
2-Fluorobiphenyl
82%
43-107%
1718-51-0
Terphenyl-d14
85%
45-119%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
28 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Page 1 of l
Client Sample ID:
V 1618
Lab Sample ID:
FA36573-4 Date Sampled: 08/30/16
Matrix:
SO - Soil Date Received: 08/31/ 16
Method:
MADEP VPH REV 1.1 Percent Solids: 63.1
Project:
215122; Sunset Beach, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 UU017070.D 1 09/O1/16 CG n/a n/a GUU879
Run #2
Initial Weight Final Volume Methanol Aliquot
Run #1 5.28 g 5.1 ml 100 ul
Run #2
MADEP VPH List
CAS No.
Compound
Result
RL
MDL
Units Q
71-43-2
Benzene
ND
0.11
0.11
mg/kg
100-41-4
Ethylbenzene
ND
0.21
0.11
mg/kg
1634-04-4
Methyl Tert Butyl Ether
ND
0.21
0.11
mg/kg
91-20-3
Naphthalene
ND
0.53
0.32
mg/kg
108-88-3
Toluene
0.112
0.21
0.11
mg/kg J
m,p-Xylene
ND
0.42
0.21
mg/kg
95-47-6
o-Xylene
ND
0.21
0.11
mg/kg
C5- C8 Aliphatics (Unadj.)
ND
11
3.7
mg/kg
C9- C12 Aliphatics (Unadj.)
ND
11
3.7
mg/kg
C9- C10 Aromatics (Unadj.)
ND
11
3.7
mg/kg
C5- C8 Aliphatics
ND
11
3.7
mg/kg
C9- C12 Aliphatics
ND
11
3.7
mg/kg
C9- CIO Aromatics
ND
11
3.7
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
460-00-4
BFB
104%
70-130%
460-00-4
BFB
106%
70-130%
ND = Not detected MDL = Method Detection Limit
RL = Reporting Limit
E = Indicates value exceeds calibration range
J = Indicates an estimated value
B = Indicates analyte found in associated method blank
N = Indicates presumptive evidence of a compound
29 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP EPH REV 1.1 SW846 3546 Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 NN016013.1) 1 09/08/16 FS 09/06/16 OP61759 GNN794
Run #2
Initial Weight Final Volume
Run # 1 3.2 g 2.0 ml
Run #2
MAEPH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
2.0
0.99
mg/kg
208-96-8
Acenaphthylene
ND
2.0
0.99
mg/kg
120-12-7
Anthracene
ND
2.0
0.99
mg/kg
56-55-3
Benzo(a)anthracene
ND
2.0
0.99
mg/kg
50-32-8
Benzo(a)pyrene
ND
2.0
0.99
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
2.0
0.99
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
2.0
0.99
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
2.0
0.99
mg/kg
218-01-9
Chrysene
ND
2.0
0.99
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
2.0
0.99
mg/kg
206-44-0
Fluoranthene
ND
2.0
0.99
mg/kg
86-73-7
Fluorene
ND
2.0
0.99
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
2.0
0.99
mg/kg
91-57-6
2-Methylnaphthalene
ND
2.0
0.99
mg/kg
91-20-3
Naphthalene
ND
2.0
0.99
mg/kg
85-01-8
Phenanthrene
ND
2.0
0.99
mg/kg
129-00-0
Pyrene
ND
2.0
0.99
mg/kg
C11-C22 Aromatics (Unadj.)
ND
99
74
mg/kg
C11-C22 Aromatics
ND
99
74
mg/kg
C9-C18 Aliphatics
ND
99
50
mg/kg
C 19-C36 Aliphatics
ND
99
50
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
3386-33-2
1-Chlorooctadecane
69%
40-140%
580-13-2
2-Bromonaphthalene
102%
40-140%
84-15-1
o-Terphenyl
74%
40-140%
321-60-8
2-Fluorobiphenyl
90%
40-140%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
30 of 77
SGS AcCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8081B SW846 3546 Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID
DF
Analyzed
By
Prep Date
Prep Batch
Analytical Batch
Run # 1 KK7861 LD
1
09/ 14/ 16
NG
09/09/ 16
OP61809
GKK2537
Run #2a KK78591.D
10
09/14/16
NG
09/09/16
OP61809
GKK2537
Initial Weight Final Volume
Run #1 4.50 g 5.0 ml
Run #2 4.50 g 5.0 ml
Pesticide PPL List
CAS No.
Compound
Result
309-00-2
Aldrin
ND
319-84-6
alpha-BHC b
ND
319-85-7
beta-BHC b
ND
319-86-8
delta-BHC
ND
58-89-9
gamma-BHC (Lindane) b
ND
12789-03-6
Chlordane
ND
60-57-1
Dieldrin
ND
72-54-8
4,4' -DDD b
ND
72-55-9
4,4' -DDE
ND
50-29-3
4,4' -DDT
ND
72-20-8
Endrin
ND
1031-07-8
Endosulfan sulfate
ND
7421-93-4
Endrin aldehyde
ND
959-98-8
Endosulfan-I
ND
33213-65-9
Endosulfan-II
ND
76-44-8
Heptachlor
ND
1024-57-3
Heptachlor epoxide
ND
72-43-5
Methoxychlor
ND °
8001-35-2
Toxaphene
ND
CAS No.
Surrogate Recoveries
Run# 1
877-09-8
Tetrachloro-m-xylene
101%
2051-24-3
Decachlorobiphenyl
89%
(a) Dilution required due to matrix interference.
(b) Associated CCV outside control limits.
(c) Result is
from Run# 2
RL
MDL
Units Q
0.0088
0.0027
mg/kg
0.0088
0.0027
mg/kg
0.0088
0.0027
mg/kg
0.0088
0.0026
mg/kg
0.0088
0.0027
mg/kg
0.088
0.035
mg/kg
0.0088
0.0033
mg/kg
0.018
0.0030
mg/kg
0.018
0.0028
mg/kg
0.18
0.035
mg/kg
0.018
0.0033
mg/kg
0.018
0.0033
mg/kg
0.018
0.0033
mg/kg
0.0088
0.0026
mg/kg
0.0088
0.0033
mg/kg
0.0088
0.0030
mg/kg
0.0088
0.0031
mg/kg
0.18
0.045
mg/kg
0.44
0.18
mg/kg
Run# 2 Limits
116% 50-122%
113% 50-133%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
31 of 77
SGS AcCUTEST
FA36573

SGS Accutest
Report of Analysis Page 1 of 1
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Metals Analysis
Analyte
Result
RL
Units
DF
Prep
Analyzed
By
Method
Prep Method
Antimony
< 1.2
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Arsenic
3.4
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Beryllium
0.30
0.29
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Cadmium
< 0.23
0.23
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Chromium
17.0
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Copper
3.7
1.4
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Lead
6.0
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Mercury
< 0.061
0.061
mg/kg
1
09/08/ 16
09/08/ 16
.it,
SW846 7471B 2
SW846 7471B 4
Nickel
3.3
2.3
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Selenium
< 1.2
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Silver
< 0.58
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Thallium
< 0.58
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Zinc
16.3
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
(1) Instrument QC Batch: MA13390
(2) Instrument QC Batch: MA13391
(3) Prep QC Batch: MP30803
(4) Prep QC Batch: MP30806
RL = Reporting Limit
32 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
General Chemistry
Analyte
Result
RL Units
DF
Analyzed
By Method
HEM Oil and Grease
< 310
310 mg/kg
1
09/ 10/ 16 15:00
xc Sw846 9071E
Solids, Percent
63.1
%
1
09/01/16 12:15
.it, SM192540G
Total Organic Carbon
33700
1600 mg/kg
1
09/ 12/ 16 15:04
FN Sw846 9060A M
RL = Reporting Limit
�±�*
33 of 77
SGS ACCUTEST
FA36573

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■
i

Town of Sunset Beach Navigation Project
Maintenance Dredging of the Bay Area, Feeder Channel, and Finger Canals
CAMA Major Permit Modification Request
Project Narrative
July 25, 2023
INTRODUCTION
The Town of Sunset Beach (Town) wishes to modify Coastal Area Management Act (CAMA) Permit No. 79-
19, U.S. Army Corps of Engineers Permit No. SAW-2019-01155, and State 401 Water Quality Certification
No. 2002-158, which were originally issued to allow shallow navigational dredging in the Bay Area, Feeder
Channel, and Finger Canals. Sunset Beach lies in Brunswick County, along the southern coastal border of
North Carolina, adjacent to Ocean Isle Beach. The proposed project will occur along the eastern border of
Sunset Beach, within the interior waters of Tubbs Inlet. Figure 1 shows the project area in relation to
Brunswick County.
Brunswick County 1yc � so ONSLOW BAY
�RrSUppLY�
SHALLOTTE ,�W4
VARNAMTOWN gW;r
v�SOUTHPOKT
SUNSET BEACH �,1 _? HOLDENBEACH LOCKWOODS OAKLSLAND
SHALLOTTL FOLLYINLET
INLET CASR'ELL BEACH
OCEAN ISLE
BEACH
TUBBS LONG BAY
U`LET PROJECT AREA BALD HEAD ISLAND
A T L AN T I C O C EAN
Figure 1. Project Vicinity Map
The project is currently authorized to be mechanically dredged with offloading of material at both the
Cobia Street Offloading Area and the Majestic Oaks Offloading Area and hauled by truck to the material
placement site off Old Georgetown Rd. This modification requests authorization to modify the dredge
limit for the Bay Area, Feeder Channel, and Finger Canals. This change is based on bathymetric surveys
conducted in August 2020, which indicated a decrease in the overall dredge limit. As a result, the area
covered by the permit is reduced. However, the modification also proposes an increase in the dredge
limits beyond the current authorized limits in certain locations to account for additional shoaling,
development along the shoreline, and existing marsh grass. This modification also includes additional
dredging in Zone B, a shoal located adjacent to South Jinks Creek, down to a depth of -6 ft MLW. Finally,
this modification seeks to extend the current authorized temporary matting area 40 ft waterward at the
previously approved Majestic Oak Staging and Offloading Area. The permit drawings provided in Tab B
show in detail the revised project as laid out in this narrative. As a note, prior to any dredging in the Finger
Canals, a shellfish relocation effort will be conducted based on coordination efforts with North Carolina
Division of Marine Fisheries based on the shellfish survey conducted and shown in Tab C.

Town of Sunset Beach Navigation Project
Bay Area, Feeder Channel, and Finger Canals
Project Narrative (Revised July 25, 2023)
PROJECT PURPOSE AND NEED
While the currently authorized dredge footprints help to address long-term shoaling patterns threatening
recreational navigation access to the residential system, these previous extents do not consider additional
shoaling that will have occurred since the time of updated survey (August 2020). The proposed dredge
design limits have been expanded in areas from the previously approved limits based on a strategic
channel design that addresses long-term sediment infilling and residential access needs.
The original permit also included dredging of South Jinks Creek; however, this portion of the project
completed construction on May 31, 2022. During this project, an additional area (Zone B) on the west side
of the project between the Feeder Channel Entrance and the Bay Area was permitted to be dredged to -
3 ft MLW; which was less than originally desired by the Town. The Town is requesting additional dredging
to be authorized in Zone B down to -6 ft MLW (-5 ft MLW +1 ft overdredge allowance), which is the same
elevation as the constructed South Jinks Creek channel, to provide safe navigation access to the
surrounding channels.
During construction of the Mechanical Dredging Project, a Letter of Refinement (dated March 8, 2023)
was approved by N.C. Division of Coastal Management (NCDCM) to utilize the Majestic Oaks Staging area
as an offloading area. As part of this modification request, the original footprint of the construction
matting is being modified and extended 40 ft waterward to allow the Contractor to offload material and
not be limited by the tide. (Please see Tab D for Letter of Refinement).
PROPOSED MODIFICATION
Dredge Footprint Modification
The currently authorized dredge limit was based on the surveys performed in August 23-24, 2016. An
updated survey was performed between August 24 — 27, 2020, which confirmed the existing ground
within the dredging limits averaged between 1— 2 ft MLW. The design throughout the project was revised
based on the updated survey, development along each channel, and existing marsh grass. This update,
which is the subject of this modification request, has resulted in a revision to the dredge limits as provided
in Table 1. Please note, dredging of this project started in January 2023 within the Feeder Channel. The
Contractor was able to complete up to Station 11+50 in the Feeder Channel. The Contractor will return to
work at the start of the 2023/2024 dredge window to complete the project during the upcoming window.
A field investigation identifying the GPS positions of the key structures to avoid was performed by Moffatt
& Nichol in July 2021. These locations were utilized in the redesign of the channel to ensure no adverse
impact to structural piles while maximizing material removal. The revised dredge limits do not impact
docks with structural piles.
Spartina alterniflora exists along the intertidal and supratidal regions of the Bay Area, Feeder Channel,
and Finger Canals. An updated marsh grass survey was performed in June of 2021 for these channels,
which is shown on Sheets C-101 and C-102 of the permit drawings included in Tab B. Coastal marsh grass
has encroached within or close to the anticipated dredge area of the Bay Area, Feeder Channel, and Finger
Canals. Therefore, to minimize potential impacts to the marsh grass, the proposed dredge limits will
maintain a minimum 10 ft buffer off any marsh grass. The 10 ft buffer should allow the channel adequate
space to equilibrate without negatively impacting adjacent areas of marsh grass. During construction, the
2

Town of Sunset Beach Navigation Project
Bay Area, Feeder Channel, and Finger Canals
Project Narrative (Revised July 25, 2023)
dredge equipment shall be prohibited from entering this marsh grass buffer zone. These measures will
help to ensure that environmental impacts on this project are minimized.
The modifications made, including the reduction in channel bottom width, have resulted in an overall
decrease in dredge limit area. The overall reduction in dredge limit area is 1.1 acres as shown in Table 2,
which includes Zone B (discussed in a later section). However, there are sections where the proposed
dredge limit exceeds the previously permitted limit due to the shifting of the dredge alignment to avoid
development along the channel. The dredge limit accounts for the channel bottom and dredging the side
slopes up to elevation -2 ft MLW. Table 3 provides a summary of the dredge limits area change and Table
3 shows a summary of the change in dredge limits for each section remaining to be dredged.
The modification requested in this permit modification package is due in part to the lessons learned from
the South Jinks Creek Navigation project where the dredge area changed between the time of permitting
and the time of construction. The volume calculated based on the updated survey and design
modifications did not exceed the original permitted volume in the Feeder Channel and Finger Canals or
the volume reported in the Bay Area Modification as shown in Table 1. The updated dredge extents and
alignments are shown on Sheet C-101 and C-102 of the permit drawings included in Tab B.
Table 1 — Dredge Limit Description
Channel
Existing Avg.
Proposed Depth
Length
Dredge Limits
Side Slope
Est. Maximum
Placement
Depth (MLW-ft)
(MLW-ft)
(ft)
Width (ft)
(H:V)
Volume (CY)
Location
Bay Area—
-2
-6(-5+1)
2,350
44-64
3:1
13,141
Upland
Primary
Disposal
Bay Area —
-2
-6 (-5+1)
1,000
44
3:1
3,753
Upland
Secondary
Disposal
Feeder
-1.9
-6 (-5+1)
3,5001
28-48
3:1
22,0002
Upland
Channel
Disposal
Finger
-1.3
-5 (-4+1)
3,200
21-34
3:1
10,700
Upland
Canal A — D
Disposal
Zone B
-3.1
-6 (-5+1)
450
69-155
3:1
3,000
Upland
Disposal
Upland
TOTAL
10,500
Varies
3:1
52,594
Disposal
1. 300 ft remaining after previously dredged area during 2022/2023 dredge window removed from
total length of Feeder Channel
2. 8,119 CY removed during 2022/2023 Dredge Window
Table 2 — Dredge Limits Area Summary
Permitted Dredge
Proposed Dredge
Difference
Area
Limits (Acres)
Limits (Acres)
(Acres)
Bay Area
(Primary and Secondary)
3.2
3.6
+0.4
Feeder Channel and
Finger Canals A-D
7.7
5.7
-2.0
Zone B
0.3
0.8
+0.5
Total
11.2
10.1
-1.1
3

Town of Sunset Beach Navigation Project
Bay Area, Feeder Channel, and Finger Canals
Project Narrative (Revised July 25, 2023)
Table 3 — Dredge Limits Change Summary
Dredge Limits Increase
Channel
Distance (ft)
Stations
Notes
Bay Area
(Primary and
Secondary)
0-5
2+00 — 13+00
Both Sides of Channel
Feeder Channel
Minimal (<2)
NA
NA
Finger Canal A
8
6
3+00-4+00
7+50 — 8+00
East Side of Channel
West Side of Channel
Finger Canal B
Minimal (<2)
NA
NA
Finger Canal C
Minimal (<2)
NA
NA
Finger Canal D
Minimal (<2)
NA
NA
Zone B
9 — 67
53+50 — 58+00
West Side of Channel
Majestic Oaks Staging and Offloading Area
In order to maximize the amount of material that that will be dredged during the upcoming 2023/2024
dredge window to ensure the project is completed on -time, the contractor for the project, R.E. Goodson,
is potentially bringing a smaller second dredge and barge to the project site to finalize work in the western
end of the Feeder Channel and finger canals. Offloading of material dredged from these areas will be
performed at Cobia St. The current dredge will continue work in the Bay Area and will continue to offload
material at Majestic Oaks Staging and Offloading Area as authorized by DCM under a letter of refinement
dated March 8, 2023, allowing both dredge operations to work simultaneously. To allow for the dredge
working in the Bay Area to not be tidally limited during offloading, the contractor has requested to extend
the current authorized matting area 40 ft waterward as shown in Figure 2 in the area currently devoid of
wetlands. In this area, the additional construction matting would be placed waterward of the normal high-
water line and stacked so that the top layer of matting would always be above water. The dimensions of
the additional matting would be approximately 40 ft long and 20 ft wide. This matting would allow the
unloading excavator to work above water at all times during the tidal cycle without causing significant
disturbance to shallow bottom habitats. The unloaded material will continue to be transported by dump
trucks to the previously approved material placement site. To minimize potential impacts associated with
spillage and runoff into adjacent wetlands or waters, a turbidity curtain will be placed waterward of the
edge of the construction matting, and silt fences will be placed on high ground to east and west of the
construction matting. The matting, turbidity curtain and silt fencing will be removed following project
completion.

Town of Sunset Beach Navigation Project
Bay Area, Feeder Channel, and Finger Canals
Project Narrative (Revised July 25, 2023)
f-TEMPORARY
PROPOSED GABION WALL
EXCAVATOR _ ' BULKHEAD
LOCATION ---
MAJESTIC OAKS STAGING
N S ,� z J & OFFLOADING AREA
I �
ti
Al
G-142
PROPOSED
J SILT FENCE, TYP
� APPROx LOCATION
tiMAI NCDCM WATERLINE
f
• FLAGS, TYP
Figure 2. Majestic Oaks Staging and Offloading Area
Additional Dredging in South Jinks Creek
20' x 75' TIMBER
MATTING
20' x 40` TIMBER
MATTING
APPROX NORMAL
WATERLINE
LIMITS OF
MARSHGRASS
TURBIDITY CURTAIN
Zones A and B were originally requested to be dredged during the South Jinks Creek Project to a depth of
-3 ft MLW (See Tab Q. In an effort to expedite the approval to allow dredging these areas within the
dredge window that ended on March 31, 2022, Zone A was removed from the original request. Based on
comments received both during the South Jinks Creek Project, as well as the agency scoping meeting held
on July 1, 2022, Zone A has been removed from this permit modification request. The Town is now
requesting authorization through this modification to dredge Zone B to a maximum depth of -6 ft MLW (-
5 ft MLW +1 ft overdredge allowance), which is consistent with the previously constructed channel in
South Jinks Creek.
Dredging of Zone B is critical to allow for safe navigation access for residents adjacent to South Jinks Creek
and emergency responders to the surrounding channels. Up to 3,000 cy of material would be dredged
within Zone B as shown in Table 1. The dredge area increased slightly from the area noted in the permitted
South Jinks Creek project due to the deeper channel depth requested as shown in Figure 3. The currently
permitted area for Zone B is 0.3 acres and the current modification request area is 0.8 acres, an increase
of 0.5 acres. As previously shown during the South Jinks Creek Project, this material is beach compatible
(See Tab F). However, given the minimal amount of material to be dredged, the significant investment,
and potential environmental impact associated with mobilizing the pipeline to the nearshore disposal
area, the Town is requesting this material be allowed to be placed in the material placement site located
off Old Georgetown Road.
5

Town of Sunset Beach Navigation Project
Bay Area, Feeder Channel, and Finger Canals
Project Narrative (Revised July 25, 2023)
Figure 3. Additional Dredging of Zone B
ADDITIONAL ENVIRONMENTAL CONCERNS
As part of the previously permitted components of this project, the Town evaluated potential impacts to
managed or endangered species that may occur as a result of the overall project. While these reports
were completed as part of the original permit submittals, the findings should be expected to apply to the
proposed modifications. Tab G provides an Essential Fish Habitat (EFH) assessment and Tab H provides a
Biological Assessment (BA) for the project. Generally, the referenced reports support the findings that the
project should not adversely impact any threatened or managed species.
Additional precautions proposed for the project include following U.S. Fish and Wildlife Service (USFWS)
recommended guidelines for avoiding impacts to West Indian Manatee and recommendations provided
by the National Marine Fisheries Service (NMFS) to help protect sea turtles and smalltooth sawfish. Tab I
(Manatee Avoidance Guidelines) includes the manatee guidelines while Tab J (NMFS Recommendations)
provides the sea turtle and smalltooth sawfish precautions. Based on the scoping meeting on July 1, 2022,
the Town will coordinate with resource agencies to avoid and minimize impacts to coastal marsh and
other resources within the proposed modification footprint.
HISTORIC RESOURCES
The applicant has also contacted the State Historic Preservation Office (SHPO) as part of the original
permit submittals to inquire on any known historic resources in the area such as shipwrecks or
archeological artifacts. These inquiries did not identify any known resources with the potential to be
impacted by the project. Tab K (SHPO Resource Review) provides the written response from SHPO. It is
again reasonably expected that these findings may also be applied to proposed project modification.
3"

Town of Sunset Beach Navigation Project
Bay Area, Feeder Channel, and Finger Canals
Project Narrative (Revised July 25, 2023)
The Town of Sunset Beach requests a permit modification to: 1) modify the dredge footprint for the Bay
Area, Feeder Channel, and Finger Canals based upon August 2020 bathymetric survey, 2) Dredge Zone B
to 6 MLW (5 ft MLW + 1 ft over dredge allowance), and 3) temporarily extend the Majestic Oaks Staging
and Offloading Area 40 ft waterward.
These modifications will assist in reducing future dredging impacts anticipated by property owners
requesting personal access to the navigation channel. These modifications will provide a viable plan for
completing the dredging efforts with minimal environmental impacts. The project will help restore
navigation access to the waterway system on the east end of Sunset Beach while maintaining a buffer
zone between the work area and coastal marsh or wetland habitat. The work will also follow additional
guidelines and recommendations provided by USFWS and NMFS to further minimize the potential for
environmental impacts during construction. The project will adhere to environmental moratoria designed
to protect juvenile fish and shellfish. Additionally, the project will follow construction guidelines designed
to protect manatee, sea turtle, and smalltooth sawfish.
ADDITIONAL ITEMS RELATED TO CAMA PERMIT APPLICATION PACKAGE
State Environmental Policy Act (SEPA) Compliance
§ 113A-12(6) states that the preparation of an environmental document shall not be required for projects
that require a Coastal Area Management Act major permit. Therefore, no SEPA document will be prepared
for the proposed project modification. Previous permits and the agency scoping meeting associated with
this project are provided for reference in Tab L.
Application Fee
A permit application processing fee will be provided separately.
Adjacent Riparian Property Owner Notifications
At the advice of NCDCM staff, adjacent riparian property owner notifications were mailed (certified mail,
return receipt requested) to the riparian properties immediately adjacent to the modified template. A
copy of the letter submitted, as well as a listing of notified property owners are attached in Tab M. This
data will be provided to NCDCM by the Town of Sunset Beach.
NCDWR Pre -Filing Notification
• A scoping meeting was held at which DWR was present. The date of the scoping meeting was July
1, 2022 and this project was discussed. This meeting met the requirement for requesting a pre -
filing meeting under 40 CFR Part 121 for 401 Certifications in accordance with the federal Clean
Water Act.
• The project proponent hereby certifies that all information contained herein is true, accurate, and
complete to the best of my knowledge and belief.
• The project proponent hereby requests that the certifying authority review and take action on
this CWA 401 certification request within the applicable reasonable period of time.
• A Section 401 Pre -Filing Notification for the proposed project modification was submitted to the
N.C. Division of Water Resources on April 17, 2023 (See Tab N).
VA

Town of Sunset Beach Navigation Project
Bay Area, Feeder Channel, and Finger Canals
Project Narrative (Revised July 25, 2023)
List of Tabs
Tab A
Project Narrative
Tab B
Permit Drawings
Tab C
Shellfish Survey
Tab D
Letter of Refinement — Majestic Oaks Staging and Offloading Area
Tab E
USACE Letter: Additional Dredging in S. Jinks Creek
Tab F
Sediment Analysis
Tab G
EFH Assessment
Tab H
Biological Assessment
Tab I
Manatee Avoidance Guidelines
Tab J
NMFS Recommendations
Tab K
SHPO Resource Review
Tab L
Previous Permits and Agency Scoping Meeting
Tab M
Adjacent Riparian Property Notice
Tab N
NCDWR Pre -Filing Notification
Tab O
Agent Authorization
8

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Anks Creek Shellfish Survey Report
Sunset Beach, NC
,-4
FEBRUARY 2018
Prepared By: Moffatt & Nichol
272 N. Front Street, Ste. 204
Wilmington, NC 28401
Prepared For: Town of Sunset Beach
700 Sunset Boulevard North
Sunset Beach, NC 28468
hjhq
moffati & nichol

Jinks Creek Shellfish Survey Report
TABLE OF CONTENTS
1.0 INTRODUCTION............................................................................................................................1
2.0 METHODOLOGY...........................................................................................................................4
3.0 RESULTS & DISCUSSION.............................................................................................................5
3.1 Oyster Resources.......................................................................................................................... 5
3.2 Clam Resources............................................................................................................................6
3.3 Mussel Resources..........................................................................................................................6
3.4 Water Quality................................................................................................................................7
4.0 SUMMARY...................................................................................................................................... 8
5.0 REFERENCES................................................................................................................................. 9
LIST OF FIGURES
Figure1. Jinks Creek Location.....................................................................................................................1
Figure 2. Southern Jinks Creek 1966 (Originally printed in Cleary & Marden, 1999).................................2
Figure 3. Southern Jinks Creek 1974 (Originally printed in Cleary & Marden, 1999).................................2
Figure 4. Jinks Creek Shellfish Survey Site Plan.......................................................................................... 3
LIST OF TABLES
Table 1. Potential Oyster Impacts Based on Species Size & Density........................................................... 5
Table 2. Potential Clam Impacts Based on Species Size & Density.............................................................6
Table 3. Potential Mussel Impacts Based on Density................................................................................... 7
Table 4. Water Quality Measurements......................................................................................................... 7
APPENDICES
Appendix A — Planview Summary Results
Appendix B — Survey Summary by Transect
Appendix C — Site Photos
Appendix D — Field Data Collection Forms

Jinks Creek Shellfish Survey Report 0
1.0 INTRODUCTION
Moffatt & Nichol conducted a shellfish survey of Jinks Creek in support of a navigation dredging project
sponsored by the Town of Sunset Beach. Jinks Creek serves as a connecting navigation channel for two (2)
residential canals and additional residential lots on the east end of Sunset Beach. With the current shoaling
condition of Tubbs Inlet, Jinks Creek provides the only navigable access to the Atlantic Intracoastal Waterway
(AIWW) for the east end of Sunset Beach. The two (2) residential canals connecting with Jinks Creek entail
the Feeder Canal and the Bay Area as shown in Figure 1. Figure 1 also shows the location of Jinks Creek in
relation to the AIWW and Tubbs Inlet, which provides a tidal connection to the Atlantic Ocean.
Figure 1. Jinks Creek Location
The creation of both the Feeder Canal and Bay Area occurred through man-made dredging operations during
the early 1970's (Cleary & Marden, 1999). Figures 2 & 3 show aerial photographs of the southern portion of
Jinks Creek near the Feeder Canal and Bay Area. The images show the pre- and post -project conditions of
southern Jinks Creek for the referenced circa 1970 dredging event. However, there are no records of any previous
dredging events occurring in Jinks Creek north of the residential canal systems.
The NC Division of Marine Fisheries (DMF) and the National Marine Fisheries Service (NMFS) requried the
shellfish survey to help evaluate the potenital for impacts as a result from the navigation dredging project. The
survey concentrated on identifiying clam and oyster species of all development levels within the project area.
Moffatt & Nichol I Page 1

Jinks Creek Shellfish Survey Report 0
The survey results should help the resource agencies quantify the shellfish presence and evaluate their
productivitiy potential.
The DMF has designated the boundary of Jinks Creek as primary nursery area (PNA) due to the adjacents
habitats potential to support shellfish and juvenile fish species. Based on local observations, significant shellfish
resources could also be expected within the waters of Jinks Creek. Therefore, any action that may alter or impact
the area's ability to support shellfish must be reviewed by the resource agencies prior to implementation. The
survey results may aslo help identify if avoidance or minimization measures may help decrease the impact
potential for any shellfish found within the dredging footprint.
Figure 2. Southern Jinks Creek 1966 (Originally printed in Cleary & Marden, 1999)
Figure 3. Southern Jinks Creek 1974 (Originally printed in Cleary & Marden, 1999)
The shellfish survey included sampling approximately 1,182 sites over 55 transects in an approximate 42-acre
area covering the general undisturbed section of Jinks Creek. The survey followed a protocol provided by DMF
for conducting the assessment, which stipulated the density of sample sites required. The protocol requires a
minimum of 25 sample sites per acre with no less than 10 samples for any specific project. The survey limits
and acreage were identified through consultation with DMF and the NMFS with additional review provided by
the North Carolina Division of Coastal Management (DCM), and the US Army Corps of Engineers (USACE).
After determining the survey limits, a desktop GIS application assisted to divide the site into transects with
Moffatt & Nichol I Page 2

Jinks Creek Shellfish Survey Report 0
randomly spaced sample sites. Figure 4 shows an overview of survey limits in Jinks Creek along with the
identified transects and sampling locations.
Figure 4. Jinks Creek Shellfish Survey Site Plan
Moffatt & Nichol I Page 3

Jinks Creek Shellfish Survey Report 0
2.0 METHODOLOGY
Moffatt & Nichol staff conducted the shellfish survey on July 18'-20t1i, September 5t"-8'1i (excluding September
6t1i), and October 2nd-5'1i, 2017. Weather conditions remained favorable throughout most of the sampling period,
but heavy rains prevented the survey efforts planned for October 4t1i. Generally, the shellfish sampling occurred
in approximate 4-hour windows balanced around the most accessible predicted low tide event of each day.
Scheduling the work around low tide maximized the exposed ground cover within the intertidal region and
helped expedite the survey efforts.
The survey methodology required a visual count or estimate of the shellfish present at each sampling location.
The sampling plan randomly distributed the sites along each transect, but generally provided an average of 22
sites per transect. The maximum number of samples assigned to an individual transect equaled 32 sites and the
minimum number of sites equaled 11. The survey intent strived to provide a depth stratified layout by distributing
the sample sites across the transect in random variation.
In the field, the survey team navigated to within an approximate 3-foot radius of each pre-estalished sample site
to observe and docuent the shellfish presence. In the subtidal locations, the survey team used a clam rake to
sample an approximate 1-meter square area and document the shellfish presence. Along most of the intertidal
and supratidal areas, the survey team conducted a visual count of any identified live shellfish within the 1-meter
square sample site. When shellfish presence covered greater than 50% of the 1-meter square site, the survey
team extrapolated the full shellfish presence from visual counts of either'/2 or %4 of the sample area. When the
shellfish presence provided greater than 90% coverage of the 1-meter square site, the survey team extrapolated
the overall shellfish presence from visual counts of approximately %4 of the site.
Along with the shellfish presence, the survey noted the depth and general bottom type (e.g. mud, sandy mud,
muddy sand, sand, shell hash) for each sampling site. The survey also provided general water quality parameters
such as dissolved oxygen, pH, salinity, and temperature observed during the survey period. The data gathering
included the referenced information to help identify if any anomalies existed during the sampling period that
might affect the shellfish presence or absence.
• Survey date
• Surveyor's names
• Water quality (DO, pH, salinity, and
temperature)
• Site elevation (MLW)
• Sediment type
• Water depth
• Presence/absence of shellfish
• Number of shellfish
• Category of size
Moffatt & Nichol Page 4

Jinks Creek Shellfish Survey Report 0
3.0 RESULTS & DISCUSSION
The survey results discuss multiple aspects of the findings related to the different type of shellfish identified
during the work. The survey focused on identifying the presence of clam and oyster resources; however, the
results also noted additional environmental resources as observed in the field.
3.1 Oyster Resources
The survey results indicate the proposed navigation project will most likely not be able to avoid potential impacts
to the oyster resources present in Jinks Creek. Appendix A shows a summary of the survey results in planview.
As shown in the planview summary, the oyster resources located in the northern most 1,400 ft of Jinks Creek
extended throughout the channel cross-section. Generally, the survey identified oyster colonies ranging up to
100 species within multiple sample sites established in the creek's subtidal region. The survey also identified
larger oyster clusters within the intertidal regions adjacent to the shoreline. The work would most likely not
create any direct impacts to the resources established along the shoreline, but could be expected to impact
resources in the subtidal region.
Based on the survey results, Jinks Creek supports approximately 1,195 oyster species per acre between the
AIWW confluence and the Feeder Canal entrance. These results include the spat, sublegal, and legal size
categories sampled during the survey efforts. The following list shows a summary of oyster species identified
from the 1,182 sites and 55 transects in the approximate 42-acre Jinks Creek survey area. For reference,
Appendix B shows the summary results of the shellfish sampled by transect during the survey effort.
■ 6,388 Spat Classification (152 / acre)
■ 34,186 Sublegal Classification (812 / acre)
■ 9,730 Legal Classification (231 / acre).
Total — 50,304 (1,195 / acre)
Based on the calculated density of oyster potentially within Jinks Creek, the navigation project may create
impacts to approximately 12,810 oyster based on the proposed dredge footprint. The navigation project may
disturb an estimated 10.72 acres within Jinks Creek between the AIWW confluence and the Feeder Canal system.
Therefore, with an estimated potential of 1,195 oyster per acre, the total impact could reach approximately
12,810 oyster species. Table 1 provides a summary of the estimated impacts feasible for the spat, sublegal and
legal categories of oyster.
Table 1. Potential Ovster Impacts Based on Species Size & Density
Size Category
Shellfish Survey Results
Potential Impacts
(10.72 Ac. Dredge Area)
Spat
152 / Acre
1,629
Sublegal
812 / Acre
8,705
Legal
231 / Acre
21476
Total
1,195 / Acre
12,810
The calculated impacts account for previously proposed minimization efforts supported within the northern
section of Jinks Creek. The minimization efforts include reducing the proposed navigation channel to a 40-ft
width along the initial 1,200 ft from the AIWW confluence. As referenced above, the oyster resources in the
central portion of Jinks Creek extend an additional 200-ft (1,400-ft total) from the limits of the minimized
channel. However, the channel approaches an S-curve alignment beyond the 1,200 ft range and a wider channel
seemed more appropriate for boater safety. The proposed channel widens to a 50-ft width through the S-curve
alignment.
Moffatt & Nichol I Page 5

Jinks Creek Shellfish Survey Report 0
This northern area of Jinks Creek includes the most environmentally sensitive habitat observed during the survey
efforts, where oyster habitat generally consisted throughout the channel profile. Beyond this northern area, the
oyster resources appeared to colonize along the shoreline beyond the dredging limits. For reference, Appendix
A shows the proposed dredging footprint along with the identified oyster resources throughout Jinks Creek.
Additional minimization or relocation efforts may also help reduce the impact potential. However, complete
avoidance appears unlikely due to the identified locations and stratifications of the oyster resource.
3.2 Clam Resources
The survey also identified several clam species within the northern section of Jinks Creek. The results indicate
a concentration of clams within the northern most portion of Jinks Creek with a diminishing presence extending
throughout the proposed work area. The results show the majority of the clam species exist north of the S-curve
in Jinks Creek, or Transect 28 as shown in Appendix A. The area in north Jinks Creek, where the survey
identified the clam resources, appeared to contain a substrate of fine grained or clayey material and organics
mixed together. South of this area, the sediment transitions to a coarser grain size material typical of an open
beach and less conducive for clam habitat. However, the survey identified at least two (2) clam resources along
the southern most transect in the study area. Therefore, the subaqueous terrain within Jinks Creek south of the
S-curve most likely provides some degree of suitable habitat for clam resources. In total, the survey identified
1,288 clam resources within the Jinks Creek survey area for an average density of 31 clams per acre. Appendix
B provides a list of the clam species sampled along each of the 55 transects, with a summary shown below.
Large Clam —1,008 (24 / acre)
Small Clam — 280 (7 / acre)
Total — 1,288 (31/ acre)
Based on the proposed dredge alignment, the navigation project will most likely create impacts to the clam
resource within Jinks Creek. Similar to the identified oyster resources, minimization or relocation efforts will be
unlikely to alleviate all potential impacts to the clam resources. The survey identified clams buried within the
subaqueous substrate of Jinks Creek and relocation efforts could not ensure complete removal of the resource.
Table 2 shows the project may affect approximately 328 clams inclusive of the small and large sized species.
The calculated potential impacts account for the overall resource density observed within the survey area and do
not consider the potential for relocation efforts.
Table 2. Potential Clam Impacts Based on Species Size & Density
Size Category
Shellfish Survey Results
Potential Impacts
(10.72 Ac. Dredge Area)
Small
24 /Acre
257
Large
7 / Acre
71
Total
31 /Acre
328
3.3 Mussel Resources
Although efforts did not concentrate on identifying mussel resources, the survey located approximately 836
species within the Jinks Creek sample area. This translates to an average value of approximately 20 mussel
species per acre. The survey efforts generally located the mussel species within the northern survey area, between
Transect 1 and Transect 25. The survey located approximately 740 (89%) species within this northern area of
Jinks Creek. The remaining 96 (11%) species occurred in the southern portion of Jinks Creek between Transect
30 and Transect 41.
The survey identified the mussel resources generally integrated along the channel's edge with the colonized
oyster species. Based on the density observed during the survey efforts, the project may affect approximately
213 species during the construction event. Although the species generally resides within the intertidal zone, the
Moffatt & Nichol I Page 6

Jinks Creek Shellfish Survey Report 0
survey cannot conclude the shoreline provides the only utilized habitat for the resource. Therefore, the survey
results include the impact potential for the mussel resource based on the observed density throughout Jinks
Creek. Table 3 shows the results of the potential impacts calculated for the mussel resource.
Table 3. Potential Mussel Impacts Based on Density
Shellfish Survey Results
Potential Impacts
(10.72 Ac. Dredge Area)
20 /Acre
213
3.4 Water Quality
The water quality data collected during the survey efforts matched well with anticipated results for similar water
bodies. Therefore, the Jinks Creek system should not contain any anomalous features that may impair the
presense or recruitment of shellfish. The DMF includes Jinks Creek in the Stream Classification Schedule for
the Lumber River Basin as SA, HWQ (commercial shellfishing, High Quality Waters) (DMF, 2018). Results of
the water quality collected during the sampling events met all applicable state water quality standards for SA
waters. Table 4 shows the reported water quality data, including water temperature, salinity, dissolved oxygen
(DO), and pH.
Table 4. Water Quality Measurements
Date / Time
Temp. °F
Salinity IF
DO (mg/L)
pH
NC Standard0)
-
-
> 5.0 mg/L
6.8 to 8.5
07/18/17 09:15
79.54
35.95
3.95
5.7
07/18/17 11:15
83.59
30.55
5.81
6.25
07/19/17 10:00
81.23
35.91
6.19
6.88
07/19/17 12:15
84.52
36.47
7.93
7.27
07/20/17 10:00
80.96
36.42
4.66
7.19
09/05/17 15:30
85.14
35.9
10.22
7.04
09/07/17 13:00
80.83
28.46
6.74
6.96
09/08/17 13:30
80.42
31.96
9.92
7.47
10/02/17 09:30
72.16
32.43
7.29
6.91
10/02/17 13:30
75.78
34.69
9.87
6.98
10/03/17 10:00
72.36
33.69
7.44
7.2
10/03/17 14:00
75.34
34.79
10.16
7.22
10/05/17 13:00
76.24
35.25
8.96
7.01
10/05/17 15:00
76.73
24.85
10.21
7.3
1. NC water quality standards provided by DEQ (2018).
Moffatt & Nichol I Page 7

Jinks Creek Shellfish Survey Report
4.0 SUMMARY
The shellfish survey helped to identify numerous resources within Jinks Creek, including oyster, clam, and
mussel. The survey covered approximately 42.11 acres in support of a navigation project proposed to dredge
Jinks Creek. In accordance with the recommendations provided by the NC Division of Marine Fisheries (DMF),
the survey included 1,182 sample sites across 55 transects spaced through Jinks Creek. The recommended
protocol required a minimum of 25 sample locations for every acre within the project area. The primary focus
of the survey concentrated on identifying the risk for potential impacts to occur to the existing Jinks Creek oyster
habitat. The survey also identified other environmental resources such as clam and mussel species.
The survey found Jinks Creek supports on the order of 1,200 oysters per acre ranging from spat (152), sublegal
(812), and legal (231) size classifications. The majority of the oyster resources fall along the shoreline in the
intertidal region. However, the survey identified several oyster resources within the subtidal region of northern
Jinks Creek. Generally, the oyster identified within the deeper regions of the creek occurred within the northern
1,400 ft of Jinks Creek. In this area of northern Jinks Creek, the resource density most likely prohibits the
navigation project from avoiding all potential impacts. Minimization efforts can help reduce the potential for
impacts; however, the survey results show the oyster resources may be too diverse to avoid.
Within the remaining portion of Jinks Creek, outside of the northern 1,400 ft, oyster species generally coagulate
along the shoreline and should not face any direct impacts from the navigation project. The oyster resources in
south Jinks Creek exist a sufficient distance from the proposed dredging footprint so direct impacts would remain
unlikely. However, the creek substrate through the southern portion of the work area seems capable of sustaining
oyster habitat. Based on these findings, the proposed navigation project could affect an estimated 12,810 oyster
by dredging the 10.7-acre footprint currently proposed. Reviewing the overall densities for each oyster size
category, the potential impacts could affect approximately 1,629 spat species, 8,705 sublegal and 2,476 legal
species.
The shellfish survey also identified approximately 1,288 clam resources, including 1,008 small species and 280
large classifications across the complete 42.11-acre survey site. The clam resources extended further south
within the subtidal region of Jinks Creek compared to the oyster species identified. The survey identified clam
resources through the complete survey area; however, the placement density became significantly lower in
southern Jinks Creek compared to the northern region. Relocation efforts would minimize the potential for
adverse impacts to the clam resources. However, with the low water visibility and the clams tendency to bury
within the sediment, complete removal of all clam resources seems unlikely.
The survey identified several mussel resources in addition to the clam and oyster species. The mussel species
generally existed underneath oyster clumps located along the shoreline or channel banks. Direct impacts to the
mussel species appears unlikely due to their presence along the shoreline. The proposed navigation project
strives to avoid the shoreline region and generally follows the existing thalweg of Jinks Creek. However, the
survey results recognize the project may potentially affect approximately 213 mussel resources during the
construction process.
The survey results provide a foundation for evaluating potential impacts feasible for the shellfish resources in
Jinks Creek. Review of the findings by NMFS and DMF, along with other project stakeholders should foster
discussion on the path forward to provide suitable minimization or avoidance efforts to complete the navigation
project. In addition, agency review and consultation should also help facilitate any necessary mitigation
requirements to offset the direct impacts feasible from the dredging event.
Moffatt & Nichol I Page 8

Jinks Creek Shellfish Survey Report Town
5.0 REFERENCES
Cleary, W. J. and Marden, T. P. 1999. Shifting Shorelines: A Pictorial Atlas of North Carolina Inlets. North
Carolina Sea Grant. Raleigh, North Carolina.
DMF (2018). Habitat protection, strategic habitat areas. URL. http://portal.ncdenr.org/web/mf/habitat/SHAs
Accessed February 15, 2018.
NCDEQ (2018). NC surface water classifications. URL. hiips://ncdenr.maps.arcgis.com/gpps/webgppviewer/
index.html?id=6e125ad7628f494694e259c80dd64265. Accessed February 15, 2018
Moffatt & Nichol I Page 9

Appendix A
Planview Summary Results

2016 AERIAL PROVIDED BY NC ONEMAP
T02
^R
T04
T08
LEGEND
- - PROPOSED CHANNEL CENTERLINE
PROPOSED CHANNEL BASE (WIDTH)
PROPOSED CHANNEL TOP @ MLW
SHELLFISH SAMPLE LOCATION
• CLAM SPECIES IDENTIFIED
■ 0-100 OYSTER SPECIES IDENTIFIED
100-500 OYSTER SPECIES IDENTIFIED
500-1,000 OYSTER SPECIES IDENTIFIED
>1,000 OYSTER SPECIES IDENTIFIED
TOWN OF SUNSET BEACH
NAVIGATION PROJECT
JINKS CREEK SHELLFISH SURVEY
PLAN VIEW
T10
T12
A
0
�x
ti M
ti� O
44
0' 100' 200'
GRAPHIC SCALE IN FEET
A-1

4
z
T48
T50
T52
LEGEND
- PROPOSED CHANNEL CENTERLINE
- - - - PROPOSED CHANNEL BASE (WIDTH)
PROPOSED CHANNEL TOP @ MLW
SHELLFISH SAMPLE LOCATION
• CLAM SPECIES IDENTIFIED
■ 0-100 OYSTER SPECIES IDENTIFIED
100-500 OYSTER SPECIES IDENTIFIED
500-1,000 OYSTER SPECIES IDENTIFIED
>1,000 OYSTER SPECIES IDENTIFIED
0' 100' 200'
GRAPHIC SCALE IN FEET
2016 AERIAL PROVIDED BY NC ONEMAP L.
TOWN OF SUNSET BEACH
NAVIGATION PROJECT
JINKS CREEK SHELLFISH SURVEY
PLAN VIEW A-3

Appendix B
Survey Summary by Transect

Transect
# of Sites
Sampled
Acreage
Shellfish Located
Mussel
Clam
Oyster
Large
Small
Total
Spat/Recruit
Suhlegal
Legal
Total
1
11
0
44
0
44
0
0
0
0
2
13
0
44
4
48
0
0
0
0
3
13
0
8
0
8
8
52
80
140
4
17
0
4
0
4
120
272
172
564
5
22
0
40
8
48
56
300
80
436
6
26
0
44
0
44
100
348
256
704
7
17
0
92
8
100
256
3272
60
3588
8
25
0
12
0
12
0
290
544
834
9
16
480
124
24
148
892
3084
80
4056
10
21
0
92
24
116
472
1600
20
2092
11
17
96
64
28
92
216
1240
180
1636
12
23
0
44
0
44
0
60
680
740
13
16
8
48
24
72
480
2584
80
3144
14
27
0
92
28
120
160
1472
4
1636
15
22
0
32
8
40
320
1832
20
2172
16
26
0
32
0
32
16
148
256
420
17
20
0
8
4
12
40
160
8
208
18
22
28
8
4
12
48
800
116
964
19
27
0
24
4
28
175
844
126
1145
20
22
0
8
16
24
44
160
408
612
21
22
0
4
16
20
0
0
0
0
22
25
104
12
8
20
288
2208
128
2624
23
28
0
0
4
4
48
496
16
560
24
23
0
36
24
60
0
288
468
756
25
22
24
12
8
20
132
600
0
732
26
22
0
8
8
16
180
480
52
712
27
21
0
8
0
8
0
532
40
572
28
21
0
16
4
20
0
52
680
732
29
20
0
4
0
4
480
1700
104
2284
30
16
8
0
0
0
260
752
292
1304
31
24
0
0
0
0
160
1220
140
1520
32
23
0
4
0
4
0
244
848
1092
33
23
0
4
4
8
100
936
120
1156
34
19
4
4
4
8
80
1200
80
1360
35
19
16
0
0
0
72
620
32
724
36
24
0
0
0
0
128
500
1108
1736
37
22
40
8
0
8
400
1060
300
1760
38
21
24
0
0
0
80
1060
792
1932
39
22
0
0
0
0
160
288
104
552
40
24
0
0
0
0
128
300
876
1304
41
23
4
0
0
0
21
20
52
93
42
23
0
0
0
0
32
160
12
204
43
20
0
0
0
0
160
700
60
920
44
23
0
0
0
0
76
200
180
456
45
21
0
8
0
8
0
48
40
88
46
19
0
0
0
0
0
0
0
0
47
19
0
0
0
0
0
4
0
4
48
17
0
0
0
0
0
0
0
0
49
18
0
0
4
4
0
0
0
0
50
22
0
4
4
8
0
0
0
0
51
24
0
0
0
0
0
0
36
36
52
21
0
0
0
0
0
0
0
0
53
25
0
8
4
12
0
0
0
0
54
31
0
0
0
0
0
0
0
0
55
32
0
4
4
8
0
0
0
0
TOTAL
1,182
42.11
836
1,008
280
1,288
6,388
34,186
9,730
50,304
Density / Acre
20
24
7
31
152
812
231
1,195
B-1

Appendix C
Site Pictures

Photo Appendix
Photo 1: Oysters along the edge of finks Creek.
Photo Z: Typical oyster patch found.
C-1

Photos 3 and 4: High tide conditions when oysters are not visible.
Photos 5 and 6: Typical rake samples, one with shell, the other with mucky substrate.
C-2

01�11MM M
y�, �_ � 1 r • J. �I.L.L•ty�L�+/ .aG,"�I�. �" �4I — _ S � �y
Photos 7 and 8: Typical sand -mud intertidal areas near Transect T-55.
C-3

Photo 9: Northern end ofJinks Creek, looking east.
A S
w
Photo 10: Tributary to Jinks Creek near Transect 25 (S-Curve).
C-4

Photo 11: Oyster shell near Transect T14 in northern Jinks Creek.
Photo 12: Oyster shell near Transect T10 in northern Jinks Creek.
C-5

Appendix D
Field Data Collection Forms

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moffQtt & nichol
March 8, 2023
N.C. Division of Coastal Management
c/o Brendan Brock
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
(via email at [e-mail])
Dear Mr. Brock:
Moffatt and Nichol, on behalf of the Town of Sunset Beach, submits this request for a Letter of
Refinement of CAMA Permit No. 79-19. Permit No. 79-19 was issued for the dredging of South
Jinks Creek, the Bay Area, Feeder Channel and Finger Canals.
Work is currently beginning on the mechanical dredging of the Feeder Channel and Bay Area,
with the dredging of the Finger Canals scheduled to take place in Fall 2023. Dredged material
currently is being unloaded from barges at the previously authorized Cobia Street offload site. In
order to maximize the amount of material that that will be dredged during the current dredge
window and ensure the project is completed on -time, the contractor for the project, R.E.
Goodson, is bringing a smaller second dredge and barge to the project site to finalize work in the
western end of the Feeder Channel, which is narrower, and offload material at Cobia St. The
current dredge will start working in the Bay Area. To allow for both dredges to work and offload
simultaneously, the contractor has requested to utilize an area adjacent to the current Majestic
Oaks staging area to offload material dredged from the Bay Area Channel. The proposed
offloading at Majestic Oaks would utilize an area that extends to the water and is currently
devoid of wetlands (see attached workplan drawing). In this area, construction matting would be
placed immediately landward of the normal high water line. The matting would extend landward
approximately 75' and would be 20' wide. This matting would allow for a long reach excavator
to offload barges and load dump trucks for transport to the previously approved offsite disposal
area. No structures in or over the water are proposed, and it is anticipated that the barge can be
placed close enough to shore to allow material removal without causing significant disturbance
to shallow bottom habitats. To minimize potential impacts associated with spillage and runoff
into adjacent wetlands or waters, a turbidity curtain will be placed waterward of the edge of the
construction matting, and silt fences will be placed to east and west of the construction matting.
The matting, turbidity curtain and silt fencing will be removed following project completion.
Based upon the information provided herein, Moffatt and Nichol, on behalf of the Town of
Sunset Beach, would like to request that this activity at the Majestic Oaks staging area be
authorized by way of a Letter of Refinement. We have also obtained signed "statements of no
objection" from the adjacent riparian property owners. If you need any additional information

concerning this request to facilitate your review and approval, please feel free to contact me at
any time at dhuggettgmoffatnichol.com or at [phone].
Sincerely,
Doug Huggett
cc: Tara MacPherson, NCDCM
Lisa Anglin, Town of Sunset Beach
Brandon Grant, Moffatt and Nichol

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N.C. DIVISION OF COASTAL MANAGEMENT ADJACENT RIPARIAN PROPERTY OWNER (ARPO)
NOTIFICATION/WAIVER FORM
HAND DELIVERY
(Top portion to be completed by owner or their agent)
Name of Property Owner: Town of Sunset Beach
Address of Property: 410 Maiestic Oak Circle Sunset Beach, NC 28468
Mailing Address of Owner: 700 Sunset Blvd. N. Sunset Beach, NC 28468
Owner's email: [e-mail] Owner's Phone it: 910.579-6297
Agent's Name: Brandon Grant Agent Phone P: 919-781-4626
Agent's Email: [e-mail]
ADJACENT RIPARIAN PROPERTY OWNER'S CERTIFICATION
(Bottom portion to be completed by the Adjacent Riparian Property Owner)
I hereby certify that I own property adjacent to the above referenced property. The individual applying
for this perm' has described tome, as shown on the attached drawing, the development they are
proposi :A description or drawing, with dimensions, must be provided with this letter.
1 DO NOT have objections to this proposal (please initial)
I DO have objections to this proposal. (please initial)
If you have objections to what is being proposed, you must notify the N.C. Division of Coastal
Management (DCM) in writing within 30 days of receipt of this notice. Correspondence should be mailed
to 127 Cardinal Drive Extension, Wilmington, NC 28405. DCM representatives can also be contacted at
[phone].
Signature of Adjacent Riparian Property Owner: �✓V V ,
Typed/Printed name of ARPO: Walter Kowtoniuk
Mailing Address of ARPO: 201 Gardner Street Johnstown, PA 15905
ARPO's email: [e-mail] ARPO's Phone#: [phone]
Date: 03/10/2023 *waiver is valid for up to one year from ARPO's Signature*

,", 4700 Falls of Neuse Rd.
Raleigh, NC 27613
moffatt & nichol [phone]
I www.moffattnichol.com
March 4, 2022
Greg Currey Tara MacPherson
US Army Corps of Engineers NC Division of Coastal
69 Darlington Ave. Management
Wilmington, NC 28403 127 Cardinal Drive Ext
Wilmington, NC 28405
Holley Snider
NC Division of Water
Resources
127 Cardinal Drive Ext
Wilmington, NC 28405
Town of Sunset Beach South Jinks Creek Navigation Improvement Project: South
Jinks Creek Deep Water Access
Dear Mr. Currey, Ms. MacPherson, and Ms. Snider
As a follow-up to the phone call between Greg Currey and Dawn York on March 3, 2022, this letter is
provided at the request of the USACE to ask permission to dredge the remaining sandbar on the western
side of permitted channel for the South Jinks Creek Navigation Project as referenced in the Town of Sunset
Beach's permit SAW-2019-01155 during the current dredge cycle. The following information is referenced
to show the proposed dredging limits and volume to provide safe navigation within South Jinks Creek and
its adjoining channels fulfilling the original intent of the project.
Summary of Additional Dredging:
The South Jinks Creek design alignment was originally located directly adjacent to the existing natural deep
water at the time of the permit application. Dredging was expected to connect to the existing deep water to
improve navigation and safety by providing access to South Jinks Creek and into the adjacent Feeder
Channel. Since the time of permitting, the flood shoal has shifted westward pushing the existing deep water
25 — 50 ft to the west. Given the design template remained the same, the current dredging project no longer
connects to the location of the existing deep water. Remnants of the shoal remain along the western edge
of the newly dredged South Jinks Creek Channel causing hazardous navigation conditions and tidally
dependent access to South Jinks Creek between Stations 57+50 and 51+00 (see Figure 1).
A B
Figure 1. Photo from Station 54+00 A: Looking North; B: Looking South

March 4, 2022
The Town of Sunset Beach is requesting to dredge this remaining portion of the shoal to a depth of -3 ft
MLW between Station 51+00 and 57+50 as described in the attached drawings. As shown in the drawings,
the width of the additional dredging west of the boundary shown on the permit varies between 20 ft and
105 ft. See Table 1 for the additional area and volume of the proposed additional dredging requested.
Table 1: Additional Dredging Area and Volume
Location
Area (sq. ft)
Volume (cy)
Area A
16,904
2,415
Area B
10,629
1,280
The vibracore data has been reviewed and it is expected that all material that is located on this shoal meets
the guidelines for beach quality sand as defined in the technical standards for beach fill projects defined in
15A NCAC 07H.0312.
Should you have any questions on this matter, or wish to discuss this matter further, please feel free to
contact me.
Sincerely,
MOFFATT & NICHOL
Sam Morrison
Technical Director Dredge Services

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Anks Creek Shellfish Survey Report
Sunset Beach, NC
,-4
FEBRUARY 2018
Prepared By: Moffatt & Nichol
272 N. Front Street, Ste. 204
Wilmington, NC 28401
Prepared For: Town of Sunset Beach
700 Sunset Boulevard North
Sunset Beach, NC 28468
hjhq
moffati & nichol

Jinks Creek Shellfish Survey Report
TABLE OF CONTENTS
1.0 INTRODUCTION............................................................................................................................1
2.0 METHODOLOGY...........................................................................................................................4
3.0 RESULTS & DISCUSSION.............................................................................................................5
3.1 Oyster Resources.......................................................................................................................... 5
3.2 Clam Resources............................................................................................................................6
3.3 Mussel Resources..........................................................................................................................6
3.4 Water Quality................................................................................................................................7
4.0 SUMMARY...................................................................................................................................... 8
5.0 REFERENCES................................................................................................................................. 9
LIST OF FIGURES
Figure1. Jinks Creek Location.....................................................................................................................1
Figure 2. Southern Jinks Creek 1966 (Originally printed in Cleary & Marden, 1999).................................2
Figure 3. Southern Jinks Creek 1974 (Originally printed in Cleary & Marden, 1999).................................2
Figure 4. Jinks Creek Shellfish Survey Site Plan.......................................................................................... 3
LIST OF TABLES
Table 1. Potential Oyster Impacts Based on Species Size & Density........................................................... 5
Table 2. Potential Clam Impacts Based on Species Size & Density.............................................................6
Table 3. Potential Mussel Impacts Based on Density................................................................................... 7
Table 4. Water Quality Measurements......................................................................................................... 7
APPENDICES
Appendix A — Planview Summary Results
Appendix B — Survey Summary by Transect
Appendix C — Site Photos
Appendix D — Field Data Collection Forms

Jinks Creek Shellfish Survey Report 0
1.0 INTRODUCTION
Moffatt & Nichol conducted a shellfish survey of Jinks Creek in support of a navigation dredging project
sponsored by the Town of Sunset Beach. Jinks Creek serves as a connecting navigation channel for two (2)
residential canals and additional residential lots on the east end of Sunset Beach. With the current shoaling
condition of Tubbs Inlet, Jinks Creek provides the only navigable access to the Atlantic Intracoastal Waterway
(AIWW) for the east end of Sunset Beach. The two (2) residential canals connecting with Jinks Creek entail
the Feeder Canal and the Bay Area as shown in Figure 1. Figure 1 also shows the location of Jinks Creek in
relation to the AIWW and Tubbs Inlet, which provides a tidal connection to the Atlantic Ocean.
Figure 1. Jinks Creek Location
The creation of both the Feeder Canal and Bay Area occurred through man-made dredging operations during
the early 1970's (Cleary & Marden, 1999). Figures 2 & 3 show aerial photographs of the southern portion of
Jinks Creek near the Feeder Canal and Bay Area. The images show the pre- and post -project conditions of
southern Jinks Creek for the referenced circa 1970 dredging event. However, there are no records of any previous
dredging events occurring in Jinks Creek north of the residential canal systems.
The NC Division of Marine Fisheries (DMF) and the National Marine Fisheries Service (NMFS) requried the
shellfish survey to help evaluate the potenital for impacts as a result from the navigation dredging project. The
survey concentrated on identifiying clam and oyster species of all development levels within the project area.
Moffatt & Nichol I Page 1

Jinks Creek Shellfish Survey Report 0
The survey results should help the resource agencies quantify the shellfish presence and evaluate their
productivitiy potential.
The DMF has designated the boundary of Jinks Creek as primary nursery area (PNA) due to the adjacents
habitats potential to support shellfish and juvenile fish species. Based on local observations, significant shellfish
resources could also be expected within the waters of Jinks Creek. Therefore, any action that may alter or impact
the area's ability to support shellfish must be reviewed by the resource agencies prior to implementation. The
survey results may aslo help identify if avoidance or minimization measures may help decrease the impact
potential for any shellfish found within the dredging footprint.
Figure 2. Southern Jinks Creek 1966 (Originally printed in Cleary & Marden, 1999)
Figure 3. Southern Jinks Creek 1974 (Originally printed in Cleary & Marden, 1999)
The shellfish survey included sampling approximately 1,182 sites over 55 transects in an approximate 42-acre
area covering the general undisturbed section of Jinks Creek. The survey followed a protocol provided by DMF
for conducting the assessment, which stipulated the density of sample sites required. The protocol requires a
minimum of 25 sample sites per acre with no less than 10 samples for any specific project. The survey limits
and acreage were identified through consultation with DMF and the NMFS with additional review provided by
the North Carolina Division of Coastal Management (DCM), and the US Army Corps of Engineers (USACE).
After determining the survey limits, a desktop GIS application assisted to divide the site into transects with
Moffatt & Nichol I Page 2

Jinks Creek Shellfish Survey Report 0
randomly spaced sample sites. Figure 4 shows an overview of survey limits in Jinks Creek along with the
identified transects and sampling locations.
Figure 4. Jinks Creek Shellfish Survey Site Plan
Moffatt & Nichol I Page 3

Jinks Creek Shellfish Survey Report 0
2.0 METHODOLOGY
Moffatt & Nichol staff conducted the shellfish survey on July 18'-20t1i, September 5t"-8'1i (excluding September
6t1i), and October 2nd-5'1i, 2017. Weather conditions remained favorable throughout most of the sampling period,
but heavy rains prevented the survey efforts planned for October 4t1i. Generally, the shellfish sampling occurred
in approximate 4-hour windows balanced around the most accessible predicted low tide event of each day.
Scheduling the work around low tide maximized the exposed ground cover within the intertidal region and
helped expedite the survey efforts.
The survey methodology required a visual count or estimate of the shellfish present at each sampling location.
The sampling plan randomly distributed the sites along each transect, but generally provided an average of 22
sites per transect. The maximum number of samples assigned to an individual transect equaled 32 sites and the
minimum number of sites equaled 11. The survey intent strived to provide a depth stratified layout by distributing
the sample sites across the transect in random variation.
In the field, the survey team navigated to within an approximate 3-foot radius of each pre-estalished sample site
to observe and docuent the shellfish presence. In the subtidal locations, the survey team used a clam rake to
sample an approximate 1-meter square area and document the shellfish presence. Along most of the intertidal
and supratidal areas, the survey team conducted a visual count of any identified live shellfish within the 1-meter
square sample site. When shellfish presence covered greater than 50% of the 1-meter square site, the survey
team extrapolated the full shellfish presence from visual counts of either'/2 or %4 of the sample area. When the
shellfish presence provided greater than 90% coverage of the 1-meter square site, the survey team extrapolated
the overall shellfish presence from visual counts of approximately %4 of the site.
Along with the shellfish presence, the survey noted the depth and general bottom type (e.g. mud, sandy mud,
muddy sand, sand, shell hash) for each sampling site. The survey also provided general water quality parameters
such as dissolved oxygen, pH, salinity, and temperature observed during the survey period. The data gathering
included the referenced information to help identify if any anomalies existed during the sampling period that
might affect the shellfish presence or absence.
• Survey date
• Surveyor's names
• Water quality (DO, pH, salinity, and
temperature)
• Site elevation (MLW)
• Sediment type
• Water depth
• Presence/absence of shellfish
• Number of shellfish
• Category of size
Moffatt & Nichol Page 4

Jinks Creek Shellfish Survey Report 0
3.0 RESULTS & DISCUSSION
The survey results discuss multiple aspects of the findings related to the different type of shellfish identified
during the work. The survey focused on identifying the presence of clam and oyster resources; however, the
results also noted additional environmental resources as observed in the field.
3.1 Oyster Resources
The survey results indicate the proposed navigation project will most likely not be able to avoid potential impacts
to the oyster resources present in Jinks Creek. Appendix A shows a summary of the survey results in planview.
As shown in the planview summary, the oyster resources located in the northern most 1,400 ft of Jinks Creek
extended throughout the channel cross-section. Generally, the survey identified oyster colonies ranging up to
100 species within multiple sample sites established in the creek's subtidal region. The survey also identified
larger oyster clusters within the intertidal regions adjacent to the shoreline. The work would most likely not
create any direct impacts to the resources established along the shoreline, but could be expected to impact
resources in the subtidal region.
Based on the survey results, Jinks Creek supports approximately 1,195 oyster species per acre between the
AIWW confluence and the Feeder Canal entrance. These results include the spat, sublegal, and legal size
categories sampled during the survey efforts. The following list shows a summary of oyster species identified
from the 1,182 sites and 55 transects in the approximate 42-acre Jinks Creek survey area. For reference,
Appendix B shows the summary results of the shellfish sampled by transect during the survey effort.
■ 6,388 Spat Classification (152 / acre)
■ 34,186 Sublegal Classification (812 / acre)
■ 9,730 Legal Classification (231 / acre).
Total — 50,304 (1,195 / acre)
Based on the calculated density of oyster potentially within Jinks Creek, the navigation project may create
impacts to approximately 12,810 oyster based on the proposed dredge footprint. The navigation project may
disturb an estimated 10.72 acres within Jinks Creek between the AIWW confluence and the Feeder Canal system.
Therefore, with an estimated potential of 1,195 oyster per acre, the total impact could reach approximately
12,810 oyster species. Table 1 provides a summary of the estimated impacts feasible for the spat, sublegal and
legal categories of oyster.
Table 1. Potential Ovster Impacts Based on Species Size & Density
Size Category
Shellfish Survey Results
Potential Impacts
(10.72 Ac. Dredge Area)
Spat
152 / Acre
1,629
Sublegal
812 / Acre
8,705
Legal
231 / Acre
21476
Total
1,195 / Acre
12,810
The calculated impacts account for previously proposed minimization efforts supported within the northern
section of Jinks Creek. The minimization efforts include reducing the proposed navigation channel to a 40-ft
width along the initial 1,200 ft from the AIWW confluence. As referenced above, the oyster resources in the
central portion of Jinks Creek extend an additional 200-ft (1,400-ft total) from the limits of the minimized
channel. However, the channel approaches an S-curve alignment beyond the 1,200 ft range and a wider channel
seemed more appropriate for boater safety. The proposed channel widens to a 50-ft width through the S-curve
alignment.
Moffatt & Nichol I Page 5

Jinks Creek Shellfish Survey Report 0
This northern area of Jinks Creek includes the most environmentally sensitive habitat observed during the survey
efforts, where oyster habitat generally consisted throughout the channel profile. Beyond this northern area, the
oyster resources appeared to colonize along the shoreline beyond the dredging limits. For reference, Appendix
A shows the proposed dredging footprint along with the identified oyster resources throughout Jinks Creek.
Additional minimization or relocation efforts may also help reduce the impact potential. However, complete
avoidance appears unlikely due to the identified locations and stratifications of the oyster resource.
3.2 Clam Resources
The survey also identified several clam species within the northern section of Jinks Creek. The results indicate
a concentration of clams within the northern most portion of Jinks Creek with a diminishing presence extending
throughout the proposed work area. The results show the majority of the clam species exist north of the S-curve
in Jinks Creek, or Transect 28 as shown in Appendix A. The area in north Jinks Creek, where the survey
identified the clam resources, appeared to contain a substrate of fine grained or clayey material and organics
mixed together. South of this area, the sediment transitions to a coarser grain size material typical of an open
beach and less conducive for clam habitat. However, the survey identified at least two (2) clam resources along
the southern most transect in the study area. Therefore, the subaqueous terrain within Jinks Creek south of the
S-curve most likely provides some degree of suitable habitat for clam resources. In total, the survey identified
1,288 clam resources within the Jinks Creek survey area for an average density of 31 clams per acre. Appendix
B provides a list of the clam species sampled along each of the 55 transects, with a summary shown below.
Large Clam —1,008 (24 / acre)
Small Clam — 280 (7 / acre)
Total — 1,288 (31/ acre)
Based on the proposed dredge alignment, the navigation project will most likely create impacts to the clam
resource within Jinks Creek. Similar to the identified oyster resources, minimization or relocation efforts will be
unlikely to alleviate all potential impacts to the clam resources. The survey identified clams buried within the
subaqueous substrate of Jinks Creek and relocation efforts could not ensure complete removal of the resource.
Table 2 shows the project may affect approximately 328 clams inclusive of the small and large sized species.
The calculated potential impacts account for the overall resource density observed within the survey area and do
not consider the potential for relocation efforts.
Table 2. Potential Clam Impacts Based on Species Size & Density
Size Category
Shellfish Survey Results
Potential Impacts
(10.72 Ac. Dredge Area)
Small
24 /Acre
257
Large
7 / Acre
71
Total
31 /Acre
328
3.3 Mussel Resources
Although efforts did not concentrate on identifying mussel resources, the survey located approximately 836
species within the Jinks Creek sample area. This translates to an average value of approximately 20 mussel
species per acre. The survey efforts generally located the mussel species within the northern survey area, between
Transect 1 and Transect 25. The survey located approximately 740 (89%) species within this northern area of
Jinks Creek. The remaining 96 (11%) species occurred in the southern portion of Jinks Creek between Transect
30 and Transect 41.
The survey identified the mussel resources generally integrated along the channel's edge with the colonized
oyster species. Based on the density observed during the survey efforts, the project may affect approximately
213 species during the construction event. Although the species generally resides within the intertidal zone, the
Moffatt & Nichol I Page 6

Jinks Creek Shellfish Survey Report 0
survey cannot conclude the shoreline provides the only utilized habitat for the resource. Therefore, the survey
results include the impact potential for the mussel resource based on the observed density throughout Jinks
Creek. Table 3 shows the results of the potential impacts calculated for the mussel resource.
Table 3. Potential Mussel Impacts Based on Density
Shellfish Survey Results
Potential Impacts
(10.72 Ac. Dredge Area)
20 /Acre
213
3.4 Water Quality
The water quality data collected during the survey efforts matched well with anticipated results for similar water
bodies. Therefore, the Jinks Creek system should not contain any anomalous features that may impair the
presense or recruitment of shellfish. The DMF includes Jinks Creek in the Stream Classification Schedule for
the Lumber River Basin as SA, HWQ (commercial shellfishing, High Quality Waters) (DMF, 2018). Results of
the water quality collected during the sampling events met all applicable state water quality standards for SA
waters. Table 4 shows the reported water quality data, including water temperature, salinity, dissolved oxygen
(DO), and pH.
Table 4. Water Quality Measurements
Date / Time
Temp. °F
Salinity IF
DO (mg/L)
pH
NC Standard0)
-
-
> 5.0 mg/L
6.8 to 8.5
07/18/17 09:15
79.54
35.95
3.95
5.7
07/18/17 11:15
83.59
30.55
5.81
6.25
07/19/17 10:00
81.23
35.91
6.19
6.88
07/19/17 12:15
84.52
36.47
7.93
7.27
07/20/17 10:00
80.96
36.42
4.66
7.19
09/05/17 15:30
85.14
35.9
10.22
7.04
09/07/17 13:00
80.83
28.46
6.74
6.96
09/08/17 13:30
80.42
31.96
9.92
7.47
10/02/17 09:30
72.16
32.43
7.29
6.91
10/02/17 13:30
75.78
34.69
9.87
6.98
10/03/17 10:00
72.36
33.69
7.44
7.2
10/03/17 14:00
75.34
34.79
10.16
7.22
10/05/17 13:00
76.24
35.25
8.96
7.01
10/05/17 15:00
76.73
24.85
10.21
7.3
1. NC water quality standards provided by DEQ (2018).
Moffatt & Nichol I Page 7

Jinks Creek Shellfish Survey Report
4.0 SUMMARY
The shellfish survey helped to identify numerous resources within Jinks Creek, including oyster, clam, and
mussel. The survey covered approximately 42.11 acres in support of a navigation project proposed to dredge
Jinks Creek. In accordance with the recommendations provided by the NC Division of Marine Fisheries (DMF),
the survey included 1,182 sample sites across 55 transects spaced through Jinks Creek. The recommended
protocol required a minimum of 25 sample locations for every acre within the project area. The primary focus
of the survey concentrated on identifying the risk for potential impacts to occur to the existing Jinks Creek oyster
habitat. The survey also identified other environmental resources such as clam and mussel species.
The survey found Jinks Creek supports on the order of 1,200 oysters per acre ranging from spat (152), sublegal
(812), and legal (231) size classifications. The majority of the oyster resources fall along the shoreline in the
intertidal region. However, the survey identified several oyster resources within the subtidal region of northern
Jinks Creek. Generally, the oyster identified within the deeper regions of the creek occurred within the northern
1,400 ft of Jinks Creek. In this area of northern Jinks Creek, the resource density most likely prohibits the
navigation project from avoiding all potential impacts. Minimization efforts can help reduce the potential for
impacts; however, the survey results show the oyster resources may be too diverse to avoid.
Within the remaining portion of Jinks Creek, outside of the northern 1,400 ft, oyster species generally coagulate
along the shoreline and should not face any direct impacts from the navigation project. The oyster resources in
south Jinks Creek exist a sufficient distance from the proposed dredging footprint so direct impacts would remain
unlikely. However, the creek substrate through the southern portion of the work area seems capable of sustaining
oyster habitat. Based on these findings, the proposed navigation project could affect an estimated 12,810 oyster
by dredging the 10.7-acre footprint currently proposed. Reviewing the overall densities for each oyster size
category, the potential impacts could affect approximately 1,629 spat species, 8,705 sublegal and 2,476 legal
species.
The shellfish survey also identified approximately 1,288 clam resources, including 1,008 small species and 280
large classifications across the complete 42.11-acre survey site. The clam resources extended further south
within the subtidal region of Jinks Creek compared to the oyster species identified. The survey identified clam
resources through the complete survey area; however, the placement density became significantly lower in
southern Jinks Creek compared to the northern region. Relocation efforts would minimize the potential for
adverse impacts to the clam resources. However, with the low water visibility and the clams tendency to bury
within the sediment, complete removal of all clam resources seems unlikely.
The survey identified several mussel resources in addition to the clam and oyster species. The mussel species
generally existed underneath oyster clumps located along the shoreline or channel banks. Direct impacts to the
mussel species appears unlikely due to their presence along the shoreline. The proposed navigation project
strives to avoid the shoreline region and generally follows the existing thalweg of Jinks Creek. However, the
survey results recognize the project may potentially affect approximately 213 mussel resources during the
construction process.
The survey results provide a foundation for evaluating potential impacts feasible for the shellfish resources in
Jinks Creek. Review of the findings by NMFS and DMF, along with other project stakeholders should foster
discussion on the path forward to provide suitable minimization or avoidance efforts to complete the navigation
project. In addition, agency review and consultation should also help facilitate any necessary mitigation
requirements to offset the direct impacts feasible from the dredging event.
Moffatt & Nichol I Page 8

Jinks Creek Shellfish Survey Report Town
5.0 REFERENCES
Cleary, W. J. and Marden, T. P. 1999. Shifting Shorelines: A Pictorial Atlas of North Carolina Inlets. North
Carolina Sea Grant. Raleigh, North Carolina.
DMF (2018). Habitat protection, strategic habitat areas. URL. http://portal.ncdenr.org/web/mf/habitat/SHAs
Accessed February 15, 2018.
NCDEQ (2018). NC surface water classifications. URL. hiips://ncdenr.maps.arcgis.com/gpps/webgppviewer/
index.html?id=6e125ad7628f494694e259c80dd64265. Accessed February 15, 2018
Moffatt & Nichol I Page 9

Appendix A
Planview Summary Results

2016 AERIAL PROVIDED BY NC ONEMAP
T02
^R
T04
T08
LEGEND
- - PROPOSED CHANNEL CENTERLINE
PROPOSED CHANNEL BASE (WIDTH)
PROPOSED CHANNEL TOP @ MLW
SHELLFISH SAMPLE LOCATION
• CLAM SPECIES IDENTIFIED
■ 0-100 OYSTER SPECIES IDENTIFIED
100-500 OYSTER SPECIES IDENTIFIED
500-1,000 OYSTER SPECIES IDENTIFIED
>1,000 OYSTER SPECIES IDENTIFIED
TOWN OF SUNSET BEACH
NAVIGATION PROJECT
JINKS CREEK SHELLFISH SURVEY
PLAN VIEW
T10
T12
A
0
�x
ti M
ti� O
44
0' 100' 200'
GRAPHIC SCALE IN FEET
A-1

4
z
T48
T50
T52
LEGEND
- PROPOSED CHANNEL CENTERLINE
- - - - PROPOSED CHANNEL BASE (WIDTH)
PROPOSED CHANNEL TOP @ MLW
SHELLFISH SAMPLE LOCATION
• CLAM SPECIES IDENTIFIED
■ 0-100 OYSTER SPECIES IDENTIFIED
100-500 OYSTER SPECIES IDENTIFIED
500-1,000 OYSTER SPECIES IDENTIFIED
>1,000 OYSTER SPECIES IDENTIFIED
0' 100' 200'
GRAPHIC SCALE IN FEET
2016 AERIAL PROVIDED BY NC ONEMAP L.
TOWN OF SUNSET BEACH
NAVIGATION PROJECT
JINKS CREEK SHELLFISH SURVEY
PLAN VIEW A-3

Appendix B
Survey Summary by Transect

Transect
# of Sites
Sampled
Acreage
Shellfish Located
Mussel
Clam
Oyster
Large
Small
Total
Spat/Recruit
Suhlegal
Legal
Total
1
11
0
44
0
44
0
0
0
0
2
13
0
44
4
48
0
0
0
0
3
13
0
8
0
8
8
52
80
140
4
17
0
4
0
4
120
272
172
564
5
22
0
40
8
48
56
300
80
436
6
26
0
44
0
44
100
348
256
704
7
17
0
92
8
100
256
3272
60
3588
8
25
0
12
0
12
0
290
544
834
9
16
480
124
24
148
892
3084
80
4056
10
21
0
92
24
116
472
1600
20
2092
11
17
96
64
28
92
216
1240
180
1636
12
23
0
44
0
44
0
60
680
740
13
16
8
48
24
72
480
2584
80
3144
14
27
0
92
28
120
160
1472
4
1636
15
22
0
32
8
40
320
1832
20
2172
16
26
0
32
0
32
16
148
256
420
17
20
0
8
4
12
40
160
8
208
18
22
28
8
4
12
48
800
116
964
19
27
0
24
4
28
175
844
126
1145
20
22
0
8
16
24
44
160
408
612
21
22
0
4
16
20
0
0
0
0
22
25
104
12
8
20
288
2208
128
2624
23
28
0
0
4
4
48
496
16
560
24
23
0
36
24
60
0
288
468
756
25
22
24
12
8
20
132
600
0
732
26
22
0
8
8
16
180
480
52
712
27
21
0
8
0
8
0
532
40
572
28
21
0
16
4
20
0
52
680
732
29
20
0
4
0
4
480
1700
104
2284
30
16
8
0
0
0
260
752
292
1304
31
24
0
0
0
0
160
1220
140
1520
32
23
0
4
0
4
0
244
848
1092
33
23
0
4
4
8
100
936
120
1156
34
19
4
4
4
8
80
1200
80
1360
35
19
16
0
0
0
72
620
32
724
36
24
0
0
0
0
128
500
1108
1736
37
22
40
8
0
8
400
1060
300
1760
38
21
24
0
0
0
80
1060
792
1932
39
22
0
0
0
0
160
288
104
552
40
24
0
0
0
0
128
300
876
1304
41
23
4
0
0
0
21
20
52
93
42
23
0
0
0
0
32
160
12
204
43
20
0
0
0
0
160
700
60
920
44
23
0
0
0
0
76
200
180
456
45
21
0
8
0
8
0
48
40
88
46
19
0
0
0
0
0
0
0
0
47
19
0
0
0
0
0
4
0
4
48
17
0
0
0
0
0
0
0
0
49
18
0
0
4
4
0
0
0
0
50
22
0
4
4
8
0
0
0
0
51
24
0
0
0
0
0
0
36
36
52
21
0
0
0
0
0
0
0
0
53
25
0
8
4
12
0
0
0
0
54
31
0
0
0
0
0
0
0
0
55
32
0
4
4
8
0
0
0
0
TOTAL
1,182
42.11
836
1,008
280
1,288
6,388
34,186
9,730
50,304
Density / Acre
20
24
7
31
152
812
231
1,195
B-1

Appendix C
Site Pictures

Photo Appendix
Photo 1: Oysters along the edge of finks Creek.
Photo Z: Typical oyster patch found.
C-1

Photos 3 and 4: High tide conditions when oysters are not visible.
Photos 5 and 6: Typical rake samples, one with shell, the other with mucky substrate.
C-2

01�11MM M
y�, �_ � 1 r • J. �I.L.L•ty�L�+/ .aG,"�I�. �" �4I — _ S � �y
Photos 7 and 8: Typical sand -mud intertidal areas near Transect T-55.
C-3

Photo 9: Northern end ofJinks Creek, looking east.
A S
w
Photo 10: Tributary to Jinks Creek near Transect 25 (S-Curve).
C-4

Photo 11: Oyster shell near Transect T14 in northern Jinks Creek.
Photo 12: Oyster shell near Transect T10 in northern Jinks Creek.
C-5

Appendix D
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Supplemental Essential Fish
Habitat Assessment
Feeder Channel, Bay Area &South
Jinks Creek, Sunset Beach,
Brunswick County, North Carolina
Prepared for:
Town of Sunset Beach, Brunswick County, NC
Submitted to:
The North Carolina Division of Coastal Management
August 3, 2020
Prepared by:
ho
MOFFATT & NICHHL
238 Princess Street,
Wilmington, NC 28401

Supplemental Essential Fish Habitat Assessment
TABLE OF CONTENTS
1.0
INTRODUCTION.................................................................................................................................4
1.1
Summary of Proposed Project......................................................................................................
5
2.0
ESSENTIAL FISH HABITAT..................................................................................................................9
2.1
Marine Unvegetated Sandy Bottom.............................................................................................9
2.2
Oyster Reef and Shell Banks.......................................................................................................10
2.3
Estuarine Emergent Wetlands....................................................................................................11
2.4
Aquatic Bed (Tidal Freshwater)...................................................................................................11
2.5
Estuarine Water Column/Tidal Creeks........................................................................................11
2.6
Primary Nursery Areas................................................................................................................11
3.0
MANAGED SPECIES.........................................................................................................................12
3.1
SAFMC and NMFS-managed Species..........................................................................................12
3.1.1
Penaeid Shrimp (Penaeus spp.)...........................................................................................12
3.1.2
Snapper -Grouper Management Unit..................................................................................12
3.1.1
Spiny Lobster.......................................................................................................................13
3.2
ASMFC-Managed Species............................................................................................................15
3.3
NCDEQ-DMF Managed Species...................................................................................................16
4.0
POTENTIAL IMPACTS TO EFH..........................................................................................................16
4.1
Short-term and Temporary Impacts...........................................................................................16
4.2
Permanent and Long -Term Impacts...........................................................................................16
4.3
Managed Species Effects Determination....................................................................................17
4.3.1
NCDEQ-DMF Managed Species Impacts.............................................................................17
5.0
SUMMARY.......................................................................................................................................19
6.0
REFERENCES....................................................................................................................................19
LIST OF FIGURES
Figure1. Project Vicinity Map.......................................................................................................................4
Figure 2. Tubbs Inlet 1966 (Originally printed in Cleary & Marden, 1999)...................................................6
Figure 3. Tubbs Inlet 1974 (Originally printed in Cleary & Marden, 1999)...................................................6
Figure 4. South Jinks Creek, the Bay Area, and Feeder Channel Work Areas...............................................7
TOCIPage

Supplemental Essential Fish Habitat Assessment
LIST OF TABLES
Table 1. Dredge Template Description.........................................................................................................9
Table 2. EFH Types Present in the Project Area............................................................................................9
Table 3. Managed Species Potentially Present in the Project Area............................................................14
Table 4. Potential Short -Term and Long -Term Impacts to Project Area EFH Species................................18
APPENDIX A NMFS Correspondence
APPENDIX B Jinks Creek Shellfish Survey Report
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Supplemental Essential Fish Habitat Assessment
1.0 INTRODUCTION
This Supplemental Essential Fish Habitat Assessment (EFH) provides an update to the EFH dated
November 2018 and includes information on the beneficial placement of beach compatible
material to the nearshore environment, a change from the previous placement of material on the
oceanfront shoreline. As advised by NOAA staff in a June 30, 2020 scoping meeting, the Town
is reinitiating consultation to provide additional information on project changes.
The Town of Sunset Beach is proposing to maintenance dredge South Jinks Creek, the Feeder
Channel, inclusive of finger canals A-D, and the Bay Area in Sunset Beach, Brunswick County,
NC. Sunset Beach lies in Brunswick County, along the southern coastal border of North Carolina, adjacent
to Ocean Isle Beach. The proposed project will occur along the eastern border of Sunset Beach, within the
interior estuarine waters of Tubbs Inlet. Figure 1 shows the proposed project area in relation to Brunswick
County.
� arrsLow BAY
Brunswick County so urePo
RT SUPPLY
RB
SHALLOTTE
VARNA MWN I/kW�yy
SOUTEB'OAT
SUNSET BEACH K— ��� `� HOLDENBEACH OAKISLAND
SHALLOTI'E LOCKWOODS
INLET FOLLY INLET CASWELL REACH
OCEAN ISLE
BEACH
TDBBS LONG BAY
BYI.ET PROJECT AREA BALD BEAD ISLAND
a
A TLAN T I C O C E A N
Figure 1. Project Vicinity Map
The following analysis evaluates the potential for impacts to essential fish habitat to occur as a
result from the project. The Magnuson -Stevens Fishery Conservation and Management Act
(MSFCMA) (16 USC 1801 et seq.) requires the U.S. Secretary of Commerce to develop guidelines
assisting regional fisheries management councils on the identification and creation of management
and conservation plans for EFH. Each council is required to amend existing fisheries management
plans (FMP) to include EFH designations and conservation requirements. The Act also requires
federal agencies to consult with the Secretary of Commerce on all actions, or proposed actions,
authorized, funded, or undertaken by the agency that might adversely affect EFH.
The US Code (USC) defines EFH as "those waters and substrate necessary to fish for spawning,
breeding, feeding, or growth to maturity" (16 USC 1802(10)). "Waters" include aquatic areas and
their associated physical, chemical, and biological properties that are used by fish and may include
aquatic areas historically used by fish where appropriate. "Substrate" includes sediment, hard
4 IPage

Supplemental Essential Fish Habitat Assessment
bottom structures underlying the waters, and associated biological communities. "Necessary"
refers to the habitat that is required to support a sustainable fishery and the managed species'
contribution to a healthy ecosystem. "Spawning, breeding, feeding, or growth to maturity" covers
a species' full life cycle.
1.1 Summary of Proposed Project
South Jinks Creek comprises a portion of the Jinks Creek connector channel that extends from the
Atlantic Intracoastal Waterway (AIWW) to Tubbs Inlet and the Atlantic Ocean. The navigation
project will connect the Bay Area and Feeder Channel systems along the southeast portion of
Sunset Beach to south Jinks Creek. The Bay Area entails one (1) residential canal and the Feeder
Channel system includes one (1) main channel connected to four (4) residential finger canals
referenced as Canals A — D. The proposed project will help restore navigation access within these
systems while also helping to restore access along Jinks Creek's eastern most shoreline within the
Town's jurisdictional limits.
An estimated 40,500 cubic yards (CY) of beach compatible material will be dredged from S. Jinks
Creek, and an additional 48,600 CY of non -compatible material will be removed from the Feeder
Channel system and Bay Area. The beach compatible material will be hydraulically placed as
beneficial reuse in the nearshore along approximately 2,000-ft of shoreline seaward of 3rd Street
to 13th Street on Sunset Beach. The beneficial reuse material will be placed in an approximate
200-ft wide template in water depths ranging between approximately -9-ft to -13-ft MLW. The
final grade for the placed material will not exceed-6.0-ft MLW in height. While no State standards
exist for sediment compatibility for nearshore placement, the material has been determined to be
compatible with the characteristics of the immediately adjacent native beach. It can therefore be
assumed that the placement material is also compatible with the sediment characteristics of the
recipient nearshore area.
As proposed in the original permit application, the non -compatible material from the Feeder
Channel and Bay Area will be mechanically dredged and placed in a permitted upland landfill
facility.
South Jinks Creek, the Bay Area, and the Feeder Channel systems have been dredged previously,
with the original event occurring approximate to 1970 (Cleary & Marden, 1999). Figures 2 and 3
show aerial photographs from 1966 and 1974 depicting before and after conditions of the initial
dredging event. The initial dredging presumably occurred as part of a relocation project for Tubbs
Inlet and the development of Sunset Beach. The action occurred prior to 1974 and the
establishment of the Coastal Area Management Act (LAMA), so the action did not receive a
CAMA Major permit authorization.
The first maintenance event for the feeder channel system occurred in 1985 under CAMA permit
211-85 and a subsequent maintenance occurred in 2002 under CAMA permit 45-02. The proposed
action will be the first known maintenance event for south Jinks Creek and the Bay Area since the
initial dredging approximate to 1970.
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Supplemental Essential Fish Habitat Assessment
The proposed maintenance dredging will help establish and maintain a navigational channel for
access to the residential docks along the east end of Sunset Beach. Sediment runoff from storm
events has most likely impaired access through the Bay Area and Feeder Channel while shoaling
from sediment transport has impaired navigation in south Jinks Creek. As a result, the Town of
Sunset Beach has proposed the maintenance operations as part of a long-term management strategy
to maintain navigation access for small recreational vessels through the waterbodies. However,
future maintenance operations will be requested through separate permit applications.
Figure 2. Tubbs Inlet 1966 (Originally printed in Cleary & Marden, 1999)
Figure 3. Tubbs Inlet 1974 (Originally printed in Cleary & Marden, 1999)
Figure 4 provides a plan view of the proposed maintenance dredging project as described above.
The design template for the Feeder Channel follows the same alignment as proposed under permit
45-02 with small adjustments to avoid the existing marsh grass. In addition, the design depth for
the proposed action has been raised from -5.27 MLW to -5 MLW. Raising of the design depth
should help to simplify the construction process and reduce the potential for adverse impacts. The
dredging proposal includes a 1-ft allowable overdredge template to provide a buffer for
maneuvering the construction equipment within the work area. Therefore, the maximum dredge
depth in the Feeder Channel extends to -6-ft MLW, inclusive of the proposed 1-ft allowable
6I Page

Supplemental Essential Fish Habitat Assessment
overdredge template. Within the finger canals the maximum dredge depth raises to -5-ft MLW,
inclusive of the 1-foot overdredge tolerance.
The proposed template for the finger canals maintains a constant 20-ft width. This represents a
reduction from the 2002 permitted template, which provided a varying width between 20-ft & 30-
ft. The reduction in width helps provide adequate clearance between the proposed channel and the
existing residential docks. In many instances, the navigable waterway through finger canals A-D
remains even less than 20-ft wide. Therefore, the dredge equipment most likely will not be able to
access the full channel even with the reduced 20-foot width. Although the docks may be moved
by the private homeowners to help facilitate construction, expectations suggest the docks would
be returned to their original position after the maintenance event. Therefore, there would be little
public benefit in providing more than a 20-foot channel through the residential waterway.
Figure 4. South Jinks Creek, the Bay Area, and Feeder Channel Work Areas
The dredge template for the Bay Area initiates with an 80-ft width at the connection with South
Jinks Creek. The template reduces gradually to 20-ft progressing towards the Bay Area terminus.
The larger width proposed for the Bay Area entrance should help control sediment shoaling during
tidal influences by providing additional storage capacity within the dredge alignment. The template
decreases in width to approximately 40-ft roughly 800-ft into the Bay Area. The minimized
7 IPage

Supplemental Essential Fish Habitat Assessment
template helps reduce the potential for unexpected impacts while also attempting to balance the
navigational need of the Bay Area residents. The maximum dredge depth for the Bay Area matches
the Feeder Channel at -6-ft MLW for the complete system. The maximum dredge depth includes
the 1-ft overdredge allowance provided from the design depth (-5 MLW) for maneuvering the
dredge equipment. A summary of the dredge templates are provided in Table 1.
The dredge material from the Feeder Channel and Bay Area will be mechanically dredged and
trucked to a permitted landfill facility. Sediment tests show the material is not beach compatible
in accordance with the North Carolina Administrative Code (NCAC). As a result, the upland
landfill facility entails the most practical end use location identified for the dredge spoil. The
template for south Jinks Creek also maintains the -6 MLW maximum dredge depth. The south
Jinks Creek material meets the NCAC criterial for beneficial reuse and will be hydraulically
dredged and placed in the nearshore region between 3rd Street and 13th Street, approximately 600-
ft offshore of the MHW contour. The nearshore placement area is approximately 6,000-ft west of
Tubbs Inlet.
Placement operations will not be allowed to move east or back over an area that has already
received material without measuring the current material height. The material will not be placed
higher than -6-ft MLW at any time. If material accumulates at a stage higher than -6-ft MLW,
excess material shall be removed immediately and prior to advancing further with the placement
operations.
Hydrographic surveys shall be conducted before and after nearshore placement occurs. The
surveys shall be conducted in perpendicular and parallel directions to the beach. The surveys will
be used to verify material placement did not encroach above the -6-ft MLW contour. Any deviation
found where material placement occurs above the -6-ft MLW contour shall be remediated by
leveling the material with an excavator positioned on the barge or through other mechanical means.
Hydraulic dredging shall not be allowed as a measure to fix or remediate the material
accumulation.
The nearshore placement shall strive to maintain a placement density no greater than 25 CY per
foot of shoreline. This will provide a low -density placement option that allows the placed material
to blend into the existing contours within a six (6) to 18-month period. The low -density placement
will also help avoid visual impacts to the upland properties, as the material will disburse in the
nearshore zone and not accumulate along the beachfront. The material is anticipated to provide
additional storm protection, but the benefit should be minimal due to the low -density placement.
The maintenance dredging operations will be conducted during the months of November 16th thru
April 30th to reduce the potential for environmental impacts. In addition, the dredge footprint will
be minimized to provide a minimum 10-ft buffer from any coastal marsh identified at the time of
construction. The 6,500-ft hydraulic pipeline carrying the beneficial reuse material dredged from
S. Jinks Creek will also be positioned away from any established dune or beach vegetation. These
items are a few of the precautions proposed to help minimize the potential for environmental
impacts on this project.
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Supplemental Essential Fish Habitat Assessment
Table 1. Dredge Template Description
Existing
Proposed
Length
Width
Side Slope
Est.
Placement
Area
Avg. Depth
Depth
(ft)
(ft)
(H:V)
Volume
Location
(MLW-ft)
(MLW-ft)
(CY)Feeder
-3 MLW
3,500
30 — 40
3:1
22,000
Landfill
Channel
MLW)
-2 MLW
31200
20
3:1
10,700
Landfill
Can lFinger
MLW)
Bay Area
-2 MLW
MLW)
2,200
20 — 80
3:1
15,900
Landfill
S. Jinks
_ 1.5 MLW
-6 (-5+1)
1,750
100
5:1
40,500
Nearshore
Creek
MLW
TOTAL
1 10,650
Varies
Varies
89,100
Varies
2.0 ESSENTIAL FISH HABITAT
Pursuant to the MSFMCA (Public Law 94-265) and the 1996 amendments to the Act, known as
the Sustainable Fisheries Act (Public Law 104-297), an EFH consultation was requested by NOAA
Fisheries for the proposed project. As of the date of this supplemental EFH (August 2020), NOAA
National Marine Fisheries Service (NMFS) provided comments on August 2, 2019 that were taken
into consideration in the evaluation of the project's beach compatible sediment placement area.
For the North Carolina coast and Sunset Beach proj ect location, this requires that EFH be identified
for all fish species managed by the South Atlantic Fisheries Management Council (SAFMC), Mid -
Atlantic Fishery Management Council and the NMFS. The NMFS is the nation's federal trustee
for the conservation and management of marine, estuarine, and diadromous fishery resources.
This EFH assessment's objective is to determine whether the actions for the proposed project
"may adversely affect'' designated EFH for relevant managed fisheries species within the proposed
project area. Table 2 provides a list of EFH habitat types and their presence or absence in the
project area. Habitats are described in more detail in following sections.
Table 2. EFH Twes Present in the Proiect Area
EFH Type
Marine Unve etated Sandy Bottom
Oyster Reef and Shell Banks
Estuarine Emergent Wetlands
Aquatic Bed Tidal Freshwater
Estuarine Water Column/Creek
2.1 Marine Unvegetated Sandy Bottom
Regional sediment grain size influences the wind, wave, and tidal interactions that shape and
manage the development and movement of sub- and intertidal flats (SAFMC 1998a). These sub -
and intertidal EFH locations provide feeding grounds for predators and forage fish species as well
as refuge, juvenile nurseries, and feeding grounds for many species (SAFMC 1998a). Animals
9 IPage

Supplemental Essential Fish Habitat Assessment
that move from a pelagic larval to a benthic juvenile existence make use of these EFH flats for life
stage development. Species such as summer flounder, red drum, spotted seatrout (Cynoscion
nebulosus), striped mullet (Mugil cephalus), gray snapper (Lu Janus griseus), blue crab
(Callinectes sapidus), and shrimp use these marine/estuarine EFHs as nurseries. These flats also
serve as refuge areas for avoiding predators, which use the tide cycles for access to feeding
grounds.
Associated benthic species dominating NC's bays and sounds include bivalves, polychaetes, and
amphipods. The dominant coastal research indicator species include mole crabs (Emerita
talpoida), coquina clams (Donax variabilis, D. parvula), some amphipods (Haustoriids), and
polychaetes (mostly Capitella capitata and Scolelepis squamata), all of which can be found in
NC's intertidal beaches (Peterson et al. 2006, 2000a, and 2000b; Street et al. 2005; and USFWS
2002). Most oceanfront shoreline benthic species are found in the substrate's upper 3.3 ft.
maximizing oxygen concentrations, pore space, and variable grain sizes (USFWS 2002).
2.2 Oyster Reef and Shell Banks
Shell bottom habitats include oyster reefs, aggregations of non -reef building shellfish species [e.g.,
clams and scallops (Argopecten irradians, A. gibbus)], and surface concentrations of broken shells
(shell hash). Oysters (Crassostrea virginica) are the dominant reef -building species of estuarine
shell bottom habitats in North Carolina. Non -reef building shellfish species that occur at densities
sufficient to provide structural habitat for other organisms include scallops, pen shells (Atrina
seratta, A. rigida), and rangia clams (Rangia cuneata) (SAFMC 2009). The distribution of shell
bottom and other estuarine benthic habitats in the vicinity of the proposed project has been mapped
and quantified by the NCDMF in collaboration with Moffatt and Nichol (Appendix A — Jinks
Creek Shellfish Survey Report). Mapped areas are concentrated in the northern portion of Jinks
Creek. Shell bottom habitats perform several important ecological functions such as water
filtration, benthic-pelagic coupling, sediment stabilization, and erosion reduction (Deaton et al.
2010, SAFMC 2009, and Coen et al. 2007). Oysters and other suspension feeding bivalves reduce
turbidity in the water column by filtering particulate matter, phytoplankton, and microbes. The
consumption of particulates also results in the transfer of material and energy from the water
column to the benthic community (i.e., benthic-pelagic coupling). Shell bottom structural relief
alters currents and traps and stabilizes suspended solids, thus further reducing turbidity. By
moderating waves and currents, oyster reefs and other shell bottom habitats reduce shoreline
erosion.
The hard surfaces provided by existing oyster reefs and shell hash function as important larval
settlement and accumulation sites for recruiting oysters, hard clams, and other shellfish (NCDMF
2008). Studies summarized by Deaton et al. (2010) have described the importance of shell bottom
as foraging, spawning, and nursery habitat for numerous species of invertebrates and fish. Shell
bottom structure concentrates macroinvertebrates [e.g., grass shrimp (Palaemonetes spp.) and mud
crabs (Scylla spp.)] and small forage fishes (pinfish and gobies), which in turn attract larger
predatory fish such as Atlantic croaker, black drum, pigfish, southern and summer flounder, and
spotted seatrout. Shell bottom habitats are utilized as spawning areas by a number of finfish and
decapod crustaceans; including anchovies, blennies (Blennidae), gobies, mummichog (Fundulus
heteroclitus), oyster toadfish (Opsanus tau), sheepshead minnow (Cyprinodon variegatus), grass
shrimp, and blue crab. Numerous finfish and decapod crustaceans also utilize shell bottom habitats
as a nursery area; including anchovies, black sea bass, blennies, gobies, oyster toadfish, pinfish,
10 IPage

Supplemental Essential Fish Habitat Assessment
red drum, sheepshead, spot, weakfish, penaeid shrimp, blue crabs, and stone crabs (Menippe
mercenaria).
2.3 Estuarine Emergent Wetlands
Estuarine Emergent Wetlands includes all tidal wetlands dominated by erect, rooted, herbaceous
hydrophytes (excluding mosses and lichens). These wetlands occur in tidal areas where salinity
due to ocean -derived salts is equal to or greater than 0.5 percent and that are present for most of
the growing season during most years. Perennial plants usually dominate these wetlands and
vegetation cover is typically above 80 percent. These wetlands are typically dominated by marsh
grasses such as Spartina species, needlerush (Juncus spp.), and narrow leaved cattail (Typha
angustifolia). Estuarine emergent wetlands are nutrient -rich with high primary productivity,
allowing these habitats to support a diversity of fish, invertebrates, and coastal birds. Managed fish
species use these marshes during multiple life stages because they provide nursery habitat for
juveniles and foraging habitat for adults. Estuarine emergent wetland habitat is expected on the
fringe of the channels, near the marsh.
2.4 Aquatic Bed (Tidal Freshwater)
Aquatic bed habitats in the project area include the soft bottom substrate occurring in Sunset
Beach. This habitat type is comprised of sand as well as inorganic muds, organic muds, and peat.
Nutrients are typically provided by riverine sources and transported via wind tides in addition to
lunar tidal exchange. The abundance of benthic macroalgae in this habitat supports a high diversity
of invertebrates that are an important fishery food source.
2.5 Estuarine Water Column/Tidal Creeks
The estuarine water column extends from the estuarine bottom to the surface waters and is
especially important as it directly affects all other estuarine aquatic habitats (NCWRC, 2005). This
habitat is characterized by the oligohaline (estuarine) waters present in Sunset Beach with
seasonally variable salinity levels. Distinct zones within the water column can be defined by
parameters such as salinity, temperature, and dissolved oxygen. Water column zonation
continually fluctuates and is a function of tidal dynamics, season, nutrient levels, and ocean
proximity. Fish and shellfish often exploit distinct resources within the water column based on
species -specific diet, behavior, and morphology. For example, pelagic fishes live higher in the
water column compared to demersal fishes, which are bottom dwelling. These distinct types of
fishes have adapted to take advantage of these differing habitats, and favorable spawning and
feeding conditions occur at varying locations at differing times of the year.
2.6 Primary Nursery Areas
While not a single specific EFH type, Primary Nursery Areas (PNA) are composed of several EFH
types and are state -designated waters that are used by marine and estuarine fishes and invertebrates
during early development. Nursery areas are designated and regulated by the North Carolina
Division of Marine Fisheries (NCDMF) and North Carolina Wildlife Resources Commission
(NCWRC) in some areas. The State of North Carolina has not designated the project area as a
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Supplemental Essential Fish Habitat Assessment
PNA, although the project includes elements of PNA including shallow waters with soft bottom
substrate that are surrounded by marshes and wetlands. The abundance of refuge, foraging habitat,
and food resources present in these areas result in the successful development of many sub -adult
organisms (Beck et al., 2001). Nursery areas are also considered HAPC for several managed fish
species. Marshes adjacent to the channels, not including the channels in consideration for this EFH
assessment, have been designated as primary nursery areas.
3.0 MANAGED SPECIES
Multiple environmental agencies have interest in the potential impacts dredging projects may
cause. The primary resource organizations include the following:
■ South Atlantic Fisheries Management Council (SAFMC)
■ National Marine Fisheries Service (NMFS)
■ Atlantic States Marine Fisheries Commission (ASMFC)
■ North Carolina Division of Marine Fisheries (DMF)
The following provides a discussion on the species managed by each agency with a potential
presence of EFH within the project area.
3.1 SAFMC and NMFS-managed Species
SAFMC have developed FMPs for several species, or species units (SAFMC, 2008), although not
all of these species are found in the project area. Highly migratory species' FMPs and Atlantic
billfish FMPs were developed by the Highly Migratory Species Management Unit, Office of
Sustainable Fisheries, NMFS (NMFS, 1999, 1999a, 1999b; NOAA, 2016). As part of each FMP,
the council designates not only EFH, but also High Areas of Potential Concern (HAPC), a subset
of EFH that refers to specific locations required by a life stage(s) of that managed species. Table
3 presents the species or species units potentially present in the project area for which EFH and/or
HAPC exist.
3.1.1 Penaeid Shrimp (Penaeus spp.)
Penaeid shrimp (white, pink, and brown shrimp) are estuarine -dependent species of commercial
and ecological significance. Penaeid shrimp spawn offshore where both larval and post -larval
development occurs. Currents carry post -larval shrimp into estuaries, where they are distributed
based on salinity and substrate preferences. As shrimp grow, they migrate to higher salinity areas
before returning to offshore spawning areas. All tidal and estuarine waters within the project area,
including estuarine emergent wetlands and aquatic beds, are designated as EFH for penaeid
shrimp.
3.1.2 Snapper -Grouper Management Unit
The Snapper -Grouper Management Group includes more than 70 species that are managed by the
SAFMC. Atlantic Spadefish, and Black Sea Bass are species within this group that have been
documented near or within the project area. Atlantic Spadefish are opportunistic bottom feeders
that utilize a variety of brackish water and nearshore habitats. Spawning occurs from May to
September and juveniles are typically found in estuarine waters while adults are typically found in
12 IPage

Supplemental Essential Fish Habitat Assessment
nearshore areas. Atlantic Spadefish have been documented in local fishing reports in or near the
project area.
The Black Sea Bass is a demersal species found from Maine to Florida that are opportunistic
feeders and accept a variety of food sources. As juveniles and adults, this species is associated
with submerged structures in estuarine and marine waters. Spawning occurs offshore from May to
October along the continental shelf in an area extending from southern New England to North
Carolina. Eggs are generally hatched on the continental shelf near large estuaries, but eggs have
also been found in bays in North Carolina. Juvenile Black Sea Bass enter estuaries during late
spring and early summer to forage on invertebrate prey and small fish. This species is typically not
found in the project area, but fishing reports from NCDEQ-DMF have shown presence of this
species in the last 10 years. All tidal and estuarine waters, including emergent wetlands, and
estuarine water column habitat are designated EFH for this species.
3.1.1 Spiny Lobster
Spiny Lobster have EFH for all life stages within the project area. EFH includes estuarine water
column/creeks, aquatic bed, and SAV (NOAA, 2016). The Spiny Lobster larvae are typically
found in open ocean in the epipelagic zone of the Caribbean Sea, Gulf of Mexico, and the Straits
of Florida. Post -larvae and juveniles occupy shallow waters of bays, lagoons, and reef flats,
habitats supported by the production of seagrasses, benthic algae, phytoplankton, and detritus. As
the lobsters increase in size, they move towards deeper waters in bays, reefs, and nearshore areas.
As adults, they can be found in deeper waters both nearshore and offshore.
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Supplemental Essential Fish Habitat Assessment
Table 3. Managed Species Potentially Present in the Project Area
Life Stages Present in
Species Present
Project Area
Designated EFH in Project Area
HAPC in Project Area
South Atlantic Fisheries Management Council (SAFMC)
Penaeid Shrimp
Larvae, Juveniles,
Estuarine Water Columa/Creeks, Aquatic
Estuarine Water Column/Creeks, Aquatic
(Penaeus spp.)
Adults
Beds, Estuarine Emergent Wetlands
Beds, Estuarine Emergent Wetlands
Snapper -Grouper
Larvae, Juveniles,
Estuarine Water Column/Creeks, Estuarine
Estuarine Water Column/Creeks,
Management Unit
Adults
Emergent Wetlands
Estuarine Emergent Wetlands
Spiny Lobster
Eggs, Larvae,
Estuarine Water Column/Creeks, Aquatic
Estuarine Water Column/Creeks, Aquatic
(Panuhrus argus)
Juveniles, Adults
Beds, Estuarine Emergent Wetlands
Beds, Estuarine Emergent Wetlands
Coastal Migratory Pelagic
Larvae, Juveniles,
Estuarine Water Column/Creeks, Aquatic
Estuarine Water Column/Creeks, Aquatic
Species
Adults
Beds
Beds
Atlantic Highly Migratory Species (HMS) National Marine Fisheries Service (NMFS)
Blacktip Shark
Juveniles, Adults
Estuarine Water Column/Creeks
None
(Carcharhinus limbatus )
Sandbar Shark
Juveniles, Adults
Estuarine Water Column/Creeks
None
(Carch arh in us p lumb eus )
Spinner Shark
Neonates, Juveniles,
Estuarine Water ColuTrm/Creeks
None
(Carcharhinus brevipinna )
Adults
Tiger Shark
Neonates, Juveniles,
Estuarine Water Column/Creeks
None
(Galeocerdo cuvier)
Adults
Blacknose Shark
Neonates, Juveniles
Estuarine Water Column/Creeks
None
(Carch arh in us a cron o tus )
Bonnethead Shark
Estuarine Water Column/Creeks, Aquatic
Juveniles, Adults
Beds
None
(Sphyrna tiburo)
Atlantic Sharpnose Shark
Neonates, Juveniles,
Adults
Estuarine Water Column/Creeks
None
( Rhizoprionodon terraenovae)
Smooth Dogfish Shark
Neonates, Juveniles,
Estuarine Water Column/Creeks
None
(Mustelus canis )
Adults
Dusky Shark
Neonates, Juveniles,
Estuarine Water Column/Creeks
None
(Carcharhinus obscurus )
Adults
Sand Tiger Shark
Neonates, Juveniles,
Estuarine Water Column/Creeks
None
(Carcharhinus taurus)
Adults
Source: SAFMC, 2008; NMFS, 1999, 1999a, 1999b; NOAA, 2006, 2009, 2016
3.1.2 Coastal Migratory Pelagic Species
Coastal Migratory Pelagic species found near the project area are the Spanish Mackerel and King
Mackerel. Spanish Mackerel and King Mackerel spawn from May to September (SAFMC, 1998),
with eggs and larvae using pelagic habitats and juveniles moving into estuaries for use as nursery
areas. While typically not found in oligohaline waters, these Mackerels do occur in the area based
14 IPage

Supplemental Essential Fish Habitat Assessment
on commercial fishing data. Estuarine water column/creek habitats are designated as EFH by
SAFMC in the management of this unit because prey items for species in this unit are typically
estuarine dependent. There are no HAPCs designated by SAFMC for these Mackerels in the
project area.
3.1.3 Highly Migratory Species
The Blacktip Shark inhabits circumtropical waters that are shallow as well as offshore surface
waters. The coastal islands of the Carolinas are prime nursery areas due to the variety of habitat
conditions available at the shallow water depths. Sandbar Sharks are a slow growing species,
utilizing shallow coastal waters for its nurseries, until migrating to deeper waters. The Spinner
Shark is a migratory species common to coastal -pelagic waters. EFH presents nursery areas to
reproduce and rear the young. Tiger Sharks are both shallow coastal water and deep oceanic
inhabitants utilizing EFH for refuge during their year -long gestation periods. Blacknose Sharks are
common to coastal waters creating nursery areas for the reproducing females and young in shallow
waters. The Bonnethead Shark is a fast-growing species, reproducing each year; this species is
abundant in the shallow, coastal waters of the Atlantic. The females and young are found in
estuarine waters often for the variety of habitat and food resources available. Atlantic Sharpnose
Sharks are smaller in size, common in the waters along the coasts of the Carolinas. Often these
sharks tend to congregate in schools of uniform sex and size. EFH is utilized as nursery areas for
neonates and pups. The Smooth Dogfish Shark is a migratory species, moving north to south in
the Atlantic Ocean. It is small in size, inhabiting estuarine, shallow waters to feed on the variety
of food resources available. Dusky Sharks are a larger, migratory species, moving north to south
depending on the season. These sharks inhabit inshore waters as well as outer reach of the
continental shelf. EFH is prime nursery areas for births occurring in the spring months. The Sand
Tiger Shark prefers very shallow waters, common to the inshore estuarine waters of the Carolinas.
These sharks reproduce in warmer, temperate waters, followed by neonates migrating northward
to summer nurseries.
3.2 ASMFC-Managed Species
The Atlantic States Marine Fisheries Commission (ASMFC) coordinates additional conservation
and management of states' shared nearshore fishery resources (ASMFC, 2017). Member states
include North Carolina, South Carolina, Georgia, Florida, Virginia, Maryland, Delaware,
Pennsylvania, New Jersey, Connecticut, Rhode Island, Massachusetts, New Hampshire, and
Maine. Species managed by the ASMFC that are found in the waters off Sunset Beach include:
American Eel (Anguilla rostrata), Atlantic Croaker (Micropogonias undulates), Atlantic
Menhaden (Brevoortia tyrannus), Atlantic Striped Bass (Morone saxatillis), Atlantic Sturgeon
(Acipenser oxyrhynchus), Black Drum (Pogonias cromis), Black Sea Bass (Centropristis striates),
Bluefish (Pomatomus saltatrix), Red Drum (Sciaenops ocellatus), Blueback Herring (Alosa
aestivalis), American Shad (Alosa sapidissima), Spanish Mackerel (Scomberomorus maculatus),
Spot (Leiostomus xanthums), Spotted Seatrout (Cynoscion nebulosus), Summer Flounder
(Parlichthys dentalus), and Weakfish (Cynoscion regalis).
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Supplemental Essential Fish Habitat Assessment
3.3 NCDEQ-DMF Managed Species
The Fisheries Reform Act of 1997 (FRA) prompted NCDEQ-DMF to begin the process of
developing FMPs for all commercially or recreationally important species and fisheries that are
present in state marine or estuarine waters, with the goal of ensuring the long-term sustainability
of these fisheries (NCDEQ-DMF, 2001). Species with existing or in -development management
plans include: Bay Scallop (Argopecten irradians), Blue Crab (Callinectes sapidus), Estuarine
Striped Bass (Morone saxatilis), Hard Clam (Mercenaria mercenaria), Kingfish (Menticirrhus
americanus), Oyster (Crassostrea virginica), Red Drum (Sciaenops occelatus), River Herring
(Alosa pseudoharengus), Shrimp (Penaeus spp.), Southern Flounder (Achiropsettidae), Spotted
Seatrout (Cynoscion nebulosus), and Striped Mullet (Mugil cephalus).
4.0 POTENTIAL IMPACTS TO EFH
Potential impacts to EFH may occur as short-term / temporary measures or they may provide
permanent or long-term measures. The discussion below illustrates the potential impacts
considered likely as a result of the project. The discussion provides avoidance and minimization
efforts planned for the project to help alleviate the potential damage.
4.1 Short-term and Temporary Impacts
Construction activities will produce noise, turbidity, and siltation, thereby creating short-term,
localized impacts to EFH identified in the Feeder Channel system, Bay Area, South Jinks Creek,
nearshore placement area and possibly to targeted management species. Dredging activities could
create a short-term decrease in dissolved oxygen. Many, if not all, of the fish species with EFH
within the project area would be expected to escape the area during construction activities, and
construction disturbances would not be expected to be lethal to any fish species with EFH within
the project area.
At the ecosystem level, increased turbidity could result in temporary, reduced ecosystem
productivity (ability of the ecosystem to produce and export energy) and nursery value by
elimination of organisms that cannot easily flee construction activities, and the displacement of
mobile organisms. For individual organisms, turbidity can impair visual predation success,
predator avoidance, and an organism's ability to take in oxygen through clogging of respiratory
organs. Siltation could alter invertebrate animal communities within the project area. Again, these
potential impacts are expected to be short-term and temporary in nature. Mobile animals would
likely avoid the area during the construction phase, but likely return once construction is complete
and pre -construction conditions return.
Nearshore placement of beach compatible material will physically cover benthic organisms;
however, it is likely these communities will recover rapidly post -construction due to the transient
nature of sediment movement in the nearshore environment. Most benthic communities are
resilient and recolonize quickly after short-term impacts (Ellis, 2009; Dernie 2003). In addition,
the dredging activities will occur within the environmental window of November 16th through
April 30th, outside the general spawning and migration period for most EFH species.
4.2 Permanent and Long -Term Impacts
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Supplemental Essential Fish Habitat Assessment
While dredging construction activities and placement of dredged material will create short-term
and localized impacts on EFH within the project area, long-term and permanent impacts are
expected to be minimal for the Preferred Alternative. The Feeder Channel system and Bay Area
have previously been dredged multiple times dating back to approximately 1970 without
noticeable long-term or permanent impacts.
4.3 Managed Species Effects Determination
The maintenance dredging of the Feeder Channel, Bay Area and South Jinks Creek should create
minimal localized and short-term effects within the project. Most species are mobile and should
be able to avoid the construction activities. This section evaluates impacts to SAFMC, NMFS, and
NCDEQ-DMF managed species, but does not included an evaluation of impacts to ASMFC-
managed species. ASMFC is primarily a deliberative body, coordinating the conservation and
management of states' shared fishery resources.
In general, short-term impacts include potential mortality in earlier life stages for managed species,
and some limited displacement and habitat disturbance in later life stages. Long-term impacts are
minimal and generally involve the potential disruption of dispersion of early life stage populations
(larval and juvenile individuals) within the Feeder Channel and Bay Area. Table 4 provides a
summary of both short-term and long-term potential impacts for SAFMC, and NMFS-managed
species within the project area.
4.3.1 NCDEQ-DMF Managed Species Impacts
In addition to the SAFMC and NMFS-managed EFH species, NCDEQ-DMF has developed, or is
in the process of developing, FMPs for many species found in North Carolina waters, including
Bay Scallop, Blue Crab, Estuarine Striped Bass, Hard Clam, Kingfish, Oyster, Red Drum, River
Herring, Shrimp, Southern Flounder, Spotted Seatrout, and Striped Mullet. Potential impacts to
Red Drum, Kingfish, River Herring, Estuarine Striped Bass, Hard Clams, Bay Scallops, Oysters,
Blue Crabs, and Striped Mullet are addressed below.
The Red Drum is an estuarine -dependent species with foraging areas throughout Sunset Beach
waters. Red Drum typically arrive in the area in the spring, with a second arrival often occurring
in the fall as fish begin a southerly migration from the Mid -Atlantic States. Both juvenile and adult
Red Drum may occur in the project area but are mobile enough to avoid construction activities.
Kingfish have a similar life history to Red Drum. Juveniles and adult kngfish may occur in the
project area, but are a highly mobile species, therefore impacts will be minimal.
River Herring and Estuarine Striped Bass are anadromous (move from the ocean to freshwater to
spawn) fish whose adult life stages live in lower estuaries and marine waters. Juveniles and adults
are mobile enough to avoid construction disturbance in the project area.
Potential impacts to Hard Clams include increased short-term turbidity and siltation that could
clog the respiratory and feeding structures of these bivalve mollusks; limited mortality may
occur. Based on the shellfish survey conducted by the Town (Appendix B), it is estimated to be
approximately 50,000 oysters in Jinks Creek at a density of 1,131 oysters per acre. It was
estimated that there would be direct impacts to approximately 13,000 oysters with the original
17 IPage

Supplemental Essential Fish Habitat Assessment
dredging footprint. The Town eliminated dredging within the northern part of Jinks Creek to
avoid disturbance of 9.0 acres of undisturbed soft bottom/subtidal EFH.
Table 4. Potential Short -Term and Long -Term Impacts to Project Area EFH Species
Species
Impact
Eggs
Larvae
Juveniles
Adults
ype
Penaeid
Short -Term
N/A
Mortality from construction; Displacement
Displacement and
Impacts
and habitat disturbance
habitat disturbance
Shrimp
(Penaeus
Long -Term
Limited potential
spp.)
Impacts
N/A
disruption of dispersion in
N/A
waters of Sunset Beach
Snapper-
Short -Term
N/A
Mortality from construction; Displacement
Displacement and
Impacts
and habitat disturbance
habitat disturbance
Grouper
Management
Long -Term
Limited potential
N/A
Unit
Impacts
N/A
disruption of dispersion in
waters of Sunset Beach
Short -Term
Mortality from construction
Mortality, displacement and habitat
Impacts
disturbance
Spiny
Lobster
Long -Term
Limited potential disruption of
Impacts
dispersion in waters of Sunset
N/A
Beach
Coastal
Short -Term
N/A
Mortality from
Displacement and habitat disturbance
Impacts
construction
Migratory
Pelagic
Long -Term
Limited potential
Species
Impacts
N/A
disruption of dispersion in
N/A
waters of Sunset Beach
Highly
Short -Term
N/A
Displacement and habitat disturbance
Migratory
Impacts
Species
(Sharks,
Long -Term
N/A
Tuna,
Impacts
Swordfish
Impacts to Oysters and Bay Scallops are expected to be like those experienced by Hard Clam
populations. However, no Bay Scallops were observed during a field visit in July of 2017 and the
sites surveyed did not contain live oyster populations.
Blue Crabs occupy various marine and estuarine habitats throughout their life cycle. Mating occurs
in estuaries, followed by spawning near coastal inlets from April to June and August to September
in North Carolina. Weather, water quality conditions, proximity to inlets, hours of dark flood tide,
and wind direction may impact breeding productivity in Blue Crabs. Short term impacts may occur
to eggs and larvae from turbidity and siltation. Juveniles and adults are mobile and would be able
to escape construction disturbance.
Striped Mullet is a catadromous (move from freshwater to the ocean to spawn) species that live in
fresh and estuarine waters until moving to high salinity estuarine and nearshore marine waters to
18 IPage

Supplemental Essential Fish Habitat Assessment
spawn in winter and early spring. Larvae develop in marine offshore environments, and would not
be present within Sunset Beach waters. Immature Striped Mullet move to estuaries during the
winter and generally occupy estuarine waters until spawning. Juveniles and adults may be present
near the project area, but are mobile and would be minimally impacted by turbidity, siltation, and
noise resulting from construction activities.
5.0 SUMMARY
The maintenance dredging of the Feeder Channel and Bay Area, proposed dredging in south Jinks
Creek and placement of beach compatible material in the nearshore of Sunset Beach could likely
result in primarily short-term, localized, and temporary adverse effects to EFH and managed
species. However, the avoidance of dredging within northern Jinks Creek and ensuring
construction measures proposed should keep temporary and localized impacts to a minimum.
The proposed maintenance dredging project should not create any permanent, long-term impacts
to federally- or state -managed species or EFH. Short-term impacts will include increased localized
turbidity, siltation, and noise from construction activities, but most managed species found in this
area are highly mobile and likely be able to escape construction disturbance temporarily,
eventually returning to the area post -construction. Similarly, impacts to EFH areas such as the
water column, benthic substrate, and emergent wetlands may experience short term impacts which
will recover over time. Limiting the dredging activities from November 16th through April 30th
should also limit the potential for impacts to occur.
The Town of Sunset Beach will implement construction and physical monitoring efforts to
document the project performance. Since nearshore placement remains a rare or infrequent practice
for non-federal entities, the monitoring results may assist in guiding future projects. Turbidity
monitoring shall be conducted during the construction efforts and physical monitoring will help
confirm the long-term project performance.
6.0 REFERENCES
Atlantic States Marine Fisheries Commission (ASMFC). 2017. Fisheries Management. Available
at hM2://www.asmfc.org/fisheries-mana eg ment/program-overview. Accessed July 2017.
Beck, M.W., K.L. Heck, Jr., K.W. Able, D.L. Childers, D.B. Eggleston, B.M. Gillanders, B.
Halpern, C.G. Hayes, K. Hoshino, T.J. Minello, R.J. Orth, P.F. Sheridan, and M.P.
Weinstein. 2001. "The Identification, Conservation, and Management of Estuarine and
Marine Nurseries for Fish and Invertebrates." Bioscience. 51(8):633-641.
Cleary, W. J. and Marden, T. P. 1999. Shifting Shorelines: A Pictorial Atlas of North Carolina
Inlets. North Carolina Sea Grant. Raleigh, North Carolina.
Dernie, K.M., M.J. Kaiser, and R.M. Warwick. 2003. "Recovery rates of benthic communities
following physical disturbance." Journal ofAnimal Ecology. 72:1043-1053.
Ellis, B.O. 2009. "Year Five (Final) Submersed Aquatic Vegetation Survey, Currituck Sound,
Whalehead Bay-Currituck Heritage Park." Memorandum to John Hennessy,
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Supplemental Essential Fish Habitat Assessment
Environmental Supervisor, National Park Service, Assistance and Compliance Oversight
Unit.
North Carolina Department of Environmental Quality Division of Marine Fisheries (NCDEQ-
DMF). 2001. Fishery Management Plans: Under Review or Completed. Available at
http://portal.ncdenr.org/web/mf/fmps-under-development. Accessed July 2017.
North Carolina Wildlife Resources Commission. 2005. North Carolina Wildlife Action Plan.
Available at
hqp://www.ncwi ldli fe. org/Portals/0/Conserving/documents/Acti onPlan/WAP_complete.p
df. Accessed July 2017.
National Marine Fisheries Service (NMFS). 1999. Essential fish habitat: A marine fish habitat
conservation mandate for federal agencies. Revised 08/04. NMFS, Habitat Conservation
Division, Southeast Regional Office, St. Petersburg, Florida.
NMFS. 1999a. Final fishery management plan for Atlantic tuna, swordfish, and sharks, including
the revised final environmental impact statement, final regulatory impact review, the final
regulatory flexibility analysis, and the final social impact assessment. Highly Migratory
Species Management Division, Office of Sustainable Fisheries, National Marine Fisheries
Service, Silver Springs, Maryland.
NMFS. 1999b. Amendment 1 to the Atlantic billfish fishery management plan, including the
revised final environmental impact statement, the final regulatory impact review, the final
regulatory flexibility analysis, and the final social impact assessment. Highly Migratory
Species Management Division, Office of Sustainable Fisheries, National Marine Fisheries
Service, Silver Springs, Maryland.
National Oceanic and Atmospheric Administration (NOAA). 2006. Consolidated Atlantic Highly
Migratory Species Fishery Management Plan; Appendix B: Essential Fish Habitat.
Available at:
http://www.fisheries.noaa. gov/sfa/hms/documents/fmp/consolidated/feis_appendixb.pdf.
Accessed July 2017.
NOAA. 2009. Final Amendment 1 to the 2006 Consolidated Atlantic Highly Migratory Species
Fishery Management Plan, Essential Fish Habitat. National Oceanic and Atmospheric
Administration, National Marine Fisheries, Office of Sustainable Fisheries, Highly
Migratory Species Management Division, Silver Springs, Maryland. Public Document pp.
395.
NOAA. 2016. Amendment 10 to the 2006 Consolidated HMS Fishery Management Plan: Essential
Fish Habitat. Available at
http://www.nmfs.noaa.gov/sfalhms/documents/fmp/am10/index.html. Accessed July
2017.
South Atlantic Fishery Management Council (SAFMC). 1998. Final Habitat Plan for the South
Atlantic Region: Essential Fish Habitat Requirements for Fishery Management Plans of
the South Atlantic Fishery Management Council. The Shrimp Fishery Management Plan,
the Snapper -Grouper Fishery Management Plan, the Coastal Migratory Pelagics Fishery
Management Plan, the Spiny Lobster Fishery Management Plan, Charleston, South
20 IPage

Supplemental Essential Fish Habitat Assessment
Carolina: South Atlantic Fishery Management Council, 457 p. plus Appendices and
Amendments. Available at http://www.safmc.net/resource-library/fishery-mana eg ment-
plans-amendments. Accessed: July 2017.
SAFMC. 2008. Fishery Management Plans. Available at hllp://safmc.net/fishea-managment-
plans-amendments/. Accessed: July 2017.
21 IPage

PA
0155
United States Department of the Interior
FISH AND WILDLIFE SERVICE
Raleigh ES Field Office
Post Office Box 33726
Raleigh, North Carolina 27636-3726
July 29, 2019 ZQlq
Mr. Tyler Crumbley ' r1 U.
Project Manager r'
Wilmington District, Corps of Engineers
69 Darlington Avenue
Wilmington, NC 28403-1343
Subject. Town of Sunset Beach; Dredging of South Jinks Creek and Feeder Channels and
Canals, with Sand Placement
Action 1D No. SAW-2019-01 IS5
Dear Mr. Crumbley:
This letter is,in,teference.to your_July-3, 2019 email, requestiug comments on.thepermit, ..
applications for the Town..of Sunset Beach, Brunswick County, North Carolina,, The,Town hasp
applied fora programmatic Coastal Area Management. Art-.U.S. Army Corps of -.Engineers
(..CA,, MA -Corps) permit to dredge Canals A-D, the Feeder Channel, Bay Area and all -area of
South Jinks Creek on the east end of Sunset Beach, with beneficial placement on 1,600 linear
feet (if) of ocean shoreline in Sunset Beach.
A biological assessment (BA) was provided in the email, along with other project information.
For the sand placement portion of the project, the applicant proposes to comply with all.
conservation measures, reasonable and prudent measures (RPMs) and terms and conditions
(T&Cs) of the August 28, 2017 Statewide Programmatic Biological Opinion for North, Carolina
Beach Sand Placement (SPBO), particularly the "B set" of RPMs and T&Cs:. However, the
applicant and Corps made a determination of No Effect (NE) or May Affect, Not Likely to
Adversely Affect (MANLAA) for'all of the species covered under the SPBO. The Service does
not concur with any of those deterininations, due to the potential for take, but we acknowledge
that the take would.be covered by the SPBO. We recommend that the BA be -corrected to
indicate that the project May Affect, and is Likely to Adversely Affect (MALAA) all five sea
turtle species, red:knot, piping plover, and seabeach amaranth. For these eight -species; the.BA
should state `.`MALAA, and relying on findings of the August 28, 2017 Statewide Programmatic
Biological Opinion for North Carolina Beach Sand Placement to.fulfill our project.:specific
Section 7 responsibilities."'

0156
2
In addition, the BA does not provide any species occurrence data for red knot, piping plover, or
seabeach amaranth. The BA also does not provide any information on nesting shorebirds in the
Action Area, though American oystercatcher and Wilson's plover are known to nest on the south
side of Tubbs Inlet. The BA does `not explain why the "B set" of RPMs,. T&Cs are proposed to
be followed, instead of the "A set." The SPBO has two sets ofR-PMs and T&Cs. The "A set" is
for traditional sand placement projects, primarily for shore protection:. These projects are usually
larger -scaled, but not always.. The `B set" is intended for sand placement events associated with
navigation maintenance dredging projects which have no local sponsor, are smaller -scaled,
conducted at closer time intervals, and the sand often does not remain on the beach for an
extended period of time. This project does not fit many of those descriptors, as "maintenance"
dredging has not been conducted since 2002 (or in -the case of the material proposed for beach
placement, since the 1970s). The project does have; a local sponsor, and is not proposed to be
conducted at additional intervals in the future. There is no erosion history to indicate how long
the material is expected to stay on the beach. The only -descriptor that this project meets is
"smaller -scaled," since the beneficial sand disposal area is only 1,600 If The "B set" of RPMs
and T&Cs omits several RPMs and T&Cs which we believe. are important for this project,
including those pertaining to piping plovers, red knots, and nesting shorebirds.
Service Recommendations
It is clear from the July 3, 2019 email that the applicant has proposed to conduct the work
in accordance with the SPBO, but no action is proposed in that r'egard by the Corps. The
Corps should notify the Service in writing of its intent to cover4he project using the
SPBO, request agieemeiit, and request that this project be appended to the SPBO,
2. Please revise the BA to state that the project May Affect, and is Likely to Adversely
Affect (MALAA) all five sea turtle species, red knot, piping plover, and seabeach
amaranth, For these eight species, the BA should state "MALAA, and relying on
findings of the August 28, 2017 Statewide Programmatic Biological Opinion for North
Carolina Beach Sand Placement to fulfill our project -specific. Section 7 responsibilities."
3. The Service will agree to the application of the "B set" of RPMs and T&Cs for this
project, as. long as the Corps includes a permit condition. to require close coordination
with the Service and North Carolina Wildlife Resources Commission (NCWRC) on the
pipeline route and other potential impacts to wintering and nesting shorebirds and their
habitat. This coordination may result in recommendations to avoid work after March 3 1,
since shorebird breeding activities may begin in early April, If the project is ongoing and
shorebirds begin territorial or other nesting behaviors within the project area, then the
Corps or Permittee must contact the Service and NCWRC as soon as possible,

SUPPLEMENTAL BIOLOGICAL ASSESSMENT
Town of Sunset Beach - Navigation Project
Maintenance Dredging of South Jinks Creek,
the Bay Area & the Feeder Canal
Prepared by: Prepared for:
Abiq
MOFFATT & NICHOL
238 Princess Street
700 Sunset Blvd. N.
M
Wilmington, NC 28401
Sunset Beach. NC 28468
November 2018
Revised August 2019 and August 2020

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Biological Assessment
TABLE OF CONTENTS
1.0 BACKGROUND..............................................................................................................................4
1.1 Summary of Proposed Project.......................................................................................................
4
1.2 Construction Methods...................................................................................................................9
1.2.1 South Jinks Creek..................................................................................................................9
1.2.2 Feeder Channel, Finger Canals, & Bay Area......................................................................11
2.0 LISTED SPECIES AND CRITICAL HABITAT IN THE PROJECT AREA...............................11
3.0 SPECIES NOT LIKELY TO OCCUR IN THE PROJECT AREA................................................12
3.1 Red -Cockaded Woodpecker.......................................................................................................12
3.2 Vegetative Species......................................................................................................................13
3.3 Shortnose Sturgeon.....................................................................................................................
13
3.4 North Atlantic Right Whale........................................................................................................13
4.0 SPECIES THAT MAY OCCUR IN THE PROJECT AREA.........................................................16
4.1 Sea Turtles..................................................................................................................................16
4.1.1 Green Sea Turtle.................................................................................................................16
4.1.2 Hawksbill Sea Turtle...........................................................................................................16
4.1.3 Kemp's Ridley Sea Turtle...................................................................................................17
4.1.4 Leatherback Sea Turtle.......................................................................................................17
4.1.5 Loggerhead Sea Turtle........................................................................................................17
4.2 Shorebirds...................................................................................................................................18
4.2.1 Piping Plover.......................................................................................................................18
4.2.2 Red Knot.............................................................................................................................19
4.3 Wood Stork.................................................................................................................................19
4.4 West Indian Manatee.................................................................................................................
20
4.5 Atlantic Sturgeon........................................................................................................................21
4.6 Seabeach Amaranth....................................................................................................................21
5.0 EFFECTS OF THE ACTION.........................................................................................................22
6.0 CONCLUSION...............................................................................................................................23
7.0 REFERENCES...............................................................................................................................23

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
APPENDICES
Appendix A — FWS Correspondence
Appendix B — Sunset Beach Sea Turtle Data
Appendix B — Construction Conditions Proposed to Help Minimize Potential Impacts to Manatee, Sea
Turtles, and Smalltooth Sawfish
LIST OF TABLES
Table 1. Dredge Template Description.........................................................................................................8
Table 2. Estimated Dredge Volumes and Placement Locations................................................................... 9
Table 3. Sediment Comparison (South Jinks Creek & Recipient Beach)...................................................10
Table 4. Threatened & Endangered Species that may occur within the project area .................................. I I
LIST OF FIGURES
Figure1. Project Vicinity Map.....................................................................................................................4
Figure 2. Tubbs Inlet 1966 (Originally printed in Cleary & Marden, 1999)................................................ 6
Figure 3. Tubbs Inlet 1974 (Originally printed in Cleary & Marden, 1999)................................................6
Figure 4. South Jinks Creek, the Bay Area, and Feeder Channel Work Areas ............................................. 7
Figure 5. North Atlantic Right Whale Southeastern Calving Critical Habitat (Source: 81 FR 4838).......15
III

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
1.0 BACKGROUND
This Supplemental Biological Assessment (BA) provides an update to the BA dated August 2019
and includes information on the beneficial placement of beach compatible material to the nearshore
environment, a change from the previous placement of material on the oceanfront shoreline. As
advised by FWS staff in a June 30, 2020 scoping meeting, the Town is reinitiating consultation to
provide additional information on project changes. This BA addresses the potential effects of the
maintenance dredging and beneficial use placement proposed for South Jinks Creek, the Bay Area,
and the Feeder Canal, inclusive of finger canals A-D, in Sunset Beach, NC. The BA evaluates the
potential impacts the project may yield on federally protected resources, listed as endangered or
threatened under the Endangered Species Act (ESA), and/or their designated critical habitat.
Section 7 of the ESA requires a BA if a project, or action, could potentially jeopardize the
continued existence of any threatened or endangered species. This includes the potential
degradation or destruction of critical habitat believed to support a threatened or endangered
species.
The Town of Sunset Beach is proposing to maintenance dredge South Jinks Creek, the Feeder
Channel, inclusive of finger canals A-D, and the Bay Area in Sunset Beach, Brunswick County,
NC. Sunset Beach lies in Brunswick County, along the southern coastal border of North Carolina,
adjacent to Ocean Isle Beach. The proposed project will occur along the eastern border of Sunset
Beach, within the interior waters of Tubbs Inlet. Figure 1 shows the proposed project area in
relation to Brunswick County.
ONSLOW BAY
Brunswick County so PORTsvrrLY
SHALLOTTE - w
yS \
VAANAMFOWN` kk+
SOUTEiPOAT
SUNSET BEACH 4 -,� HOLDENBEACH LOCKWOODS OAKISLAND
SHALLOITE FOLLY INLET
INLET CASWELL BEACH
OCEANISLE
BEACH j
TOBBS LONG HAY f
Bpi PROJECT AREA BALD HEAD ISLAND
A TLAN T I C O C E A N
Figure 1. Project Vicinity Map
1.1 Summary of Proposed Project
In recent years, south Jinks Creek has incurred significant shoaling perceivably from tidal flows
entering Tubbs Inlet. In addition, the Bay Area and Feeder Channel system, which were developed
for recreational boating access, have been subject to infilling from adjacent upland run-off and
erosion as well as wind and wave action. The shoaling and material infilling experienced by each
waterbody has constricted navigable access regarding the available width and depth. The current
4

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
governing width of south Jinks Creek for navigation equals approximately 10 feet and the
governing depth is above MLW. The Feeder Canal system and Bay Area are generally not
constricted by width, but both maintain a governing depth between -2-ft and -3-ft MLW. The
current shoaling patterns appear likely to continue and could potentially sever recreational access
in each of the referenced work areas.
South Jinks Creek comprises a portion of the Jinks Creek connector channel that extends from the
Atlantic Intracoastal Waterway (AIWW) to Tubbs Inlet and the Atlantic Ocean. The navigation
project will connect the Bay Area and Feeder Channel systems along the southeast portion of
Sunset Beach to south Jinks Creek. The Bay Area entails one (1) residential canal and the Feeder
Channel system includes one (1) main channel connected to four (4) residential finger canals
referenced as Canals A — D. The proposed project will help restore navigation access within these
systems while also helping to restore access along Jinks Creek's eastern most shoreline within the
Town's jurisdictional limits.
An estimated 40,500 cubic yards (CY) of beach compatible material will be dredged from S. Jinks
Creek, and an additional 48,600 CY of non -compatible material will be removed from the Feeder
Channel system and Bay Area. The beach compatible material will be hydraulically placed as
beneficial reuse in the nearshore along approximately 2,000-ft of shoreline seaward of 3rd Street
to 13th Street on Sunset Beach. The beneficial reuse material will be placed in an approximate
200-ft wide template in water depths ranging between approximately -9-ft to -13-ft MLW. The
final grade for the placed material will not exceed-6.0-ft MLW in height. While no State standards
exist for sediment compatibility for nearshore placement, the material has been determined to be
compatible with the characteristics of the immediately adjacent native beach. It can therefore be
assumed that the placement material is also compatible with the sediment characteristics of the
recipient nearshore area.
As proposed in the original permit application, the non -compatible material from the Feeder
Channel and Bay Area will be mechanically dredged and placed in a permitted upland landfill
facility.
South Jinks Creek, the Bay Area, and the Feeder Channel systems have been dredged previously,
with the original event occurring approximate to 1970 (Cleary & Marden, 1999). Figures 2 and 3
show aerial photographs from 1966 and 1974 depicting before and after conditions of the initial
dredging event. The initial dredging presumably occurred as part of a relocation project for Tubbs
Inlet and the development of Sunset Beach. The action occurred prior to 1974 and the
establishment of the Coastal Area Management Act (LAMA), so the action did not receive a
CAMA Major permit authorization.
The first maintenance event for the feeder channel system occurred in 1985 under CAMA permit
211-85 and a subsequent maintenance occurred in 2002 under CAMA permit 45-02. The proposed
action will be the first known maintenance event for south Jinks Creek and the Bay Area since the
initial dredging approximate to 1970.
The proposed maintenance dredging will help establish and maintain a navigational channel for
access to the east end of Sunset Beach. Sediment runoff from storm events has most likely impaired
access through the Bay Area and Feeder Channel while shoaling from sediment transport has
Wi

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
impaired navigation in south Jinks Creek. As a result, the Town of Sunset Beach has proposed the
maintenance operations as part of a long-term management strategy to maintain navigation access
for small recreational vessels through the waterbodies. However, future maintenance operations
will be requested through separate permit applications.
Figure 2. Tubbs Inlet 1966 (Originally printed in Cleary & Marden, 1999)
Figure 3. Tubbs Inlet 1974 (Originally printed in Cleary & Marden, 1999)
Figure 4 provides a plan view of the proposed maintenance dredging project as described above.
The design template for the Feeder Channel follows the same alignment as proposed under permit
45-02 with small adjustments to avoid the existing marsh grass. In addition, the design depth for
the proposed action has been raised from -5.27 MLW to -5 MLW. Raising of the design depth
should help to simplify the construction process and reduce the potential for adverse impacts. The
dredging proposal includes a 1-ft allowable overdredge template to provide a buffer for
maneuvering the construction equipment within the work area. Therefore, the maximum dredge
depth in the Feeder Channel extends to -6-ft MLW, inclusive of the proposed 1-ft allowable
overdredge template. Within the finger canals the maximum dredge depth raises to -5-ft MLW,
inclusive of the 1-foot overdredge tolerance.
The proposed template for the finger canals maintains a constant 20-ft width. This represents a
reduction from the 2002 permitted template, which provided a varying width between 20-ft & 30-
ft. The reduction in width helps provide adequate clearance between the proposed channel and the
Ci

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
existing residential docks. In many instances, the navigable waterway through finger canals A-D
remains even less than 20-ft wide. Therefore, the dredge equipment most likely will not be able to
access the full channel even with the reduced 20-foot width. Although the docks may be moved
by the private homeowners to help facilitate construction, expectations suggest the docks would
be returned to their original position after the maintenance event. Therefore, there would be little
public benefit in providing more than a 20-foot channel through the residential waterway.
Figure 4. South Jinks Creek, the Bay Area, and Feeder Channel Work Areas
The dredge template for the Bay Area initiates with an 80-ft width at the connection with South
Jinks Creek. The template reduces gradually to 20-ft progressing towards the Bay Area terminus.
The larger width proposed for the Bay Area entrance should help control sediment shoaling during
tidal influences by providing additional storage capacity within the dredge alignment. The template
decreases in width to approximately 40-ft roughly 800-ft into the Bay Area. The minimized
template helps reduce the potential for unexpected impacts while also attempting to balance the
navigational need of the Bay Area residents. The maximum dredge depth for the Bay Area matches
the Feeder Channel at -6-ft MLW for the complete system. The maximum dredge depth includes
the 1-ft overdredge allowance provided from the design depth (-5 MLW) for maneuvering the
dredge equipment. Table 1 provides a summary of the dredge templates.
7

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
The dredge material from the Feeder Channel and Bay Area will be mechanically dredged and
trucked to a permitted landfill facility. Sediment tests show the material is not beach compatible
in accordance with the North Carolina Administrative Code (NCAC). As a result, the upland
landfill facility entails the most practical end use location identified for the dredge spoil. The
template for south Jinks Creek also maintains the -6 MLW maximum dredge depth. The south
Jinks Creek material meets the NCAC criterial for beneficial reuse and will be hydraulically
dredged and placed between 5th Street and 12th Street on Sunset Beach.
The dredging operations will be conducted during the months of November 16th thru April 30th to
reduce the potential for environmental impacts. In addition, the dredge footprint will be minimized
to provide a minimum 10-ft buffer from any coastal marsh identified at the time of construction.
The 6,500-ft hydraulic pipeline carrying the beneficial reuse material dredged from S. Jinks Creek
will also be positioned away from any established dune or beach vegetation. These items are a few
of the precautions proposed to help minimize the potential for environmental impacts on this
proj ect.
Table 1. Dredee Template Description
Existing
Proposed
Length
Width
Side Slope
. Est
Placement
Area
Avg. Depth
Depth
(ft)
(ft)
(H:V)
Volume
Location
(MLW-ft)
(MLW-ft)
(C�
Feeder
-6 (-5+1)
-3 MLW
MLW
3,500
30 — 40
3:1
22,000
Landfill
Channel
Finger
-2 MLW
3,200
20
3:1
10,700
Landfill
Can i
MLW)
Bay Area
-2 MLW
MLW)
2,200
20 — 80
3:1
15,900
Landfill
S. Jinks
-6 (-5+1)
- 1.5 MLW
MLW
1,750
100
5:1
40,500
Nearshore
Creek
TOTAL
10,650
Varies
Varies
89,100
Varies
The maintenance dredging will remove approximately 89,100 CY of mixed beach compatible and
non -compatible material. The beach compatible material will be placed as beneficial reuse along
approximately 1,600-ft of shoreline between 5th Street and 12th Street to enhance an approximate
275-ft wide berm at elevation +9 MLW (+6.1 NAVD) on Sunset Beach. However, the non -
compatible material will be excavated and trucked to an upland permitted landfill facility. Table 2
shows the material quantity estimated for removal from each work area.
The dredge template provides a 1-ft tolerance below the design depths to maneuver the dredge
equipment in a manner sufficient to complete the work. Therefore, the maximum dredge depth for
the maintenance operations equals — 6-ft (-5+1) MLW within south Jinks Creek, the Bay Area, and
the Feeder Channel. The maximum dredge depth decreases to -5-ft (-4+1) MLW within finger
canals A-D, which adjoin to the Feeder Channel.
M.

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
Table 2. Estimated Dredge Volumes and Placement Locations
Work Area
Dredge
Sediment
Placement Location
Quantity
Classification
Feeder
Non -
Channel &
32,700 CY
Compatible
Upland
Finger Canals
Bay Area
15,900 CY
Non -
Compatible
Upland
South Jinks
Beneficial
Between 3rd & 13th St
Creek
40,500 CY
Reuse
approx. 600-ft offshore
TOTAL
89,100 CY
Note: Estimated volumes include the 1-ft tolerance for maneuvering the dredge equipment.
1.2 Construction Methods
The construction methodology will vary for each work area based on the dredge material
composition. The methods implemented for south Jinks Creek will vary from the methods used
for the Feeder Channel system and the Bay Area as described below.
1.2.1 South Jinks Creek
The south Jinks Creek material meets the NCAC criterial for beneficial reuse and will be
hydraulically dredged and placed in the nearshore region between 3rd Street and 13th Street,
approximately 600-ft offshore of the MHW contour. The nearshore placement area is
approximately 6,000-ft west of Tubbs Inlet.
Placement operations will not be allowed to move east or back over an area that has already
received material without measuring the current material height. The material will not be placed
higher than -6-ft MLW at any time. If material accumulates at a stage higher than -6-ft MLW,
excess material shall be removed immediately and prior to advancing further with the placement
operations.
Hydrographic surveys shall be conducted before and after nearshore placement occurs. The
surveys shall be conducted in perpendicular and parallel directions to the beach. The surveys will
be used to verify material placement did not encroach above the -6-ft MLW contour. Any deviation
found where material placement occurs above the -6-ft MLW contour shall be remediated by
leveling the material with an excavator positioned on the barge or through other mechanical means.
Hydraulic dredging shall not be allowed as a measure to fix or remediate the material
accumulation.
M

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
The nearshore placement shall strive to maintain a placement density no greater than 25 CY per
foot of shoreline. This will provide a low -density placement option that allows the placed material
to blend into the existing contours within a six (6) to 18-month period. The low -density placement
will also help avoid visual impacts to the upland properties, as the material will disburse in the
nearshore zone and not accumulate along the beachfront. The material is anticipated to provide
additional storm protection, but the benefit should be minimal due to the low -density placement.
The maintenance dredging operations will be conducted during the months of November 16th thru
April 30th to reduce the potential for environmental impacts. In addition, the dredge footprint will
be minimized to provide a minimum 10-ft buffer from any coastal marsh identified at the time of
construction. The 6,500-ft hydraulic pipeline carrying the beneficial reuse material dredged from
S. Jinks Creek will also be positioned away from any established dune or beach vegetation. These
items are a few of the precautions proposed to help minimize the potential for environmental
impacts on this project. The south Jinks Creek material meets the minimum standards required for
beneficial reuse in accordance with the NC standards for beach compatibility. A total of 26
sediment samples were collected from the proposed dredge area (borrow area) in efforts to define
the beach compatible material. The calculated sediment characteristics from the dredge area were
compared with composite characteristics of 65 samples analyzed from the recipient beach. Table
3 below shows the analysis results for the dredge material and recipient beach in accordance with
the NCAC 15a 07h.0312.
Table 3. Sediment Comparison (South Jinks Creek & Recipient Beach)
Gravel
Granular
Soand
Fines
Calcium
Analysis Area
/o
/o
/oavel
/o
Carbonate
South Jinks
0.00%
0.00%
96.63%
3.37 %
16%
Creek
Recipient Beach
0.07 %
1 0.55 %
1 98.15%
1 1.23%
1 2%
Note: Sediment classifications determined in accordance with NCAC 15a07h.0312.
The hydraulic dredging work will be conducted on a 24-hr per day schedule by a cutterhead dredge
between November 16th and April 30th, in accordance with the USFWS August 2017 Statewide
Programmatic Biological Opinion (SPBO). The beneficial reuse material will be transported
through an approximate 6,500-ft hydraulic pipeline for nearshore placement of beach compatible
material. Floating pipeline will most likely be required immediately behind the hydraulic dredge
plant and will have reflectors or lights as recommended by the USCG. Once the floating pipeline
traverses landward of the MHW line, it will not be allowed to meander back into navigable waters.
However, the shore pipe may be forced to cross navigable waterways at the Bay Area and Feeder
Channel confluence with Jinks Creek. The pipeline will be anchored to the channel bottom to avoid
a marine hazard at each crossing. The pipeline will also cross the waterways perpendicular to the
directions of travel to minimize the pipeline length within the navigation channel. The pipeline
will be anchored in the deepest depth available to not block navigation and will have buoys
attached approximately every 25-feet along each crossing. Signage will also be provided and
visible from both directions of travel to mark the pipeline crossing.
10

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
1.2.2 Feeder Channel, Finger Canals, & Bay Area
Dredging operations in the Feeder Channel, including the adjoining finger canals A-D, and the
Bay Area will be conducted by a clamshell or bucket dredge / excavator also between November
16th and April 30th. Dredging activities for the mechanical equipment will extend through day light
hours but will not entail nighttime operations. Material will be dredged from the respective
waterbody and placed on a barge or other floating work plant. The material will be transported to
an offloading site designated at the end of Cobia Street within the Feeder Channel. The material
will then be placed in a truck or carrying apparatus for transportation to the upland landfill facility.
A backhoe or excavator will move the material from the barge to the truck or other hauling
equipment. The trucks or hauling equipment shall be configured to prohibit spillage during
material transport. The roadways or travel ways used for material transport shall be inspected
during and after each delivery to the landfill site. Any spillage noted shall be immediately cleaned
and removed from the roadways. In addition, any equipment found to be continuously leaking
material onto public roadways shall be removed from the project until such time repairs or
modifications can be made to facilitate clean and spill fill material transport.
2.0 LISTED SPECIES AND CRITICAL HABITAT IN THE PROJECT AREA
This assessment considers federally listed species that may occur within the project area; including
the North Atlantic right whale, humpback whale, West Indian manatee, piping plover, red knot,
wood stork, sea turtles (loggerhead, green, leatherback, Kemp's ridley, and hawksbill), Atlantic
and shortnose sturgeon, and seabeach amaranth. This Supplemental BA also addresses effects on
designated and proposed critical habitats within the action area; including critical habitat for the
piping plover Atlantic Coast wintering population, terrestrial and marine critical habitats for the
loggerhead sea turtle and proposed North Atlantic right whale critical habitat. Based on a detailed
evaluation of the effects of beneficial placement of beach compatible sediment offshore of Sunset
Beach, dredging operations within South Jinks Creek, the Feeder Canals and Bay Area as well as
USFWS correspondence, dated July 29, 2019 and informal consultation with USFWS on August
5, 2019; determinations of effect for the species and critical habitats considered are as follows:
Table 4. Threatened & Endangered Species that may occur within the Proiect Area
S ecies
Listing Status
Effects
Scientific Name
Common Name
Federal
Record
Habitat
Determination
Status
Status
Present
Chelonia mydas
Green sea turtle
T
Current
Yes
MALAA
Eretmochelys
Hawksbill sea turtle
T
Historic
Yes
MALAA
imbricate
Lepidochelys
Kemp's (Atlantic)
E
Current
Yes
MALAA
kem ii
ridley sea turtle
Dermochelys
Leatherback sea
E
Current
Yes
MALAA
coriacea
turtle
Caretta caretta
Loggerhead sea
T
Current
Yes
MALAA
turtCharadrius
piping plover
T
Current
Yes
MALAA
melodus
11

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
S ecies
Listing Status
Effects
Scientific Name
Common Name
Federal
Record
Habitat
Determination
Status
Status
Present
Picoides
Red -cockaded
E
Current
No
NE
borealis
woodpecker
Calidris canutus
Red knot
T
Current
Yes
MALAA
ru a
Trichechus
West Indian
E
Current
Yes
NLAM
manatus
manatee
Mycteria
Wood stork
T
Current
Yes
NLAM
americana
Thalictrum
Cooley's
E
Current
No
NE
cooleyi
meadowrue
Lysimachia
Rough -leaved
E
Current
No
NE
as erulag olia
loosestrife
Amaranthus
Seabeach amaranth
T
Current
Yes
MALAA
umilus
Acipenser
oxyrinchus
Atlantic sturgeon
E
Current
No
NLAM
(Carolina DPS)
ox rinchus
Acipenser
brevirostrum
Shortnose sturgeon
E
Current
No
NE
Eubalaena
North Atlantic right
E
Current
No
NE
lacialis
whale
Loggerhead Marine and Terrestrial CH
NLAM
Piping Plover Wintering CH
NLAM
Proposed North Atlantic Right Whale CH
NLAM
Source: USFWS, 2015; NMFS, 2017; KEY: E = endangered, T = threatened; MALAA = may affect, is likely to adversely affect;
LAA = likely to adversely affect; NLAM = Not likely to adversely modify; NE = no effect
3.0 SPECIES NOT LIKELY TO OCCUR IN THE PROJECT AREA
The following discussion addresses the listed species considered not likely to occur within the
project site due to lack of appropriate habitat. This includes the following species:
Red -Cockaded Woodpeckers
Cooley's Meadowrue
Rough -leaf Loosestrife
3.1 Red -Cockaded Woodpecker
■ Shortnose Sturgeon
■ North Atlantic Right Whale
Red -Cockaded Woodpeckers (Picoides borealis) require open, mature, and old growth pine
habitats. Roosting trees generally must be at least 60-120 years old, depending on species of pine.
Foraging habitat is provided in pine and pine hardwood stands 30 years old or older with foraging
preference for pine trees 10 inches or larger in diameter. In good, moderately stocked, pine habitat,
sufficient foraging substrate can be provided on 80 to 125 acres (USFWS 2003). Since these types
of terrestrial habitat are found well inland of the proposed project area, the analysis does not
consider impacts to the red -cockaded woodpecker likely to occur because of project construction.
12

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
3.2 Vegetative Species
Cooley's meadowrue (Thalictrum cooleyi) is known from North Carolina, Georgia, and Florida.
The North Carolina populations are in Brunswick, Columbus, Onslow, and Pender counties.
Cooley's meadowrue occurs on circumneutral soils in grass -sedge bogs and wet pine savannahs
and savannah -like areas. It may also grow along fire -plow lines, in roadside ditches, woodland
clearings, and powerline rights -of -way. Disturbance of some kind is usually required to maintain
open habitat for Cooley's meadowrue (USFWS 1994). The habitat within the Feeder Canal and
Bay Area generally consists of fine grain sediment, muck, and coastal marsh. These areas generally
do not meet the documented criteria for the Cooley meadowrue habitat. Therefore, the species
most likely will not occur within the project area and has been removed from further analysis.
Rough -leaved loosestrife (Lysimachia asperulaefolia) is endemic to the coastal plain and sand hills
of North Carolina and South Carolina. Habitat for rough -leaved loosestrife generally occurs in the
ecotone between longleaf pine or oak savannas and wet, shrubby areas containing moist, sandy, or
peaty soils and low vegetation. The grass -shrub ecotone, where rough -leaved loosestrife generally
occurs, is fire -maintained, as are the adjacent plant communities (longleaf pine — scrub oak,
savanna, flatwoods, and pocosin). Several populations are known from roadsides and power line
rights -of -way where regular maintenance mimics fire and maintains vegetation so that herbaceous
species are open to sunlight (USFWS 1995). The habitat within the Feeder Canal and Bay Area
consists of fine grain sediment, muck, and coastal marsh and generally does not meet the
documented criteria for the rough -leaved loosestrife habitat. Therefore, the species most likely will
not occur within the project area and has been removed from further analysis.
3.3 Shortnose Sturgeon
The shortnose sturgeon (Acipenser brevirostrum) was listed as endangered under the Endangered
Species Preservation Act in March 1967 (32 FR 4001) (ESA). The species inhabits large Atlantic
coast rivers from New Brunswick, Canada south to northeastern Florida. Adults in southern rivers
are estuarine anadromous, foraging at the freshwater -saltwater interface and moving upstream to
spawn in the early spring. Shortnose sturgeons spend most of their life in their natal river systems
and rarely migrate to marine environments. Spawning habitats include river channels with gravel,
gravel/boulder, rubble/boulder, and gravel/sand/log substrates.
Shortnose sturgeon are not expected to be present in the areas where the proposed action is
occurring. Prior assumptions were that shortnose sturgeon tended not to leave riverine waters (i.e.,
venture beyond the freshwater -saltwater interface); however, in a recent report by the South
Carolina Division of National Resources (DNR) and Georgia DNR, the species was detected as
far as 12.4 mi from the mouths of their spawning rivers in those states. While spawning data is
lacking for the rivers in North Carolina, the project area is located much greater than 12.4 mi from
the mouth of any major river that may be used for spawning (i.e., Neuse River and Cape Fear
River). Therefore, we believe the proposed action will have no effect on shortnose sturgeon.
3.4 North Atlantic Right Whale
13

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
Right whales were listed as endangered under the Endangered Species Conservation Act in June
1970 and were subsequently listed as endangered under the ESA in 1973. Based on a census of
individual whales identified through photo -identification techniques, the best estimate of
catalogued North Atlantic right whales in 2012 was 510 individuals (Pettis 2013). North Atlantic
right whales calve in warm subtropical waters during winter and migrate to feed in highly
productive cold temperate and subpolar waters in spring and summer (Green and Pershing 2004).
Waters along the southeastern US coast constitute the only known calving habitat for North
Atlantic right whales (Kraus et al. 1986, Knowlton et al. 1994, Reeves et al. 2001). Based on
effort -corrected sightings data, the densest distribution of observed right whale mother -calf pairs
is generally in waters of the inner shelf between St. Augustine, Florida and just south of Savannah,
Georgia. However, recent aerial survey data indicate calving and nursing occur as far north as NC
(Good 2008, McLellan et al. 2004). Reproductive females typically arrive in the calving areas
during late November and early December after migrating south from feeding grounds in the
northeastern US and Canada (Fujiwara and Caswell 2001, Garrison 2007, Hamilton et al. 2007).
Mothers and newborn calves reside within the southeast through winter and generally depart the
calving grounds by the end of March or early April (Reeves et al. 2001). There is relatively little
information on the geographic and temporal extent of the migratory corridor (Firestone et al. 2008,
Schick et al. 2009). A review of sightings data collected in the mid -Atlantic found that 94 percent
of all right whale sightings were within 56 kilometers from shore (Knowlton et al. 2002).
Currently designated critical habitat units for the right whale include northeastern feeding grounds
in the Gulf of Maine/Georges Bank region, and southeastern nearshore ocean calving habitats from
central Florida to Cape Fear, NC [81 Federal Register (FR) 4838] (Figure 5). The essential features
of the southeastern calving critical habitat area include physical oceanographic conditions that
support calving and nursing; including calm sea surface conditions, sea surface temperatures of 45
degrees (°) Fahrenheit (F) to 63°F, and water depths of 20 ft to 92 ft. The essential features of the
northern critical habitat areas include physical and biological features that provide optimal
foraging areas with an abundance of the right whales' preferred copepod prey.
Proposed dredging operations within the project area would coincide with migration and calving
periods along the NC coast. Project -related dredging could potentially affect right whale through
vessel strikes and/or acoustic disturbance. However, dredging operations would be confined to
waters inshore of the COLREGS line, and thus would not be expected to result in any direct or
indirect interactions with right whales, therefore the right whale is not considered further in this
assessment. Underwater noise produced by dredging in South Jinks Creek and the Bay Area may
propagate into the open ocean but would not be expected to reach the thresholds described above
for injurious (>180 dB re lµPa rms) or behavioral (>120 dB re lµPa rms) effects on cetaceans.
The essential features of proposed right whale critical habitat within the project area are those
associated with optimal calving habitat; including calm sea surface conditions, sea surface
temperatures of 45°F to 63°F, and water depths of 20 ft to 92 ft. Proposed inshore dredging and
beach fill placement operations would not likely adversely modify (NLAM) any of these essential
features for the critical habitat. Likewise, the project should provide no effect (NE) on the North
Atlantic right whale species in accordance with Section 7 responsibilities of the ESA.
14

Town of Sunset Beach —Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
North Atlantic Right Whale Critical Habitat
Southeastern U.S. Calving Area Unit 2
SOUTH CAROLINA
GEORGIA
FLORIDA.
Cape Canaveral
28*N
81'W
M Critical Habitat
NORTH
AROLIN
Cape Fear
Atlanta Ocean
N
W+E
s
0 35 70 140 210 280
Kilometers
Miles
0 25 50 100 150 200
79jW 78+W i7`W
C
:��S�C'
FL
34 N -4
33 N -�
32 N -1
31 NA
Area of Detail
This map is provided for illustrative purposes only of North Atlantic right whale critical habitat.
For the precise legal definition of critical habitat, please refer to the narrative description.
Figure 5. North Atlantic Right Whale Southeastern Calving Critical Habitat (Source: 81
FR 4838).
15

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
4.0 SPECIES THAT MAY OCCUR IN THE PROJECT AREA
The following discussion addresses listed, or endangered species generally considered likely to
frequent the project site along with general construction practices proposed to help minimize
potential impacts. This includes the following species:
■ Sea Turtles ■ Red Knot ■ Atlantic Sturgeon
■ Piping Plover ■ Wood Stork ■ West Indian Manatee
■ Seabeach Amaranth
4.1 Sea Turtles
4. L I Green Sea Turtle
The green sea turtle (Chelonia mydas) has been documented to occur in coastal areas of Dare,
Onslow, New Hanover, and Brunswick Counties of North Carolina. Green sea turtles are generally
found in shallow waters (except when migrating) inside reefs, bays, and inlets. The green turtle is
attracted to lagoons and shoals with an abundance of marine grass and algae. No SAV beds have
been identified in Brunswick County, including the project area. Inspections of the project area
occurred during October 2016 as part of alternate field work efforts to conduct a shellfish survey.
Open beaches with a sloping platform and minimal disturbance are required for nesting.
Green sea turtles nest in relatively small numbers along the NC coast, with reported nesting from
2000 through 2016 averaging 18 nests per year. According to the SPBO (USFWS 2017), no green
sea turtles have nested within the project area, however, 13 nests have been documented along
southern NC beaches to Caswell Beach (approximately 31 shoreline miles) between 2000 and
2016 (4% statewide). Since nesting may occur along Sunset Beach, the action should be considered
as may affect and is likely to adversely affect (MALAA) the species in accordance with Section 7
of the ESA. Furthermore, the action relies on the findings of the August 28, 2017 Statewide
Programmatic Biological Opinion for North Carolina Sand Placement to fulfill our proj ect-specific
Section 7 responsibilities.
Critical habitat for the green sea turtle has been designated for the waters surrounding Culebra
Island, Puerto Rico, and its outlying keys (63 FR 46693). No designated critical habitat is present
in the project area.
4.1.2 Hawksbill Sea Turtle
The hawksbill sea turtle was listed as endangered throughout its range on 2 June 1970 (35 FR
8491). Nesting occurs on sandy beaches throughout the tropical and subtropical regions of the
Atlantic, Pacific, and Indian Oceans. Nesting in the US is primarily limited to Florida and the US
Caribbean on beaches throughout Puerto Rico and the US Virgin Islands (NMFS and USFWS
1993). Marine and nesting critical habitat for the hawksbill sea turtle have been designated in
Puerto Rico along the islands of Mona, Monito, Culebrita, and Culebra (63 FR 46693). Rare
nesting events in the continental US are essentially restricted to the southeastern coast of Florida
and the Florida Keys (Meylan 1992; Meylan et al. 1995), although two hawksbill nests were

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
recently confirmed in NC (NPS 2015d). Sightings have been recorded from a handful of counties
in North Carolina, but the turtle is not known to breed in the state, and there are no known
occurrences of this species recorded from Brunswick County or near the project area (NCNHP
2017). The potential for in -water occurrences and/or nesting may occur along Sunset Beach
therefore the action should be considered as may affect and is likely to adversely affect (MALAA)
the species in accordance with Section 7 of the ESA. Furthermore, the action relies on the findings
of the August 28, 2017 Statewide Programmatic Biological Opinion for North Carolina Sand
Placement to fulfill our project -specific Section 7 responsibilities.
4.1.3 Kemp's Ridley Sea Turtle
While sightings of the Kemp's ridley sea turtle (Lepidochelys kempii) in North Carolina remain
rare, the occurrences may be on the rise. This species prefers shallow coastal waters. USFWS
indicates sightings of this species has only occurred in Pamlico County within the past 20 years
(USFWS, 2003). As a result, no sightings of this species have been recorded in the vicinity of the
project area (NCNHP 2017). However, since nesting or in -water observations may occur along
Sunset Beach, the action should be considered as may affect and is likely to adversely affect
(MALAA) the species in accordance with Section 7 of the ESA. Furthermore, the action relies on
the findings of the August 28, 2017 Statewide Programmatic Biological Opinion for North
Carolina Sand Placement to fulfill our project -specific Section 7 responsibilities.
4.1.4 Leatherback Sea Turtle
Leatherbacks (Dermochelys coriacea) are distributed world-wide in tropical waters of the Atlantic,
Pacific, and Indian oceans. They are generally open -ocean species and may be common off the
North Carolina coast during certain times of the year. However, in northern waters leatherbacks
are reported to enter bays, estuaries, and other inland bodies of water. Major nesting areas occur
mainly in tropical regions. In the United States, primary nesting areas are in Florida; however,
nests are known from Georgia, South Carolina, and North Carolina as well. The project area
consists of two small interior channels and most likely could not support habitat suitable for a
Leatherback. No known sightings of the Leatherback have been recorded near the project area
(NCNHP 2017). However, since nesting or in -water observations may occur along Sunset Beach,
the action should be considered as may affect and is likely to adversely affect (MALAA) the
species in accordance with Section 7 of the ESA. Furthermore, the action relies on the findings of
the August 28, 2017 Statewide Programmatic Biological Opinion for North Carolina Sand
Placement to fulfill our project -specific Section 7 responsibilities.
4.1.5 Loggerhead Sea Turtle
The loggerhead sea turtle (Caretta caretta) is distributed widely in its range, including the entire
North Carolina coast. It is often found hundreds of miles out to sea but can also be found in inshore
areas such as bays, lagoons, salt marshes, creeks, ship channels, and the mouths of large rivers.
Feeding areas are typically coral reefs, rocky places, and shipwrecks (USFWS 2003). The substrate
of the Feeder Canal and Bay Area generally consist of soft muck or fine sediment and most likely
would not be considered ideal habitat for the loggerhead. Young loggerheads are often found in
SAV beds and nesting occurs mainly on open beaches or along narrows bays with suitable soil
17

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
(USFWS 2003). Loggerhead sightings near the project area have occurred over the past several
decades (NCNHP 2017). Individual turtles may utilize the Feeder Canal and Bay Area temporarily
during migration events. However, the species generally would not be expected during the colder
winter months of October through March, when the proposed dredging will occur.
Loggerhead nesting occurs along the entire NC coast; however, nesting is concentrated along three
sections of the coast: the Cape Fear region (Holden Beach, Oak Island, Caswell Beach, Bald Head
Island, and Fort Fisher), Topsail Island and Onslow Beach, and the barriers that comprise from
Shackleford Banks north to Bodie Island. Collectively, these three sections of the coast accounted
for 83% of all loggerhead nesting in NC from 2000 through 2016. Based on data provided by
NCWRC approximately 225 loggerhead nests have been laid on Sunset Beach between 2000 and
2018 with 2000 as a peak year with 28 nests (Appendix A — Sunset Beach Sea Turtle Data).
Average annual density (nests/mile) along the 10 miles of oceanfront shoreline of Sunset Beach is
3.4. Beneficial placement of beach compatible material will take place during the environmental
window of 16 November — 30 April, thereby avoiding nesting period of 1 May to 15 September.
No designated critical habitat is present in the project area; therefore, the action is not likely to
adversely modify (NLAM) critical habitat in accordance with Section 7 of the ESA. However,
since nesting occurs along Sunset Beach, the action should be considered as may affect and is
likely to adversely affect (MALAA) the species in accordance with Section 7 of the ESA.
Furthermore, the action relies on the findings of the August 28, 2017 Statewide Programmatic
Biological Opinion for North Carolina Sand Placement to fulfill our project -specific Section 7
responsibilities.
4.2 Shorebirds
4.2.1 Piping Plover
Piping Plovers (Charadrius melodus) have nests consisting of shallow scraped depressions in the
sand lined with shell fragments and little or no adjacent vegetation (Cohen el al., 2008; USFWS
1996). Piping plovers breed in three discrete geographic areas: the Atlantic Coast from NC to
Newfoundland, the Great Lakes region, and the Northern Great Plains region. Members of the
Atlantic Coast breeding population arrive on the breeding grounds and initiate courtship in late
March and early April. In NC, the breeding season extends from April through August. Nests in
NC may be found mid -to -late April and continue to nest through late May and early June. Chicks
and fledglings may be found May through August. Wintering plovers on the Atlantic coast are
found at accreting ends of barrier islands, along sandy peninsulas, and near coastal inlets. Preferred
foraging habitats include sandflats adjacent to inlets or passes, sandy mudflats along prograding
spits, and overwash areas. Roosting sites generally include inlet and adjacent ocean and estuarine
shorelines and nearby exposed tidal flats (USFWS 1996).
Since no designated critical habitat is present in the project area, the action is not likely to adversely
modify (NLAM) critical habitat in accordance with Section 7 of the ESA. However, the project is
in the vicinity of Tubbs Inlet, and operations may affect piping plover foraging activities.
Therefore, in accordance with Section 7 responsibilities of the ESA, the action should be
considered as may affect and is likely to adversely affect (MALAA) the species. Therefore, the
18

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
action relies on the findings of the August 28, 2017 Statewide Programmatic Biological Opinion
for North Carolina Sand Placement to fulfill our project -specific Section 7 responsibilities.
4.2.2 Red Knot
Red knots (Calidris canutus rufa) breed in the central Canadian Arctic and occur in three main
wintering groups: short distance migrants that winter in the southeastern U.S., medium distance
migrants that winter on the northern coast of Brazil, and long-distance migrants that winter in
Tierra del Fuego (southern tip of South America) (Niles et al., 2012). In the southeastern U.S., red
knots overwinter primarily in FL and GA (Niles et al., 2008). However, red knots are known to
winter as far north as VA (Niles et al., 2012). Major stopover sites during the southbound migration
include MA, CT, and RI. During the northbound migration, stopover sites along the U.S. Atlantic
coast include the primary stopover in Delaware Bay although some red knots stop farther south
between VA and FL (Gillings et al., 2009; Niles et al., 2008). In NC, red knots use the Outer Banks
as a stopover site during spring and fall migrations. In some cases, the Outer Banks has also served
as an overwinter site to migrating red knots (Niles et al., 2012; Dinsmore et al., 1998). Red knots
are most abundant in NC during the spring migration (April -June), with the highest concentration
generally observed in May.
Preferred wintering and migration habitats include muddy or sandy coastal areas, particularly the
mouths of bays and estuaries and unimproved tidal inlets and tidal flats. Wintering habitat in the
southeastern U.S. also includes peat banks, salt marshes, brackish lagoons, and mangroves. In this
region, red knots forage along sandy beaches, in tidal mudflats, along peat banks, and along barrier
islands (Niles et al., 2008). Preferred prey in nonbreeding habitats include horseshoe crab eggs,
snails, clams, and crustaceans (Cohen et al., 2010; Niles et al., 2008; Tsipoura and Burger, 1999).
Since the project area contains habitat suitable for red knot foraging activities, the construction
operations may affect the red knot foraging activities. Therefore, in accordance with the Section 7
responsibilities of the ESA, the action should be considered as may affect and is likely to adversely
affect (MALAA) the species. However, the action relies on the findings of the August 28, 2017
Statewide Programmatic Biological Opinion for North Carolina Sand Placement to fulfill our
project -specific Section 7 responsibilities.
4.3 Wood Stork
Wood storks (*cteria americana) are not true migrants, but they generally disperse following
breeding. Beginning in late May, following breeding in FL, most fledglings, immatures, and adults
disperse in peninsular FL and northward (Coulter et al., 1999). The non -breeding season range
extends to eastern MS and includes the above -mentioned areas as well as the rest of FL and the
coastal plains and large river systems of AL (79 FR 37078). Wood storks sighted farther west are
likely part of the Mexican/Guatemalan populations. However, some population mixing may occur
(Bryan et al., 2008).
Wood storks use a wide variety of freshwater and estuarine wetlands for nesting, feeding, and
roosting sites. Nesting colony sites are in freshwater and marine -estuarine forested habitats,
primarily in cypress swamps. However, depending on the location, colony sites may consist of
19

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
other plants, such as dead oaks, mangroves, cactus, black gum, willow, and buttonbush (Coulter
et al., 1999). Feeding habitat consists of natural and artificial wetlands where prey species are
available and water depths are appropriate (<50 cm) (Coulter et al., 1999). However, wood storks
are also known to feed in shallow brackish and saltwater pools and channels (LeGrand, 2013).
Wood storks also use man-made wetlands for foraging and breeding. Some of these man-made
wetlands include storm water treatment areas and ponds, golf course ponds, borrow pits, reservoirs,
roadside ditches, agricultural ditches, drainages, flow -ways, mining and mine reclamation areas,
and dredge spoil sites (USFWS 2007). Roosting sites are generally in trees over water, but storks
may also rest on the ground close to feeding sites (Coulter et al., 1999).
Sightings of wood storks made during the summer of 2017 confirms the species presence near the
project area. Dredging activities will occur during the months of October through March, outside
of the general migration period for wood storks in NC, however, since the project area contains
habitat suitable for wood storks the action should be considered as not likely to adversely modify
(NLAM) the species.
4.4 West Indian Manatee
West Indian manatees (Trichechus manatus) occur in shallow waters generally close to shore in
estuarine and river mouth habitats (Rathbun et al., 1982). Preferred feeding habitats include
shallow seagrass beds close to deep channels in coastal and riverine habitats (e.g., Lefebvre et al.,
2000; USFWS 2001 a). West Indian manatees are frequently located in secluded canals, creeks,
embayments, and lagoons near the mouths of coastal rivers and sloughs. These areas serve as
locations of feeding, resting, mating, and calving (USFWS 2001). Estuarine and brackish waters,
including natural and artificial freshwater sources, are typical West Indian manatee habitat
(USFWS 2001 a). West Indian manatees rarely occur in offshore waters where abundant seagrass
and vegetation are not available (Reynolds III and Odell, 1991); however, sighting and tracking
data indicate that some animals have ventured offshore (e.g., Reynolds III and Ferguson, 1984;
Lefebvre et al., 2001; Alvarez-Aleman et al., 2010). Critical habitat is designated for the West
Indian manatee in FL (41 FR 41914).
The West Indian manatee occurs in warm, subtropical, and tropical waters of the western North
Atlantic from the southeastern U.S. to Central America, northern South America, and the West
Indies (Lefebvre et al., 2001). During winter months, the FL population confines itself to inshore
and inner shelf waters of the southern half of peninsular FL where they utilize warm -water springs,
heated industrial effluents, and other warm -water sites (Laist et al., 2013; Lefebvre et al., 2001).
As water temperatures rise in spring, West Indian manatees disperse from winter aggregation
areas. West Indian manatees are frequently reported in coastal rivers of GA and SC during warmer
months (Lefebvre et al., 2001), and have been sighted as far north as MA (Beck 2006).
The NCNHP shows sporadic occurrences of manatee in the project vicinity over the past several
decades (NCNHP 2017). The northern limit of the manatee's range extends to North Carolina, but
low temperatures prevent this species from commonly occurring in the area. The rarity of its
occurrence in the vicinity of the project area makes impacts to this species unlikely (USFWS
20

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
2008), therefore, in accordance with Section 7 responsibilities of the ESA, the action should be
considered as not likely to adversely modify (NLAM) the species.
Construction operations will occur during the months of October through March, when cooler
water temperatures will further discourage the manatee presence. Further precautions to be
implemented to help avoid impacts to the West Indian manatee include following the manatee
avoidance measures published by USFWS. Appendix B provides the referenced precautionary
measures.
4.5 Atlantic Sturgeon
The Atlantic sturgeon (A. oxyrinchus oxyrinchus) was listed under the ESA on 6 February 2012
(77 FR 5914, 77 FR 5880). The NMFS recognizes five Distinct Population Segments (DPSs);
including four that are listed as endangered (New York Bight, Chesapeake Bay, Carolina, and
South Atlantic DPSs) and one (Gulf of Maine DPS) that is listed as threatened. The Carolina DPS
encompasses Atlantic sturgeons from the Roanoke, Tar/Pamlico, Cape Fear, Waccamaw, Pee Dee,
and Santee -Cooper Rivers. The spawning population in each of these river systems is thought to
number less than 300 adults [Atlantic Sturgeon Status Review Team (ASSRT) 2007]. Atlantic
sturgeons spawn in freshwater but spend most of their adult life in the marine environment.
Spawning adults generally migrate upriver in the spring/early summer (Smith and Clugston 1997).
Spawning is believed to occur in flowing water between the salt front and fall line of large rivers.
Post -larval juveniles move downstream into brackish waters and eventually move to estuarine
waters where they reside for a period of months or years (Moser and Ross 1995). Subadult and
adult Atlantic sturgeons emigrate from rivers into coastal waters where they may undertake long
range migrations. Migratory subadult and adult sturgeon are typically found in shallow (10 to 50
m) nearshore waters with gravel and sand substrates (Collins and Smith 1997, Stein et al. 2004).
Although extensive mixing occurs in coastal waters, Atlantic sturgeons return to their natal river
to spawn (ASSRT 2007). In NC, spawning occurs in the Roanoke, Tar -Pamlico, and Cape Fear
River systems and possibly in the Neuse River (ASSRT 2007).
The Atlantic sturgeon occurs in the Cape Fear River system east of the project area. Based on
incidental capture data from tagging cruises, shallow nearshore ocean waters along the NC coast
may represent a winter (January -February) aggregation site for Atlantic sturgeons (Laney et al.
2007). Incidental captures typically occurred over sand substrate in nearshore waters that were
less than 59 ft deep. Based on previous communication with NOAA Fisheries, occurrences of
Atlantic sturgeons are not expected in the inshore waters of the action area; however, the species
may use Tubbs inlet and nearshore ocean along Sunset Beach as a feeding/staging area during
coastal migrations. Since the project does not include dredging operations in the Atlantic and only
entails sand placement along the oceanfront, the action is not likely to adversely modify the species
in accordance with Section 7 responsibilities of the ESA.
4.6 Seabeach Amaranth
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Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
Seabeach amaranth (Amaranthus pumilus) is an annual plant found only along the Atlantic coastal
plain where it inhabits barrier island beaches. Its primary habitat includes overwash flats at the
accreting ends of the islands, lower foredunes, and upper strands of noneroding beaches (at the
wrackline). Seabeach amaranth is usually found on a nearly pure silica sand substrate that is
sparsely vegetated with annual herbs (forbs) and, less commonly, perennial herbs (mostly grasses)
and scattered shrubs. In NC, seeds germinate from April through July and flowering begins as
early as June. Seabeach amaranth seed production begins in July or August and peaks in
September. The reproductive season may extend into January (USFWS 1996b). The construction
window for each sand placement event (16 November - 30 April) would avoid the majority of the
seabeach amaranth growing season in NC, thereby minimizing the likelihood of direct impacts on
actively growing plants. Although, the habitat within the Feeder Canal and Bay Area consists of
fine grain sediment, muck, and coastal marsh and generally does not meet the documented criteria
for seabeach amaranth habitat, it may occur on the oceanfront shoreline of Sunset Beach within
the beneficial use placement area.
Sand placement activities may directly impact seabeach amaranth through the destruction or burial
of plants and/or through the transfer of seeds to unsuitable habitats. The construction of stabilizing
berms and dunes may have long-term indirect negative effects on the quality or availability of
seabeach amaranth habitat. Wider beaches may induce additional recreational activities that
impact seabeach amaranth through trampling or crushing and/or habitat modification. Based on
these potential impacts, it is determined that the proposed action may affect, and is likely to
adversely affect (MALAA) seabeach amaranth. However, the action relies on the findings of the
August 28, 2017 Statewide Programmatic Biological Opinion for North Carolina Sand Placement
to fulfill our project -specific Section 7 responsibilities.
5.0 EFFECTS OF THE ACTION
Potential effects considered as a direct result of the maintenance dredging project primarily occur
as temporary and localized impacts. These potential impacts include injury from entrainment or
burial, behavioral effects caused by temporarily altered estuarine conditions such as dissolved
oxygen reductions, increases in turbidity and suspended sediments, and effects on movement of
certain species through the waterways. Construction best management practices (BMP)'s and
turbidity controls will be utilized during construction activities to minimize impacts where
possible.
The BMP's proposed include limiting the dredging activities to the months of October through
March when colder temperatures discourage an abundance of environmental activity. In addition,
marine vessels associated with the project will follow the precautionary measures recommended
by the USFWS for minimizing impacts to manatee. The guidelines published by the NMFS for
minimizing potential impacts to sea turtle and Smalltooth sawfish will also be followed. Appendix
B provides a copy of the referenced precautionary measures and guidelines.
Turbidity controls will be implemented at the material placement site to minimize the suspended
sediment re -introduced into the coastal waters surrounding the site. The effluent waters will be
detained within the material placement site through the use of a weir system to allow settling time
22

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
for the dredge effluent. Visual monitoring will also occur to help monitor the discharge waters and
limit the turbidity effects. The settling time for the dredge effluent will be increased at any point
when an increased turbidity plume becomes evident at the discharge location. Water quality testing
may also occur at the discharge location of the material placement site to help monitor potential
increases in turbidity. The tests, when considered necessary, will monitor the increase in NTU's
provided by the effluent discharge compared to a background or control site adjacent to the project
area.
The proposed maintenance dredging activities most likely will not create any long-term permanent
effects to the project site. Both the Feeder Canal and Bay Area have previously been dredged and
the current project does not exceed the original project footprint. Therefore, the project should not
create any changes to the overall sedimentology or hydrology of the water bodies. The most recent
maintenance dredging for the Feeder Canal occurred in 2002 and the initial dredging of both the
Feeder Canal and Bay Area occurred in early 1970's.
6.0 CONCLUSION
This biological assessment concludes the proposed maintenance dredging of South Jinks Creek,
the Feeder Canal and Bay Area and beneficial use placement of beach compatible material on the
oceanfront shoreline of Sunset Beach may have a potential effect on the listed species/designated
critical habitat within the vicinity of the project area. The action may affect and is likely to
adversely affect (MALAA) all five turtle species, red knot, piping plover, and seabeach amaranth.
The findings of the August 28, 2017 Statewide Programmatic Biological Opinion for North
Carolina Beach Sand Placement will fulfill the project -specific Section 7 responsibilities. In
addition, dredge and placement activities will be limited to November 16th through April 30th to
help minimize potential impacts. In addition, published guidelines and precautionary measures
from the USFWS SPBO and the NMFS will be implemented during the construction process to
reduce the potential for impacts.
7.0 REFERENCES
Alvarez-Aleman, A., C.A. Beck, and J.A. Powell. 2010. First report of a Florida manatee
(Trichechus manatus latirostris) in Cuba. Aquatic Mammals 36(2):148-153.
Beck, C. 2006. Florida manatee travels to Cape Cod, Massachusetts. Sirenews 46:15-16.
Bryan, A.L., Jr., W.B. Brooks, J.D. Taylor, D.M. Richardson, C.W. Jeske, and I.L. Brisbin, Jr.
2008. Satellite tracking large-scale movements of wood storks captured in the Gulf Coast
Region. Waterbirds 31 (Special Publication 1):35-41.
Cleary, W. J. and Marden, T. P. 1999. Shifting Shorelines: A Pictorial Atlas of North Carolina
Inlets. North Carolina Sea Grant. Raleigh, North Carolina
Cohen, J.B., E.H. Wunker, and J.D. Fraser. 2008. Substrate and vegetation selection by nesting
Piping Plovers. Wilson Journal of Ornithology 120(2):404-407.
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Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
Cohen, J.B., S.M. Karpanty, J.D. Fraser, and B.R. Truitt. 2010. The effect of benthic prey
abundance and size on red knot (Calidris canutus) distribution at an alternative migratory
stopover site on the US Atlantic Coast. Journal of Ornithology 151:355-364.
Coulter, M.C., J.A. Rodgers, J.C. Ogden, and F.C. Depkin. 1999. Wood stork (Mycteria
americana), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of
Ornithology. Retrieved from the Birds of North America Online:
http://bna.birds.comell.edu/bna/species/409.
Dinsmore, S.J., J.A. Collazo, and J.R. Walters. 1998. Seasonal Numbers and Distribution of
Shorebirds on North Carolina's Outer Banks. Wilson Bull. 110: 171-18.
Gillings, S., P.W. Atkinson, A.J. Baker, K.A. Bennett, N.A. Clark, K.B. Cole, P.M. Gonzalez, K.S.
Kalasz, C.D.T. Minton, L.J. Niles, R.C. Porter, I. De Lima Serrano, H.P. Sitters, and J.L.
Woods. 2009. Staging behavior in Red Knot (Calidris canutus) in Delaware Bay:
Implications for monitoring mass and population size. Auk 126(t):54-63.
Laist, D.W., C. Taylor, and J.E. Reynolds III. 2013. Winter habitat preferences for Florida
manatees and vulnerability to cold. PLoS ONE 8(3):e58978.
Lefebvre, L.W., J.P. Reid, W.J. Kenworthy, and J.A. Powell. 2000. Characterizing Manatee habitat
use and seagrass grazing in Florida and Puerto Rico: Implications for conservation and
management. Pacific Conservation Biology 5:289-298.
Lefebvre, L.W., M. Marmontel, J.P. Reid, G.B. Rathbun, and D.P. Domning. 2001. Status and
biogeography of the West Indian manatee. Pages 425-474 in Woods, C.A. and F.E.
Sergile, eds. Biogeography of the West Indies: Patterns and perspectives, 2d ed. Boca
Raton, Florida: CRC Press.
LeGrand, H. 2013. Wood stork— Mycteria americana in Birds of North Carolina: Their distribution
and abundance. Available at: http://www.carolinabirdclub.org/ncbirds/accounts.php.
Accessed on October 11, 2017.
NCNHP. 2017. Heritage Data. Available at: https://www.ncnhp.or /g data. Accessed on September
15, 2017.
Niles, L.J., H.P. Sitters, A.D. Dey, P.W. Atkinson, A.J. Baker, K.A. Bennett, R. Carmona, K.E.
Clark, N.A. Clark, C. Espoz, P.M. Gonzalez, B.A. Harrington, D.E. Hernandez, K.S.
Kalasz, R.G. Lathrop, R.N. Matus, C.D.T. Minton, R.I.G. Morrison, M.K. Peck, W. Pitts,
R.A. Robinson, and L L. Serrano. 2008. Status of the Red Knot, Calidris canutus rufa, in
the Western Hemisphere. Studies Avian Biol. 36: 1-185.
Niles, L.J., J. Burger, R.R. Porter, A.D. Dey, S. Koch, B. Harrington, K. Iaquinto, and M. Boarman.
2012. Migration pathways, migration speeds and non -breeding areas used by northern
hemisphere wintering Red Knots Calidris canutus of the subspecies rufa. Wader Study
Group Bulletin 119(3):1-9.
NMFS. 2017. Endangered and Threatened Marine Species under NMFS' Jurisdiction. Available
at: http://www.nmfs.noaa.gov/pr/species/esa/listed.htm. Accessed on September 14, 2017.
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Supplemental Biological Assessment
NOAA. 2017. Station SSBN7 — Sunset Beach Nearshore Waves (SUN2WAVE). Available at:
http://www.ndbc.noaa.gov/station page.php?station=SSBN7. Accessed on September 15,
2017.
Rathbun, G.B., R.K. Bonde, and D. Clay. 1982. The status of the West Indian manatee on the
Atlantic coast north of Florida. Pages 152-165 in Odom, R.R. and J.W. Guthrie, eds.
Proceedings of the Nongame and Endangered Wildlife Symposium.
Reynolds III, J.E. and J.C. Ferguson. 1984. Implications of the presence of manatees (Trichechus
manatus) near the Dry Tortugas Islands. Florida Scientist 47(3):187-189.
Reynolds III, J.E. and D.K. Odell, eds. 1991. Marine mammal strandings in the United States:
Proceedings of the Second Marine Mammal Stranding Workshop, Miami, Florida, 3-5
December 1987. NOAA Technical Report NMFS 98:1-157.
South Carolina Department of Natural Resources Marine Resources Division. 2017. Temporal and
spatial distribution of Atlantic sturgeon (Acipenser oxyrinchus) in U.S. Territorial waters
off South Carolina and Georgia. Final (2013 to 2017) Report to the National Marine
Fisheries Service National Oceanic and Atmospheric Administration. 217 Fort Johnson
Road Charleston, South Carolina. December 22, 2017. Grant Number
NA 13NMF4720045.
Tsipoura, N. and J. Burger. 1999. Shorebird diet during spring migration stopover on Delaware
Bay. Condor 101(3):635-644.
USFWS. 1994. Cooley's meadowrue recovery plan. Atlantic, Georgia: U.S. Fish and Wildlife
Service.
USFWS. 1995. Rough -leaved loosestrife recovery plan. Atlantic, Georgia: U.S. Fish and Wildlife
Service.
USFWS. 1996. Piping Plover (Charadrius melodus), Atlantic Coast Population, Revised Recovery
Plan. U.S. Fish and Wildlife Service, Hadley, MA.
USFWS. 2001. Florida Manatee Recovery Plan, (Trichechus manatus latirostris), Third Revision.
U.S. Fish and Wildlife Service. Atlanta, GA.
USFWS. 2003. Kemp's Ridley Sea Turtles in North Carolina. Available at:
hops://www.fws.gov/nc-es/reptile/ridley.html. Accessed on September 25, 2017.
USFWS. 2003. Recovery plan for the red -cockaded woodpecker (Picoides borealis): Second
revision.
USFWS. 2003. Loggerhead Sea Turtles in North Carolina. Available at: hops://www.fws. o
es/reptile/log ems. Accessed on September 25, 2017.
USFWS. 2007. Wood stork (*cteria americans). 5-Year review: Summary and evaluation.
Jacksonville, Florida: U.S. Fish and Wildlife Service, Southeast Region, Jacksonville
Ecological Services Field Office.
USFWS. 2008. Threatened and Endangered Species Descriptions. Available at:
http://www.fws.gov/nc-es/. Accessed on September 25, 2017.
25

Town of Sunset Beach — Navigation Project
Maintenance Dredging of S. Jinks Creek, the Bay Area & the Feeder Canal
Supplemental Biological Assessment
USFWS. 2011. Seabeach Amaranth. Available at:
https://www.fws.gov/raleigh/species/es_seabeach amaranth.html. Accessed on October
11, 2017.
USFWS. 2015. Endangered Species, Threatened Species, Federal Species of Concern, and
Candidate Species, Brunswick County, North Carolina. Available at:
https://www.fws.gov/raleigh/species/cntylist/brunswick.html. Accessed on September 14,
2017.
USFWS. 2016. Wood Stork Species Account/Biologue. Available at:
https://www.fws.gov/northflorida/Species-Accounts/Wood-stork-2005.htm. Accessed on
September 25, 2017.
USFWS. 2017. North Carolina Coastal Beach Sand Placement Statewide Programmatic Biological
Opinion. Service Log Number 04EN2000-2017-F-0126. Available at:
hLtps://www.fws.gov/raleigh/pdfs/spbo.pdf.
W

" x United States Department of the Interior
FISH AND WILDLIFE SERVICE
Raleigh Field Office
Post Office Box 33726
Raleigh, North Carolina 27636-3726
GUIDELINES FOR AVOIDING IMPACTS TO THE WEST INDIAN MANATEE
Precautionary Measures for Construction Activities in North Carolina Waters
The West Indian manatee (Trichechus manatus), also known as the Florida manatee, is
a Federally -listed endangered aquatic mammal protected under the Endangered Species
Act of 1973, as amended (16 U.S.C. 1531 et seq.) and the Marine Mammal Protection Act
of 1972, as amended (16 U.S.0 1461 et seq.). The manatee is also listed as endangered
under the North Carolina Endangered Species Act of 1987 (Article 25 of Chapter 113 of
the General Statutes). The U.S. Fish and Wildlife Service (Service) is the lead Federal
agency responsible for the protection and recovery of the West Indian manatee under the
provisions of the Endangered Species Act.
Adult manatees average 10 feet long and weigh about 2,200 pounds, although some
individuals have been recorded at lengths greater than 13 feet and weighing as much as
3,500 pounds. Manatees are commonly found in fresh, brackish, or marine water habitats,
including shallow coastal bays, lagoons, estuaries, and inland rivers of varying salinity
extremes. Manatees spend much of their time underwater or partly submerged, making
them difficult to detect even in shallow water. While the manatee's principal stronghold in
the United States is Florida, the species is considered a seasonal inhabitant of North
Carolina with most occurrences reported from June through October.
To protect manatees in North Carolina, the Service's Raleigh Field Office has prepared
precautionary measures for general construction activities in waters used by the species.
Implementation of these measure will allow in -water projects which do not require blasting
to proceed without adverse impacts to manatees. In addition, inclusion of these guidelines
as conservation measures in a Biological Assessment or Biological Evaluation, or as part
of the determination of impacts on the manatee in an environmental document prepared
pursuant to the National Environmental Policy Act, will expedite the Service's review of the
document for the fulfillment of requirements under Section 7 of the Endangered Species
Act. These measures include:
1. The project manager and/or contractor will inform all personnel associated with the
project that manatees may be present in the project area, and the need to avoid any harm
to these endangered mammals. The project manager will ensure that all construction
personnel know the general appearance of the species and their habit of moving about
completely or partially submerged in shallow water. All construction personnel will be
informed that they are responsible for observing water -related activities for the presence
of manatees.
2. The project manager and/or the contractor will advise all construction personnel that

there are civil and criminal penalties for harming, harassing, or killing manatees which are
protected under the Marine Mammal Protection Act and the Endangered Species Act.
3. If a manatee is seen within 100 yards of the active construction and/or dredging
operation or vessel movement, all appropriate precautions will be implemented to ensure
protection of the manatee. These precautions will include the immediate shutdown of
moving equipment if a manatee comes within 50 feet of the operational area of the
equipment. Activities will not resume until the manatee has departed the project area on
its own volition (i.e., it may not be herded or harassed from the area).
4. Any collision with and/or injury to a manatee will be reported immediately. The report
must be made to the U.S. Fish and Wildlife Service (ph. 919.856.4520 ext. 16), the
National Marine Fisheries Service (ph. 252.728.8762), and the North Carolina Wildlife
Resources Commission (ph. 252.448.1546).
5. A sign will be posted in all vessels associated with the project where it is clearly visible
to the vessel operator. The sign should state:
CAUTION: The endangered manatee may occur in these waters during the warmer
months, primarily from June through October. Idle speed is required if operating
this vessel in shallowwater during these months. All equipment must be shut down
if a manatee comes within 50 feet of the vessel or operating equipment. A collision
with and/or injury to the manatee must be reported immediately to the U.S. Fish and
Wildlife Service (919-856-4520 ext. 16), the National Marine Fisheries Service
(252.728.8762), and the North Carolina Wildlife Resources Commission
(252.448.1546).
6. The contractor will maintain a log detailing sightings, collisions, and/or injuries to
manatees during project activities. Upon completion of the action, the project managerwill
prepare a report which summarizes all information on manatees encountered and submit
the report to the Service's Raleigh Field Office.
7. All vessels associated with the construction project will operate at "no wake/idle" speeds
at all times while in water where the draft of the vessel provides less than a four foot
clearance from the bottom. All vessels will follow routes of deep water whenever possible.
8. If siltation barriers must be placed in shallow water, these barriers will be: (a) made of
material in which manatees cannot become entangled; (b) secured in a manner that they
cannot break free and entangle manatees; and, (c) regularly monitored to ensure that
manatees have not become entangled. Barriers will be placed in a manner to allow
manatees entry to or exit from essential habitat.
Prepared by (rev. 06/2003):
U.S. Fish and Wildlife Service
Raleigh Field Office
Post Office Box 33726
Raleigh, North Carolina 27636-3726
919/856-4520

Figure 1. The whole body of the West Indian manatee may be visible in clear water; but
in the dark and muddy waters of coastal North Carolina, one normally sees only a small
part of the head when the manatee raises its nose to breathe.
XTO
Illustration used with the permission of the North Carolina State Museum of Natural Sciences.
Source: Clark, M. K. 1987. Endangered, Threatened, and Rare Fauna of North Carolina: Part I.
A re-evaluation of the mammals. Occasional Papers of the North Carolina Biological Survey 1987-
3. North Carolina State Museum of Natural Sciences. Raleigh, NC. pp. 52.

UNITED STATES DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
NATIONAL MARINE FISHERIES SERVICE
Southeast Regional Office
263 13th Avenue South
St. Petersburg, FL 33701
SEA TURTLE AND SMALLTOOTH SAWFISH CONSTRUCTION CONDITIONS
The permittee shall comply with the following protected species construction conditions:
a. The permittee shall instruct all personnel associated with the project of the potential presence of
these species and the need to avoid collisions with sea turtles and smalltooth sawfish. All
construction personnel are responsible for observing water -related activities for the presence of
these species.
b. The permittee shall advise all construction personnel that there are civil and criminal penalties for
harming, harassing, or killing sea turtles or smalltooth sawfish, which are protected under the
Endangered Species Act of 1973.
c. Siltation barriers shall be made of material in which a sea turtle or smalltooth sawfish cannot
become entangled, be properly secured, and be regularly monitored to avoid protected species
entrapment. Barriers may not block sea turtle or smalltooth sawfish entry to or exit from
designated critical habitat without prior agreement from the National Marine Fisheries Service's
Protected Resources Division, St. Petersburg, Florida.
d. All vessels associated with the construction project shall operate at "no wake/idle" speeds at all
times while in the construction area and while in water depths where the draft of the vessel
provides less than a four -foot clearance from the bottom. All vessels will preferentially follow
deep -water routes (e.g., marked channels) whenever possible.
e. If a sea turtle or smalltooth sawfish is seen within 100 yards of the active daily
construction/dredging operation or vessel movement, all appropriate precautions shall be
implemented to ensure its protection. These precautions shall include cessation of operation of
any moving equipment closer than 50 feet of a sea turtle or smalltooth sawfish. Operation of any
mechanical construction equipment shall cease immediately if a sea turtle or smalltooth sawfish is
seen within a 50-ft radius of the equipment. Activities may not resume until the protected species
has departed the project area of its own volition.
f. Any collision with and/or injury to a sea turtle or smalltooth sawfish shall be reported
immediately to the National Marine Fisheries Service's Protected Resources Division (727-824-
5312) and the local authorized sea turtle stranding/rescue organization.
g. Any special construction conditions, required of your specific project, outside these general
conditions, if applicable, will be addressed in the primary consultation.
Revised: March 23, 2006
O:\forms\Sea Turtle and Smalltooth Sawfish Construction Conditions.doc

� StA�4
North Carolina Department of Natural and Cultural Resources
State Historic Preservation Office
Ramona M. Bartos, Administrator
Governor Roy Cooper
Secretary Susi H. Hamilton
October 3, 2017
Rebeckah Hollowell
Moffatt & Nichol
272 N. Front Street, Suite 204
Wilmington, NC 28401
rho 11owellnmoffattnichol.com
Office of Archives and l listory
Deputy Secretary Kevin Cherry
Re: Town of Sunset Beach Jinks Creek Channel Dredging Project, Brunswick County, ER 17-1757
Dear Ms. Hollowell:
Thank you for your letter of September 12, 2017, concerning the above project.
We have conducted a review of the project and are aware of no historic resources which would be
affected by the project. Therefore, we have no comment on the project as proposed.
The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36
CFR Part 800.
Thank you for your cooperation and consideration. If you have questions concerning the above comment,
please contact Renee Gledhill -Earley, environmental review coordinator, at 919-807-6579 or
[e-mail]. In all future communication concerning this project, please cite the
above -referenced tracking number.
Sincerely,
Ramona M. Bartos
Location: 109 Fast Jones Street, Raleigh NC 27601 Mailing Address: 4617 MU Service Center, Raleigh NC 27699-4617 Telephone/Pax: ()19) 807-6570/807-0599

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April 17, 2023
N.C. Division of Water Resources
127 Cardinal Drive Extension
Wilmington, NC 28405
To Whom It May Concern,
1/11
moffatt & nichol
The enclosed Section 401 Pre -Filing Notification is being submitted on behalf of the Town of
Sunset Beach. The Town of Sunset Beach intends to continue with additional maintenance
excavation activities under CAMA Permit No. 79-19 (DWR Project No. 2002-0125). In carrying
out this additional maintenance excavation, modified dredge footprints and improvements to the
temporary offloading area at the Majestic Oaks site are being proposed.
Moffatt and Nichol, on behalf of the Town of Sunset Beach, will be preparing permit
applications for these activities, following guidance provided by the Division of Coastal
Management. Should you have any questions about this Section 401 Pre -Filing Notification, or
if I can provide any additional information to facilitate your review of our findings, please feel
free to contact me at [phone] or by e-mail at [e-mail].
Sincerely,
Doug Huggett
Senior Permit Specialist
Moffatt and Nichol

AGENT AUTHORIZATION FOR CAMA PERMIT APPLICATION
Applicant:
Mailing Address:
Phone Number:
Town of Sunset Beach, NC
700 Sunset Boulevard North
Sunset Beach, NC 28468
910.579.6297 ext. 1003
Email Address: [e-mail]
The Town of Sunset Beach has authorized: Moffatt & Nichol
as an Agent to act on the Town's behalf, for the purpose of applying for and obtaining all CAMA permits
necessary for the project known as:
The project location is:
Town of Sunset Beach Navigation Project:
Maintenance Dredging of the Bay Area, and the Feeder Channel.
Sunset Beach, (Brunswick County), NC.
I further certify that I am authorized to grant, and do in fact grant permission to Division of Coastal
Management staff, the Local Permit Officer and their agents to enter on the aforementioned lands in
connection with evaluating information related to this permit application.
Town Representative:
076-t-J4 �- 1� - 171, /ou—
Lisa Anglin, Date
Town Administrator/Town Clerk

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DCM Coordinator: Cameron L�
DYNAMICS DISTRIBUTIONP Y
Circle one Bio Rep rt / Permit for:
Oversize Pla ent:
N
WIRO E-MAIL DISTRIBUTION SHEET
-'(rXjA Ok �'
County:
Permit
DCM Offices:
Morehead City: PT (if oversize) vXCocc Carn &Amanda on group emaarr.app.drawings, deed, comment sheet
*MHC documents (Cam & Amand
Wilmington: Original hard -copy
ONLY USACE & DWR (Wiro): Split Sheet Fee Chart (No recommendations)
USACE Wilmington:(Pender & Carteret Co): PN, CL, Reports, Split Sheet _
use both�rolley
[e-mail] (NH/BR): PN, CL, Reports, Split Sheet
rrey (NH/BR: PN, CL, Reports, Split Sheet
Div of Water Resources: nider - 401 (BR/NH): PN, CL, Reports, Split Sheet
nider - 401 (PN/ON — Surf City): PN, CL, Reports, Split Sheet
Div of Water Resources: vSfher! Montalvo for Karen Higgins: PN, CL, Reports, Split Sheet
r r Baker: PN, CL, Reports, SplitSheet
4ephanie Goss
chael Meilinger (training with Holley — send all until further notice)
arbara Dunn, [e-mail]
Marine Fisheries:
/Kim Harding
DCM PlannerlWiRO:
`M* ike Christenbury
Cultural Resources:
V16jenee Gledhill -Earley EnvironmentaEnvironmentaL Review@ncdenrgov_
Natural Heritage Prog.
`Klatural.Heritag�email (new)
DCA-Rural Eco. Dev:
%Xee Padrick (Ipadrick commerce.ncgov)
_
NC DOT:
David Harris
Wildlife Resources:
✓M//aria Dunn w/Reports
✓T)m
State Property Office:
Walton: DEED
.. l e Moser _
Vlanda Hilliard, Real Property Agent (Bio Reports only)
Shellfish Sanitation: Je emy Humphrey (Bio) / _
drew Haines
DEMLR: /Christine Hall - Stormwater Section
,an Sams - Land Quality Section
Public Water Supply: ,fi/eidi Cox
City of Wilmington:
Enforcement: Field Rep:
Co. LPO <'Wyl C `
Agent:
DISTRIBUTED:

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VIBRACORE LOGS

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-14
NORTHING: 45818
EASTING: 2153604
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.1 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 6.0 ft.
DEPTH IN SEDS.: 5.9 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/19/16
FINISH DATE: 08/19/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.1
0.0
-2.1
V14OH S01
S01
OH
� ,�
Gray, Silty SAND to Sandy ORGANIC SOIL
.-
5.4 -7.5
5.4
-7.5
V14-
SIP::::
5.9 Gray,poorlygraded SAND -8.0
5.9
-8.0
S02
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -8.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-15
NORTHING: 45665
EASTING: 2153018
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -1.0 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 2.3 ft.
DEPTH IN SEDS.: 7.4 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -1.0
0.0
-1.0
V15-
SP/
Gray, poorly graded SAND with silt
S01
SM
3.3
-4.3
3.3 -4.3
V15S02
02
SP
::
Light gray, poorly graded SAND
5.2
-6.2
-6.2
V155.2
S03
03
SC
Gray, Clayey SAND
7.4 -8.4
7.4
-8.4
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -8.4 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-16
NORTHING: 45535
EASTING: 2152438
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -4.9 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 5.3 ft.
DEPTH IN SEDS.: 5.0 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -4.9
0.0
-4.9
1
i
i,
O
i,
'
Gray, Sandy ORGANIC SOIL
01
S01
OH
,
3.7
-8.6
3.7 -8.6
V16-
SP/
Gray, poorly graded SAND with silt
S02
SM
5.0 -9.9
5
-9.9
BORING TERMINATED AT ELEVATION -9.9 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-16 & VC-18
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-17
NORTHING: 45341
EASTING: 2151866
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -4.6 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 4.8 ft.
DEPTH IN SEDS.: 4.9 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -4.6
0.0
-4.6
1
i
V17-
OL/
i
I
Gray, ORGANIC SOIL
S01
OH
2.9
-7.5
I
I
2.9 -7.5
V17-
S02
SP/
::
Gray, poorly graded SAND with silt
3.6 Y, p Y 9 -8.2
4 0
-8.6
V17-
CL
0 Gray, Sand Lean Clay-8.6
149Gray,
poorly graded SAND with silt
4
S03
SP/
4.9
-9.5
17-SO4
SM
-9.5
BORING TERMINATED AT ELEVATION -9.5 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-18
NORTHING: 45179
EASTING: 2151293
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 3.1 ft.
DEPTH IN SEDS.: 5.6 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -9.0 ft.
START DATE: 08/17/16
FINISH DATE: 08/17/16
BORING LOCATION: North Shore Drive Entrance Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.2
0.0
-2.2
-2.2
V18-
S01
SM
11
Gray, Silty SAND
220
-4.2
2.0 -4.2
V1618
V18-
S02
SM
Gray, Silty SAND
4.9
-7.1
" 4.9 -7.1
S03
SP
:�:�:
Light gray, poorly graded SAND
5.6 9 9 Y, P Y 9 -7.8
-7.8
5.6
-7.8
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -7.8 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-16 & VC-18
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-19
NORTHING: 45283
EASTING: 2154070
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 6.9 ft.
DEPTH IN SEDS.: 7.8 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/19/16
FINISH DATE: 08/19/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.2
0.0
-2.2
V19-
OL/
Gray, ORGANIC SOIL
S01
OH
;
6
-8.2
6.0 -8.2
17.8
No Recovery
-10.0
BORING TERMINATED AT ELEVATION -10.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-20
NORTHING: 45052
EASTING: 2153509
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 7.5 ft.
DEPTH IN SEDS.: 7.9 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/19/16
FINISH DATE: 08/19/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
D
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.2
0.0
-2.2
-2.2
V2022
V20-
S01
OL/
OH
;
Gray to dark gray, ORGANIC SOIL
-9.0
6.8 -9.0
6.8
-9.0
17.9
No Recovery
-10.1
BORING TERMINATED AT ELEVATION -10.1 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-20 & VC-22
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-21
NORTHING: 44896
EASTING: 2152926
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -3.5 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 5.4 ft.
DEPTH IN SEDS.: 6.5 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/18/16
FINISH DATE: 08/18/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -3.5
0.0
-3.5
V21-
OL/
Gray to dark gray, ORGANIC SOIL
S01
OH
;
6
-9.5
6.0 -9.5
6.5 No Recover -10.0
BORING TERMINATED AT ELEVATION -10.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-22
NORTHING: 44806
EASTING: 2152329
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -0.4 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 4.4 ft.
DEPTH IN SEDS.: 7.2 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -10.0 ft.
START DATE: 08/18/16
FINISH DATE: 08/18/16
BORING LOCATION: Canal Drive Bay Area
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
D
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -0.4
0.0
-0.4
-0.4
V22-
O
i
Gray, ORGANIC SOIL
v2022
S01
OHH
I ,
6.7
-7.1
-7.6
/'
6.7 -7.1
V22-
Sp
::::
7.2 Gra oorl graded SAND -7.6
7.2
-7.6
S02
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -7.6 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-20 & VC-22
BML = Below Mudline
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-23
NORTHING: 44643
EASTING: 2150941
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -4.2 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 6.5 ft.
DEPTH IN SEDS.: 3.0 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -4.2
0.0
-4.2
-4.2
pH
,'
0.7 Gray, ORGANIC SOIL to Silty SAND 4.9
0.8
-5.0
S01
2324252
V23-
23
Sp
::
Gray, poorly graded SAND
-7.2
:::::
.
30 -7.2
3
-7.2
BORING TERMINATED AT ELEVATION -7.2 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-24
NORTHING: 44686
EASTING: 2151300
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -3.1 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 4.0 ft.
DEPTH IN SEDS.: 5.0 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -3.1
0.0
-3.1
-3.1
O
i
Gray, ORGANIC SOIL
S01
01
OH
,
2324252
'
3.7
-6.8
3.7 -6.8
V24-
S02
SP
Gray, poorly graded SAND
-8.1
::::::
5.0 -8.1
5
-8.1
BORING TERMINATED AT ELEVATION -8.1 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-25
NORTHING: 44775
EASTING: 2151630
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.4 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 3.0 ft.
DEPTH IN SEDS.: 4.6 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.4
0.0
-2.4
-2.4
2324252
VS5-
S01
O
OHH
;,
,
Gray, ORGANIC SOIL
-6.4
, 4.0 -6.4
4
-6.4
4.6 No Recovery -7.0
BORING TERMINATED AT ELEVATION -7.0 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

VIBRACORE LOG
CATLIN
EngIneeis and Scientists
zieizz
Wilmington,
NC SHEET 1 OF 1
CATLINNO.: 215122
STATE: NC
COUNTY: BRUNSWICK
CITY: Sunset Beach
PROJECT NAME: Sunset Beach Pre -Dredge Analysis
LOGGED BY: Shawn McGuire
BORING ID.
OPERATOR: D.T. Chalmers, Jr.
VC-26
NORTHING: 44867
EASTING: 2151961
FIELD GEO.: Corey Futral
MUDLINE ELEV.: -2.4 ft.
SYSTEM: NCSP NAD 83 USft
MACHINE: PVL VC-3.5.2
WATER DEPTH: 3.0 ft.
DEPTH IN SEDS.: 4.7 ft.
METHOD: Vibracore
CORE MATERIAL: Unlined Acetate
CORE DIAMETER: 4 in.
TARGET ELEV.: -7.0 ft.
START DATE: 08/16/16
FINISH DATE: 08/16/16
BORING LOCATION: Finger Canals
ENV. SAMP.
GEOTECH
s
L
SEDIMENT DESCRIPTION
DEPTH ELEV.
ELEV. ID.
SAMPLE
c
s
°
DEPTH ELEVATION
0.0 Mudline -2.4
0.0
-2.4
-2.4
V26-
OL/
i
Gray, ORGANIC SOIL
S01
OH
2.6
-5.0
2324252
2.6 -5.0
V
S02
SP
Gray, poorly graded SAND
-7.1
....
4.7 -7.1
4.7
-7.1
BORING TERMINATED WITH VIBRACORE REFUSAL AT
ELEVATION -7.1 ft (MLW)
COMMENTS: All elevations referenced to Mean Low Water (MLW)
NOTES:
All depths and elevations in United States Feet (USft)
Composite sample collected for chemical analysis from borings VC-23, VC-24,
BML = Below Mudline
VC-25, & VC-26
VCR = Vibracore Refusal

Boring Designation SJ-02
DRILLING LOG
CLIENT
PROJECT OWNER
SHEET 1
Moffatt & Nichol
Town Of Sunset Beach, North Carolina
OF 1 SHEETS
1. PROJECT
9. SIZE AND TYPE OF BIT 3.0 In.
Town of Sunset Beach Navigation Project
10. COORDINATE SYSTEM/DATUM :HORIZONTAL VERTICAL
South Jinks Creek, Brunswick County, North Carolina
NC State Plane : NAD 1983 MLW
2. BORING DESIGNATION' LOCATION COORDINATES
11. MANUFACTURER'S DESIGNATION OF DRILL AUTO HAMMER
SJ-02 X = 2,154,275 Y = 45,987
0 MANUAL HAMMER
3. DRILLING AGENCY CONTRACTOR FILE NO.
DISTURBED UNDISTURBED (UD)
Athena Technologies, Inc.
12. TOTAL SAMPLES
1 4
4. NAME OF DRILLER
13. TOTAL NUMBER CORE BOXES
P. McClellan
14. WATER DEPTH 3.5 Ft.
5. DIRECTION OF BORING i DEG. FROM i BEARING
'STARTED 'COMPLETED
® VERTICAL 'VERTICAL '
OINCLINED
15. DATE BORING
; 01-03-19 08:27 01-03-19
6. THICKNESS OF OVERBURDEN 0.0 Ft.
16. ELEVATION TOP OF BORING 0.2 Ft.
7. DEPTH DRILLED INTO ROCK 0.0 Ft.
17. TOTAL RECOVERY FOR BORING 9.5 Ft.
18. SIGNATURE AND TITLE OF INSPECTOR
8. TOTAL DEPTH OF BORING 10.0 Ft.
A. Freeze
a
Q: W
J
Od
ELEV.
SCALE
w
CLASSIFICATION OF MATERIALS
%
REMARKS
(ft)
(ft)
W
Depths and elevations based on measured values
REC.
CQ
0.2
0.0
J
mN
Sample #S-1, Depth = 0.0'- 2.5'
Mean (mm): 0.16, Phi Sorting: 0.47
U)
Fines (#200) - 2.58 (SP)
Poorly graded SAND; mostly fine quartz
sand, trace inorganic silt in occasional layers
and laminations, trace fine sand -sized shell
in matrix, loose, subangular, olive gray
(5Y-5/2), (SP).
Sample #S-2, Depth = 3.0' - 5.0'
N
Mean (mm): 0.15, Phi Sorting: 0.35
Fines (#200) - 2.04 (SP)
-5.2
5.4
Sample #S-3, Depth = 5.4' - 6.2'
Poorly graded SAND with silt; mostly fine
quartz sand, few inorganic silt in matrix,
M
Mean (mm): 0.15, Phi Sorting: 0.49
burrows, layers and laminations, trace fine
Fines (#200) - 5.82 (SP-SM)
sand -sized shell in matrix, coarse
gravel -sized wood fragment at 7.3, loose,
Sample #C-1, Depth = 0.0'- 6.2'
subangular, bioturbated, dark gray (5Y-4/1),
Carbonate: 5.9%
-7.2
7.4
SP-SM .
U
Poorly graded SAND; mostly fine to medium
quartz sand, trace inorganic silt in occasional
burrows, trace fine sand -sized shell in matrix,
coarse gravel -sized shell at 8.4', loose,
subangular, gray (5Y-6/1), (SP).
-9.3
9.5
End of Boring
-5
am
-15
SAJ FORM 1836 MODIFIED FOR THE FLORIDA DEP
JUN 02 JUN 04
A3-2

LL
U,
0
0
a
w
0
0
O
DRILLING LOG CLIENT
Moffatt & Nichol
1. PROJECT
Town of Sunset Beach Navigation Project
South Jinks Creek, Brunswick County, North Carolina
2. BORING DESIGNATION' LOCATION COORDINATES
SJ-03 X = 2,154,213 Y = 45,751
3. DRILLING AGENCY CONTRACTOR FILE NO.
i
Athena Technologies, Inc.
4. NAME OF DRILLER
P. McClellan
5. DIRECTION OF BORING i DEG. FROM i BEARING
® VERTICAL ' VERTICAL '
0 INCLINED
6. THICKNESS OF OVERBURDEN 0.0 Ft.
7. DEPTH DRILLED INTO ROCK 0.0 Ft.
8. TOTAL DEPTH OF BORING 10.0 Ft.
G
ELEV. SCALE w CLASSIFICATION OF MATERIALS
(ft) (ft) W Depths and elevations based on measured value
0.3 0.0
Poorly graded SAND; mostly fine quartz
sand, trace inorganic silt in occasional
laminations, trace fine sand -sized shell in
matrix, loose, subangular, color changes to
olive gray (5Y 5/2) from, gray (5Y-6/1), (SP).
-6.6 6.9
Poorly graded SAND; mostly fine to medium
quartz sand, trace fine to coarse sand -sized
shell in matrix, trace inorganic silt in
occasional burrows, loose, subangular, light
gray (5Y-7/1), (SP).
End of Boring
DUllllly. UUZfl lldLIUll JJ-UO
PROJECT OWNER SHEET 1
Town Of Sunset Beach, North Carolina OF 1 SHEETS
9. SIZE AND TYPE OF BIT 3.0 In.
10. COORDINATE SYSTEM/DATUM :HORIZONTAL VERTICAL
NC State Plane : NAD 1983 MLW
11. MANUFACTURER'S DESIGNATION OF DRILL AUTO HAMMER
0 MANUAL HAMMER
' DISTURBED ' UNDISTURBED (UD)
12. TOTAL SAMPLES
4
13. TOTAL NUMBER CORE BOXES
14. WATER DEPTH 3.7 Ft.
'STARTED 'COMPLETED
15. DATE BORING
1 01-03-19 08:12 01-03-19
16. ELEVATION TOP OF BORING 0.3 Ft.
17. TOTAL RECOVERY FOR BORING 9.7 Ft.
18. SIGNATURE AND TITLE OF INSPECTOR
A. Freeze
0-1
% d REMARKS
s REC. OQ
COY
-1, Depth = 0.0' - 15Sample #S
In Mean (mm): 0.18, Phi Sorting: 0.40
Fines (#200) - 0.81 (SP)
N I Sample #S-2, Depth = 2.0' - 4.5'
In Mean (mm): 0.16, Phi Sorting: 0.41
Fines (#200) - 3.18 (SP)
M Sample #S-3, Depth = 5.0' - 6.3
cn Mean (mm): 0.18, Phi Sorting: 0.54
Fines (#200) - 1.57 (SP)
C) ISample #C-1, Depth = 0.0'- 6.3
Carbonate:4.5%
7
IN
LLI
SAJ FORM 1836 MODIFIED FOR THE FLORIDA DEP
JUN 02 JUN 04
A3-3
15

DRILLING LOG CLIENT
Moffatt & Nichol
1. PROJECT
Town of Sunset Beach Navigation Project
South Jinks Creek, Brunswick County, North Carolina
2. BORING DESIGNATION' LOCATION COORDINATES
SJ-04 X = 2,154,296 Y = 45,507
3. DRILLING AGENCY CONTRACTOR FILE NO.
i
Athena Technologies, Inc.
4. NAME OF DRILLER
P. McClellan
5. DIRECTION OF BORING i DEG. FROM i BEARING
® VERTICAL ' VERTICAL '
0 INCLINED
6. THICKNESS OF OVERBURDEN 0.0 Ft.
7. DEPTH DRILLED INTO ROCK 0.0 Ft.
8. TOTAL DEPTH OF BORING 10.5 Ft.
G
ELEV. SCALE w CLASSIFICATION OF MATERIALS
(ft) (ft) W Depths and elevations based on measured value!
1.1 0.0
Poorly graded SAND; mostly fine quartz
sand, trace inorganic silt in layers and
laminations, trace fine to medium sand -sized
shell in matrix, loose, subangular, gray
(5Y-5/1), (SP).
LL
Fat inorganic CLAY; mostly inorganic clay,
soft, moderate to high plasticity, very dark
gray (5Y-3/1), (CH).
End of Boring
U,
0
0
a
w
0
0
O
DUlilly. UUZfl lldLlUII JJ-U'F
PROJECT OWNER
SHEET 1
Town Of Sunset Beach, North Carolina
OF 1 SHEETS
9. SIZE AND TYPE OF BIT 3.0 In.
10. COORDINATE SYSTEM/DATUM :HORIZONTAL VERTICAL
NC State Plane : NAD 1983 MLW
11. MANUFACTURER'S DESIGNATION OF DRILL
0 AUTO HAMMER
0 MANUAL HAMMER
' DISTURBED
' UNDISTURBED (UD)
12. TOTAL SAMPLES
4
13. TOTAL NUMBER CORE BOXES
14. WATER DEPTH 3.5 Ft.
'STARTED 'COMPLETED
15. DATE BORING
01-03-19 07:21 01-03-19
16. ELEVATION TOP OF BORING 1.1 Ft.
17. TOTAL RECOVERY FOR BORING 10 Ft.
18. SIGNATURE AND TITLE OF INSPECTOR
A. Freeze
O-1
REC. I CQ REMARKS
COY
Sample #S-1, Depth = 0.0'- 2.5'
Mean (mm): 0.17, Phi Sorting: 0.44
Fines (#200) - 1.81 (SP)
Sample #S-2, Depth = 3.0' - 5.0'
N Mean (mm): 0.17, Phi Sorting: 0.43
U) Fines (#200) - 2.25 (SP)
(? I Sample #S-3, Depth = 5.0' - 7.1'
U) Mean (mm): 0.17, Phi Sorting: 0.36
Fines (#200) - 1.25 (SP)
ci ISample #C-1, Depth = 0.0'- 7.1'
Carbonate: 4.8%
7
IN
LLI
SAJ FORM 1836 MODIFIED FOR THE FLORIDA DEP
JUN 02 JUN 04
A3-4
15

GRADATION CURVES

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Terracon
Project:
Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mining Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-02
S-1
Depth: 0/2.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5Y 6/2
Tare Weight, (g)
Dry Weight After Washing (g):
49.62
177.62 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.01
99.99
100
0.01
#14
1.400
0.04
99.96
100
0.04
#18
1.000
0.09
99.89
100
0.09
#25
0.710
0.21
99.73
95
0.20
#35
0.500
0.55
99.30
40
0.22
#45
0.355
1.75
97.93
30
0.53
#60
0.250
9.13
90.80
10
0.91
#80
0.180
23.54
72.41
1
0.24
#120
0.125
69.17
18.37
0
0.00
#170
0.090
18.99
3.53
0
0.00
#200
1 0.075
1 1.22
2.58
0
0.00
#230
1 0.063
1 0.221
2.411
0
0.00
Total Shell Content: 1 2 1
A4-5

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Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mining Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-02
S-2
Depth: 3/5
Date: 1 /18/2019
SAND, poorly -graded, mostly fine-grained quartz, trace silt, trace medium to
fine sand -sized shell fragments (SP) 5Y 5/2
Tare Weight, (g)
Dry Weight After Washing (g):
49.83
179.54 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.00
100.00
0
0.00
#14
1.400
0.00
100.00
0
0.00
#18
1.000
0.03
99.98
100
0.03
#25
0.710
0.04
99.95
100
0.04
#35
0.500
0.08
99.88
95
0.08
#45
0.355
0.21
99.72
50
0.11
#60
0.250
1.83
98.31
15
0.27
#80
0.180
18.22
84.26
1
0.18
#120
0.125
79.75
22.78
0
0.00
#170
0.090
25.34
3.25
0
0.00
#200
0.075
1.57
2.04
0
0.00
#230
1 0.063
0.191
1.891
01
0.00
Total Shell Content: 1 1 1
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Description:
9655 Florida Mining Boulevard West
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[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ181220
SJ-02
S-3
Depth: 5.4/6.2
Date: 1 /18/2019
SAND, poorly -graded with silt, mostly medium to fine-grained quartz, few
silt, trace medium to fine sand -sized shell fragments (SP-SM) 5Y 5/2
Tare Weight, (g)
Dry Weight After Washing (g):
52.03
153.18 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.03
99.97
50
0.02
#14
1.400
0.02
99.95
50
0.01
#18
1.000
0.12
99.83
50
0.06
#25
0.710
0.20
99.63
30
0.06
#35
0.500
0.53
99.11
20
0.11
#45
0.355
1.17
97.95
15
0.18
#60
0.250
3.53
94.46
5
0.18
#80
0.180
13.62
81.00
1
0.14
#120
0.125
49.62
31.94
0
0.00
#170
0.090
24.17
8.05
0
0.00
#200
1 0.075
1 2.25
5.82
0
0.00
#230
1 0.063
1 0.441
5.391
01
0.00
Total Shell Content: 1 1 1
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Project No.:
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Sample No.:
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9655 Florida Mining Boulevard West
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[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-03
S-1
Depth: 0/1.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 10Y 6/1
Tare Weight, (g)
Dry Weight After Washing (g):
49.52
154.46 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.01
99.99
100
0.01
#14
1.400
0.02
99.97
100
0.02
#18
1.000
0.02
99.95
100
0.02
#25
0.710
0.12
99.84
95
0.11
#35
0.500
0.31
99.54
75
0.23
#45
0.355
0.98
98.61
50
0.49
#60
0.250
7.22
91.73
10
0.72
#80
0.180
35.89
57.53
1
0.36
#120
0.125
53.46
6.58
0
0.00
#170
0.090
5.84
1.02
0
0.00
#200
1 0.075
1 0.22
0.81
0
0.00
#230
1 0.063
1 0.031
0.781
0
0.00
Total Shell Content: 1 2 1
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Project No.:
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Sample No.:
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9655 Florida Mining Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-03
S-2
Depth: 2/4.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5GY 5/2
Tare Weight, (g)
Dry Weight After Washing (g):
51.42
150.46 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.01
99.99
100
0.01
#14
1.400
0.04
99.95
60
0.02
#18
1.000
0.07
99.88
20
0.01
#25
0.710
0.09
99.79
60
0.05
#35
0.500
0.16
99.63
80
0.13
#45
0.355
0.50
99.12
70
0.35
#60
0.250
4.65
94.43
15
0.70
#80
0.180
26.75
67.42
1
0.27
#120
0.125
53.34
13.56
0
0.00
#170
0.090
9.68
3.79
0
0.00
#200
1 0.075
1 0.60
3.18
0
0.00
#230
1 0.063
1 0.101
3.081
01
0.00
Total Shell Content: 1 2 1
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Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mining Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-03
S-3
Depth: 5/6.3
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5GY 5/2
Tare Weight, (g)
Dry Weight After Washing (g):
50.48
167.63 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.02
99.98
100
0.02
#14
1.400
0.13
99.87
100
0.13
#18
1.000
0.09
99.80
100
0.09
#25
0.710
0.47
99.39
60
0.28
#35
0.500
1.35
98.24
25
0.34
#45
0.355
3.75
95.04
10
0.38
#60
0.250
11.28
85.41
1
0.11
#80
0.180
26.89
62.46
0
0.00
#120
0.125
60.10
11.16
0
0.00
#170
0.090
10.79
1.95
0
0.00
#200
0.075
0.44
1.57
0
0.00
#230
1 0.063
1 0.041
1.541
01
0.00
Total Shell Content: 1 1 1
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Project No.:
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Sample No.:
Description:
9655 Florida Mining Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-04
S-1
Depth: 0/2.5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 10Y 6/1
Tare Weight, (g)
Dry Weight After Washing (g):
52.19
159.83 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.00
100.00
0
0.00
#14
1.400
0.04
99.96
10
0.00
#18
1.000
0.10
99.87
95
0.10
#25
0.710
0.26
99.63
50
0.13
#35
0.500
0.43
99.23
35
0.15
#45
0.355
1.03
98.27
25
0.26
#60
0.250
7.97
90.87
5
0.40
#80
0.180
32.84
60.36
1
0.33
#120
0.125
54.19
10.01
0
0.00
#170
0.090
8.36
2.25
0
0.00
#200
0.075
0.47
1.81
0
0.00
#230
0.063
0.081
1.741
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Total Shell Content: 1 1 1

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Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mining Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-04
S-2
Depth: 3/5
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5Y 5/2
Tare Weight, (g)
Dry Weight After Washing (g):
51.60
166.72 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.02
99.98
0
0.00
#14
1.400
0.05
99.94
10
0.01
#18
1.000
0.05
99.90
20
0.01
#25
0.710
0.12
99.79
50
0.06
#35
0.500
0.27
99.56
50
0.14
#45
0.355
0.70
98.95
50
0.35
#60
0.250
7.09
92.79
10
0.71
#80
0.180
38.18
59.62
1
0.38
#120
0.125
54.50
12.28
0
0.00
#170
0.090
9.88
3.70
0
0.00
#200
1 0.075
1 1.67
2.25
0
0.00
#230
1 0.063
1 0.111
2.151
0
0.00
Total Shell Content: 1 1 1
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Project:
Project No.:
Boring No.:
Sample No.:
Description:
9655 Florida Mining Boulevard West
Jacksonville, Florida 32257
[phone] (Tel) - [phone] (Fax)
VISUAL SHELL CONTENT
GRAIN SIZE AND VISUAL SHELL CONTENT
M&N Sunset Beach NC
EQ191008
SJ-04
S-3
Depth: 5/7.1
Date: 1 /18/2019
SAND, poorly -graded, mostly medium to fine-grained quartz, trace silt, trace
medium to fine sand -sized shell fragments (SP) 5GY 5/2
Tare Weight, (g)
Dry Weight After Washing (g):
52.09
184.60 (with tare)
(with tare)
Sieve Size
(Name)
Sieve Size
(mm)
Weight
Retained (g)
o
/o Passing
Approx'
Visual Shell
%
Approx. Visual
Shell Wt. (g)
3/4"
19.000
0.00
100.00
0
0.00
5/8"
16.000
0.00
100.00
0
0.00
7/16
11.112
0.00
100.00
0
0.00
5/16
7.938
0.00
100.00
0
0.00
#3.5
5.600
0.00
100.00
0
0.00
#4
4.750
0.00
100.00
0
0.00
#5
4.000
0.00
100.00
0
0.00
#7
2.800
0.00
100.00
0
0.00
#10
2.000
0.00
100.00
0
0.00
#14
1.400
0.02
99.98
25
0.01
#18
1.000
0.01
99.98
100
0.01
#25
0.710
0.06
99.93
90
0.05
#35
0.500
0.12
99.84
80
0.10
#45
0.355
0.42
99.52
80
0.34
#60
0.250
4.77
95.92
30
1.43
#80
0.180
43.21
63.32
1
0.43
#120
0.125
71.80
9.13
0
0.00
#170
0.090
9.96
1.61
0
0.00
#200
0.075
0.48
1.25
0
0.00
#230
1 0.063
1 0.051
1.221
0
0.00
Total Shell Content: 1 2 1
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VIBRACORE PHOTOGRAPHS

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 13 of 19
VC-13-3
i��j�rjil���q�f�i�ir�i�u����q��i�ji�u�r�ii��pii�i1�i�i�irp�ii�i�ti�r,N�i�4i��tn�r�iili�ii{i�uyiliiyi�n4i�E�,��;;j�illyiilitlil►Illl_tilrtiti►tititti�ti�
•� ... r_� m [ff -1 m [O r r N W .O, En Gl f +] . m CO N N uj .A Ln Ol -] tC! i_ tom,] N, id a. to c
Top Elevation: -3.1 MLW
Sample Length: 3.4 ft
Bottom Elevation: -6.5 MLW
Top Elevation: -2.1 MLW Bottom Elevation: -8.0 MLW
Sample Length: 5.9 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 14 of 19
Top Elevation: -4.9 MLW Bottom Elevation: -9.9 MLW
Sample Length: 5.0 ft
Top Elevation: -4.6 MLW Bottom Elevation: -9.5 MLW
Sample Length: 4.9 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs
Sample VC-18
Page 15 of 19
Top Elevation: -2.2 MLW Bottom Elevation: -7.8 MLW
Sample Length: 5.6 ft
Top Elevation: -2.2 MLW Bottom Elevation: -8.2 MLW
Sample Length: 6.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs
Sample VC-20
Page 16 of 19
Top Elevation: -2.2 MLW Bottom Elevation: -9.0 MLW
Sample Length: 6.8 ft
Sample VC-21
Top Elevation: -3.5 MLW Bottom Elevation: -9.5 MLW
Sample Length: 6.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 17 of 19
Top Elevation: -0.4 MLW Bottom Elevation: -7.6 MLW
Sample Length: 7.2 ft
Top Elevation: -4.2 MLW Bottom Elevation: -7.2 MLW
Sample Length: 3.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs Page 18 of 19
Top Elevation: -3.1 MLW Bottom Elevation: -8.1 MLW
Sample Length: 5.0 ft
Sample VC-25
Top Elevation: -2.4 MLW Bottom Elevation: -6.4 MLW
Sample Length: 4.0 ft

Town of Sunset Beach
2016 Pre -Dredge Analysis
Sediment Photographs
Sample VC-26
Page 19 of 19
Top Elevation: -2.4 MLW Bottom Elevation: -7.1 MLW
Sample Length: 4.7 ft

AS-2
0■n 5nr
1
2
3
n
5
�e
7 M M SJ-02
Moffatt & Nichol
Town of Sunset Beach
Navigation Project
South Jinks Creek
Brunswick County,
North Carolina
8 Top Elev. (ft MLW): 0.2
Bottom Elev. (ft MLW): -9.3
Notes:
Photo Mosaic Image
Photo Scale in Feet
9
ASH E IyA
TECHNOLOGIES, INC.
Athena Technologies, Inc.
1293 Graham Farm Road
McClellanville, SC 29458
www.athenatechnologies.com
1 0 [phone]

IC
A5-3
1
2
3
n
�I
�e
a
10
SJ -03
Moffatt & Nichol
Town of Sunset Beach
Navigation Project
South Jinks Creek
Brunswick County,
North Carolina
Top Elev. (ft MLW): 0.3
Bottom Elev. (ft MLW): -9.4
Notes:
Photo Mosaic Image
Photo Scale in Feet
<�a>
ASH E IyA
TECHNOLOGIES, INC.
Athena Technologies, Inc.
1293 Graham Farm Road
McClellanville, SC 29458
www.athenatechnologies.com
[phone]

1
2
3
n
�e
a
10
-- _a
A5-4
SJ -04
Moffatt & Nichol
Town of Sunset Beach
Navigation Project
South Jinks Creek
Brunswick County,
North Carolina
Top Elev. (ft MLW): 1.1
Bottom Elev. (ft MLW): -8.9
Notes:
Photo Mosaic Image
Photo Scale in Feet
<�a>
A7H E IyA
TECHNOLOGIES, INC.
Athena Technologies, Inc.
1293 Graham Farm Road
McClellanville, SC 29458
www.athenatechnologies.com
[phone]

CALCITE COMPOSITE

Irerracon
Consulting Engineers & Scientists;
Project Name:
Project Number:
Date:
Carbonate Content Data
M&N Sunset Beach
EQ191008
1 /29/2019
I Boring No. I Sample No.l Depth Range, I Tare No. I Beaker No. I Dry Sample Wt. I Percent I
Feet Before After Carbonate
SJ-03
C-1
0-6.3
228
3
79.86
76.30
4.5
SJ-04
C-1
0-7.1
441
4
77.54
73.84
4.8
SJ-05 C-1 1 0-3.7 1 198 1 5 1 87.16 1 83.60 1 4.1
SJ-06 C-1 1 0-6.5 1 66 1 6 1 84.43 1 80.74 1 4.4
Tested By: CRM Sr.
Reviewed By: TES

CHEMICAL ANALYSIS

SG-91-
ACCUTEST
Southeast
Sample Results
Report of Analysis
Section 4
�r±��++
9 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8270D BY SIM SW846 3546 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 W094790.1) 1 09/07/16 MG 09/06/16 OP61755 SW4248
Run #2
Initial Weight Final Volume
Run#1 15.3g 1.0ml
Run #2
BN PAH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
0.14
0.055
mg/kg
208-96-8
Acenaphthylene
ND
0.14
0.055
mg/kg
120-12-7
Anthracene
ND
0.14
0.034
mg/kg
56-55-3
Benzo(a)anthracene
ND
0.027
0.0068
mg/kg
50-32-8
Benzo(a)pyrene
ND
0.027
0.0068
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
0.027
0.0068
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
0.027
0.0068
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
0.027
0.0068
mg/kg
218-01-9
Chrysene
ND
0.027
0.0068
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
0.027
0.0068
mg/kg
206-44-0
Fluoranthene
ND
0.14
0.034
mg/kg
86-73-7
Fluorene
ND
0.14
0.055
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
0.027
0.0068
mg/kg
90-12-0
1-Methylnaphthalene
ND
0.14
0.055
mg/kg
91-57-6
2-Methylnaphthalene
ND
0.14
0.055
mg/kg
91-20-3
Naphthalene
ND
0.14
0.055
mg/kg
85-01-8
Phenanthrene
ND
0.14
0.034
mg/kg
129-00-0
Pyrene
ND
0.14
0.034
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
4165-60-0
Nitrobenzene-d5
84%
40-105%
321-60-8
2-Fluorobiphenyl
83%
43-107%
1718-51-0
Terphenyl-d14
73%
45-119%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
16 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP VPH REV 1.1 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 UU017068.D 1 09/O1/16 CG n/a n/a GUU879
Run #2
Initial Weight Final Volume Methanol Aliquot
Run #1 5.86 g 5.1 ml 100 ul
Run #2
MADEP VPH List
CAS No.
Compound
Result
RL
MDL
Units Q
71-43-2
Benzene
ND
0.15
0.15
mg/kg
100-41-4
Ethylbenzene
ND
0.29
0.15
mg/kg
1634-04-4
Methyl Tert Butyl Ether
ND
0.29
0.15
mg/kg
91-20-3
Naphthalene
ND
0.73
0.44
mg/kg
108-88-3
Toluene
ND
0.29
0.15
mg/kg
m,p-Xylene
ND
0.58
0.29
mg/kg
95-47-6
o-Xylene
ND
0.29
0.15
mg/kg
C5- C8 Aliphatics (Unadj.)
ND
15
5.1
mg/kg
C9- C12 Aliphatics (Unadj.)
ND
15
5.1
mg/kg
C9- C10 Aromatics (Unadj.)
ND
15
5.1
mg/kg
C5- C8 Aliphatics
ND
15
5.1
mg/kg
C9- C12 Aliphatics
ND
15
5.1
mg/kg
C9- CIO Aromatics
ND
15
5.1
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
460-00-4
BFB
155% a
70-130%
460-00-4
BFB
159% a
70-130%
(a) Outside
control limits due to moisture content.
ND = Not detected MDL = Method Detection Limit
RL = Reporting Limit
E = Indicates value exceeds calibration range
J = Indicates an estimated value
B = Indicates analyte found in associated method blank
N = Indicates presumptive evidence of a compound
17 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP EPH REV 1.1 SW846 3546 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 NN01601I.D 1 09/08/16 FS 09/06/16 OP61759 GNN794
Run #2
Initial Weight Final Volume
Run #1 3.3 g 2.0 ml
Run #2
MAEPH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
2.5
1.3
mg/kg
208-96-8
Acenaphthylene
ND
2.5
1.3
mg/kg
120-12-7
Anthracene
ND
2.5
1.3
mg/kg
56-55-3
Benzo(a)anthracene
ND
2.5
1.3
mg/kg
50-32-8
Benzo(a)pyrene
ND
2.5
1.3
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
2.5
1.3
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
2.5
1.3
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
2.5
1.3
mg/kg
218-01-9
Chrysene
ND
2.5
1.3
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
2.5
1.3
mg/kg
206-44-0
Fluoranthene
ND
2.5
1.3
mg/kg
86-73-7
Fluorene
ND
2.5
1.3
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
2.5
1.3
mg/kg
91-57-6
2-Methylnaphthalene
ND
2.5
1.3
mg/kg
91-20-3
Naphthalene
ND
2.5
1.3
mg/kg
85-01-8
Phenanthrene
ND
2.5
1.3
mg/kg
129-00-0
Pyrene
ND
2.5
1.3
mg/kg
C11-C22 Aromatics (Unadj.)
ND
130
95
mg/kg
C11-C22 Aromatics
ND
130
95
mg/kg
C9-C18 Aliphatics
ND
130
63
mg/kg
C 19-C36 Aliphatics
ND
130
63
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
3386-33-2
1-Chlorooctadecane
78%
40-140%
580-13-2
2-Bromonaphthalene
94%
40-140%
84-15-1
o-Terphenyl
71%
40-140%
321-60-8
2-Fluorobiphenyl
81%
40-140%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
18 of 77
SGS AccklTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8081B SW846 3546 Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID
DF
Analyzed
By
Prep Date
Prep Batch
Analytical Batch
Run # 1 KK78609.D
1
09/ 14/ 16
NG
09/09/ 16
OP61809
GKK2537
Run #2a KK78589.D
10
09/14/16
NG
09/09/16
OP61809
GKK2537
Initial Weight Final Volume
Run #1 4.00 g 5.0 ml
Run #2 4.00 g 5.0 ml
Pesticide PPL List
CAS No.
Compound
Result
309-00-2
Aldrin
ND
319-84-6
alpha-BHC b
ND
319-85-7
beta-BHC b
ND
319-86-8
delta-BHC
ND
58-89-9
gamma-BHC (Lindane) b
ND
12789-03-6
Chlordane
ND
60-57-1
Dieldrin
ND
72-54-8
4,4' -DDD b
ND
72-55-9
4,4' -DDE
ND
50-29-3
4,4' -DDT
ND
72-20-8
Endrin
ND
1031-07-8
Endosulfan sulfate
ND
7421-93-4
Endrin aldehyde
ND
959-98-8
Endosulfan-I
ND
33213-65-9
Endosulfan-II
ND
76-44-8
Heptachlor
ND
1024-57-3
Heptachlor epoxide
ND
72-43-5
Methoxychlor
ND °
8001-35-2
Toxaphene
ND
CAS No.
Surrogate Recoveries
Run# 1
877-09-8
Tetrachloro-m-xylene
101%
2051-24-3
Decachlorobiphenyl
92%
(a) Dilution required due to matrix interference.
(b) Associated CCV outside control limits.
(c) Result is
from Run# 2
RL
MDL
Units Q
0.013
0.0040
mg/kg
0.013
0.0040
mg/kg
0.013
0.0040
mg/kg
0.013
0.0038
mg/kg
0.013
0.0040
mg/kg
0.13
0.052
mg/kg
0.013
0.0049
mg/kg
0.026
0.0045
mg/kg
0.026
0.0042
mg/kg
0.26
0.051
mg/kg
0.026
0.0049
mg/kg
0.026
0.0049
mg/kg
0.026
0.0049
mg/kg
0.013
0.0038
mg/kg
0.013
0.0048
mg/kg
0.013
0.0044
mg/kg
0.013
0.0046
mg/kg
0.26
0.067
mg/kg
0.65
0.26
mg/kg
Run# 2 Limits
105% 50-122%
106% 50-133%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
19 of 77
SGS AccklTEST
FA36573

SGS Accutest
Report of Analysis Page 1 of 1
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Metals Analysis
Analyte
Result
RL
Units
DF
Prep
Analyzed
By
Method
Prep Method
Antimony
< 1.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Arsenic
6.2
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Beryllium
< 0.44
0.44
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Cadmium
< 0.35
0.35
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Chromium
24.3
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Copper
7.5
2.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Lead
7.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Mercury
< 0.079
0.079
mg/kg
1
09/08/ 16
09/08/ 16
.it,
SW846 7471B 2
SW846 7471B 4
Nickel
4.6
3.5
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Selenium
< 1.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Silver
< 0.88
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Thallium
< 0.88
0.88
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Zinc
23.8
1.8
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
(1) Instrument QC Batch: MA13390
(2) Instrument QC Batch: MA13391
(3) Prep QC Batch: MP30803
(4) Prep QC Batch: MP30806
RL = Reporting Limit
20 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V23242526
Lab Sample ID: FA36573-2 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 47.9
Project: 215122; Sunset Beach, NC
Page 1 of l
General Chemistry
Analyte
Result
RL Units
DF
Analyzed
By Method
HEM Oil and Grease
< 960
960 mg/kg
1
09/ 10/ 16 15:00
xc Sw846 9071E
Solids, Percent
47.9
%
1
09/01/16 12:15
.it, SM192540G
Total Organic Carbon
65500
2100 mg/kg
1
09/ 12/ 16 13:38
FN Sw846 9060A M
RL = Reporting Limit
�±�*
21 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8270D BY SIM SW846 3546 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 W09479LD 1 09/07/16 MG 09/06/16 OP61755 SW4248
Run #2
Initial Weight Final Volume
Run#1 15.5g 1.0ml
Run #2
BN PAH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
0.18
0.072
mg/kg
208-96-8
Acenaphthylene
ND
0.18
0.072
mg/kg
120-12-7
Anthracene
ND
0.18
0.045
mg/kg
56-55-3
Benzo(a)anthracene
ND
0.036
0.0090
mg/kg
50-32-8
Benzo(a)pyrene
ND
0.036
0.0090
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
0.036
0.0090
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
0.036
0.0090
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
0.036
0.0090
mg/kg
218-01-9
Chrysene
ND
0.036
0.0090
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
0.036
0.0090
mg/kg
206-44-0
Fluoranthene
ND
0.18
0.045
mg/kg
86-73-7
Fluorene
ND
0.18
0.072
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
0.036
0.0090
mg/kg
90-12-0
1-Methylnaphthalene
ND
0.18
0.072
mg/kg
91-57-6
2-Methylnaphthalene
ND
0.18
0.072
mg/kg
91-20-3
Naphthalene
ND
0.18
0.072
mg/kg
85-01-8
Phenanthrene
ND
0.18
0.045
mg/kg
129-00-0
Pyrene
ND
0.18
0.045
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
4165-60-0
Nitrobenzene-d5
96%
40-105%
321-60-8
2-Fluorobiphenyl
90%
43-107%
1718-51-0
Terphenyl-d14
89%
45-119%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
22 of 77
a7G ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP VPH REV 1.1 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 UU017069.D 1 09/O1/16 CG n/a n/a GUU879
Run #2
Initial Weight Final Volume Methanol Aliquot
Run #1 4.74 g 5.1 ml 100 ul
Run #2
MADEP VPH List
CAS No.
Compound
Result
RL
MDL
Units Q
71-43-2
Benzene
ND
0.24
0.24
mg/kg
100-41-4
Ethylbenzene
ND
0.48
0.24
mg/kg
1634-04-4
Methyl Tert Butyl Ether
ND
0.48
0.24
mg/kg
91-20-3
Naphthalene
ND
1.2
0.72
mg/kg
108-88-3
Toluene
ND
0.48
0.24
mg/kg
m,p-Xylene
ND
0.96
0.48
mg/kg
95-47-6
o-Xylene
ND
0.48
0.24
mg/kg
C5- C8 Aliphatics (Unadj.)
ND
24
8.4
mg/kg
C9- C12 Aliphatics (Unadj.)
ND
24
8.4
mg/kg
C9- C10 Aromatics (Unadj.)
ND
24
8.4
mg/kg
C5- C8 Aliphatics
ND
24
8.4
mg/kg
C9- C12 Aliphatics
ND
24
8.4
mg/kg
C9- CIO Aromatics
ND
24
8.4
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
460-00-4
BFB
105%
70-130%
460-00-4
BFB
108%
70-130%
ND = Not detected MDL = Method Detection Limit
RL = Reporting Limit
E = Indicates value exceeds calibration range
J = Indicates an estimated value
B = Indicates analyte found in associated method blank
N = Indicates presumptive evidence of a compound
23 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP EPH REV 1.1 SW846 3546 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 NN016012.1) 1 09/08/16 FS 09/06/16 OP61759 GNN794
Run #2
Initial Weight Final Volume
Run # 1 3.5 g 2.0 ml
Run #2
MAEPH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
3.2
1.6
mg/kg
208-96-8
Acenaphthylene
ND
3.2
1.6
mg/kg
120-12-7
Anthracene
ND
3.2
1.6
mg/kg
56-55-3
Benzo(a)anthracene
ND
3.2
1.6
mg/kg
50-32-8
Benzo(a)pyrene
ND
3.2
1.6
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
3.2
1.6
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
3.2
1.6
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
3.2
1.6
mg/kg
218-01-9
Chrysene
ND
3.2
1.6
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
3.2
1.6
mg/kg
206-44-0
Fluoranthene
ND
3.2
1.6
mg/kg
86-73-7
Fluorene
ND
3.2
1.6
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
3.2
1.6
mg/kg
91-57-6
2-Methylnaphthalene
ND
3.2
1.6
mg/kg
91-20-3
Naphthalene
ND
3.2
1.6
mg/kg
85-01-8
Phenanthrene
ND
3.2
1.6
mg/kg
129-00-0
Pyrene
ND
3.2
1.6
mg/kg
C11-C22 Aromatics (Unadj.)
ND
160
120
mg/kg
C11-C22 Aromatics
ND
160
120
mg/kg
C9-C18 Aliphatics
ND
160
80
mg/kg
C 19-C36 Aliphatics
ND
160
80
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
3386-33-2
1-Chlorooctadecane
63%
40-140%
580-13-2
2-Bromonaphthalene
89%
40-140%
84-15-1
o-Terphenyl
65%
40-140%
321-60-8
2-Fluorobiphenyl
78%
40-140%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
24 of 77
a7G ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8081B SW846 3546 Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID
DF
Analyzed
By
Prep Date
Prep Batch
Analytical Batch
Run # 1 KK78610.D
1
09/ 14/ 16
NG
09/09/ 16
OP61809
GKK2537
Run #2a KK78590.D
10
09/14/16
NG
09/09/16
OP61809
GKK2537
Initial Weight Final Volume
Run #1 4.30 g 5.0 ml
Run #2 4.30 g 5.0 ml
Pesticide PPL List
CAS No.
Compound
Result
309-00-2
Aldrin
ND
319-84-6
alpha-BHC b
ND
319-85-7
beta-BHC b
ND
319-86-8
delta-BHC
ND
58-89-9
gamma-BHC (Lindane) b
ND
12789-03-6
Chlordane
ND
60-57-1
Dieldrin
ND
72-54-8
4,4' -DDD b
ND
72-55-9
4,4' -DDE
ND
50-29-3
4,4' -DDT
ND
72-20-8
Endrin
ND
1031-07-8
Endosulfan sulfate
ND
7421-93-4
Endrin aldehyde
ND
959-98-8
Endosulfan-I
ND
33213-65-9
Endosulfan-II
ND
76-44-8
Heptachlor
ND
1024-57-3
Heptachlor epoxide
ND
72-43-5
Methoxychlor
ND °
8001-35-2
Toxaphene
ND
CAS No.
Surrogate Recoveries
Run# 1
877-09-8
Tetrachloro-m-xylene
101%
2051-24-3
Decachlorobiphenyl
92%
(a) Dilution required due to matrix interference.
(b) Associated CCV outside control limits.
(c) Result is
from Run# 2
RL
MDL
Units Q
0.016
0.0049
mg/kg
0.016
0.0050
mg/kg
0.016
0.0050
mg/kg
0.016
0.0047
mg/kg
0.016
0.0050
mg/kg
0.16
0.065
mg/kg
0.016
0.0061
mg/kg
0.032
0.0056
mg/kg
0.032
0.0052
mg/kg
0.32
0.064
mg/kg
0.032
0.0060
mg/kg
0.032
0.0061
mg/kg
0.032
0.0060
mg/kg
0.016
0.0047
mg/kg
0.016
0.0060
mg/kg
0.016
0.0055
mg/kg
0.016
0.0057
mg/kg
0.32
0.083
mg/kg
0.81
0.32
mg/kg
Run# 2 Limits
110% 50-122%
110% 50-133%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
25 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Metals Analysis
Analyte
Result
RL
Antimony
< 2.5
2.5
Arsenic
15.7
1.2
Beryllium
0.94
0.62
Cadmium
< 0.50
0.50
Chromium
48.7
1.2
Copper
11.6
3.1
Lead
23.9
2.5
Mercury
< 0.11
0.11
Nickel
11.8
5.0
Selenium
< 2.5
2.5
Silver
< 1.2
1.2
Thallium
< 1.2
1.2
Zinc
51.0
2.5
(1) Instrument QC Batch: MA13390
(2) Instrument QC Batch: MA13391
(3) Prep QC Batch: MP30803
(4) Prep QC Batch: MP30806
RL = Reporting Limit
Page 1 of l
Units DF Prep Analyzed By Method Prep Method
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/08/ 16
09/08/ 16
JL
SW846 7471B 2
SW846 7471B 4
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
mg/kg
1 09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
26 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V2022
Lab Sample ID: FA36573-3 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 35.8
Project: 215122; Sunset Beach, NC
Page 1 of l
General Chemistry
Analyte
Result
RL Units
DF
Analyzed
By Method
HEM Oil and Grease
< 550
550 mg/kg
1
09/10/16 15:00
xc Sw846 9071E
Solids, Percent
35.8
%
1
09/01/16 12:15
.it, SM192540G
Total Organic Carbon
111000
2800 mg/kg
1
09/ 12/ 16 14:34
FN Sw846 9060A M
RL = Reporting Limit
�±�*
27 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8270D BY SIM SW846 3546 Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 W094792.1) 1 09/07/16 MG 09/06/16 OP61755 SW4248
Run #2
Initial Weight Final Volume
Run#1 15.3g 1.0ml
Run #2
BN PAH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
0.10
0.041
mg/kg
208-96-8
Acenaphthylene
ND
0.10
0.041
mg/kg
120-12-7
Anthracene
ND
0.10
0.026
mg/kg
56-55-3
Benzo(a)anthracene
ND
0.021
0.0052
mg/kg
50-32-8
Benzo(a)pyrene
ND
0.021
0.0052
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
0.021
0.0052
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
0.021
0.0052
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
0.021
0.0052
mg/kg
218-01-9
Chrysene
ND
0.021
0.0052
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
0.021
0.0052
mg/kg
206-44-0
Fluoranthene
ND
0.10
0.026
mg/kg
86-73-7
Fluorene
ND
0.10
0.041
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
0.021
0.0052
mg/kg
90-12-0
1-Methylnaphthalene
ND
0.10
0.041
mg/kg
91-57-6
2-Methylnaphthalene
ND
0.10
0.041
mg/kg
91-20-3
Naphthalene
ND
0.10
0.041
mg/kg
85-01-8
Phenanthrene
ND
0.10
0.026
mg/kg
129-00-0
Pyrene
ND
0.10
0.026
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
4165-60-0
Nitrobenzene-d5
79%
40-105%
321-60-8
2-Fluorobiphenyl
82%
43-107%
1718-51-0
Terphenyl-d14
85%
45-119%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
28 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Page 1 of l
Client Sample ID:
V 1618
Lab Sample ID:
FA36573-4 Date Sampled: 08/30/16
Matrix:
SO - Soil Date Received: 08/31/ 16
Method:
MADEP VPH REV 1.1 Percent Solids: 63.1
Project:
215122; Sunset Beach, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 UU017070.D 1 09/O1/16 CG n/a n/a GUU879
Run #2
Initial Weight Final Volume Methanol Aliquot
Run #1 5.28 g 5.1 ml 100 ul
Run #2
MADEP VPH List
CAS No.
Compound
Result
RL
MDL
Units Q
71-43-2
Benzene
ND
0.11
0.11
mg/kg
100-41-4
Ethylbenzene
ND
0.21
0.11
mg/kg
1634-04-4
Methyl Tert Butyl Ether
ND
0.21
0.11
mg/kg
91-20-3
Naphthalene
ND
0.53
0.32
mg/kg
108-88-3
Toluene
0.112
0.21
0.11
mg/kg J
m,p-Xylene
ND
0.42
0.21
mg/kg
95-47-6
o-Xylene
ND
0.21
0.11
mg/kg
C5- C8 Aliphatics (Unadj.)
ND
11
3.7
mg/kg
C9- C12 Aliphatics (Unadj.)
ND
11
3.7
mg/kg
C9- C10 Aromatics (Unadj.)
ND
11
3.7
mg/kg
C5- C8 Aliphatics
ND
11
3.7
mg/kg
C9- C12 Aliphatics
ND
11
3.7
mg/kg
C9- CIO Aromatics
ND
11
3.7
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
460-00-4
BFB
104%
70-130%
460-00-4
BFB
106%
70-130%
ND = Not detected MDL = Method Detection Limit
RL = Reporting Limit
E = Indicates value exceeds calibration range
J = Indicates an estimated value
B = Indicates analyte found in associated method blank
N = Indicates presumptive evidence of a compound
29 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: MADEP EPH REV 1.1 SW846 3546 Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run#1 NN016013.1) 1 09/08/16 FS 09/06/16 OP61759 GNN794
Run #2
Initial Weight Final Volume
Run # 1 3.2 g 2.0 ml
Run #2
MAEPH List
CAS No.
Compound
Result
RL
MDL
Units Q
83-32-9
Acenaphthene
ND
2.0
0.99
mg/kg
208-96-8
Acenaphthylene
ND
2.0
0.99
mg/kg
120-12-7
Anthracene
ND
2.0
0.99
mg/kg
56-55-3
Benzo(a)anthracene
ND
2.0
0.99
mg/kg
50-32-8
Benzo(a)pyrene
ND
2.0
0.99
mg/kg
205-99-2
Benzo(b)fluoranthene
ND
2.0
0.99
mg/kg
191-24-2
Benzo(g,h,i)perylene
ND
2.0
0.99
mg/kg
207-08-9
Benzo(k)fluoranthene
ND
2.0
0.99
mg/kg
218-01-9
Chrysene
ND
2.0
0.99
mg/kg
53-70-3
Dibenzo(a,h)anthracene
ND
2.0
0.99
mg/kg
206-44-0
Fluoranthene
ND
2.0
0.99
mg/kg
86-73-7
Fluorene
ND
2.0
0.99
mg/kg
193-39-5
Indeno(1,2,3-cd)pyrene
ND
2.0
0.99
mg/kg
91-57-6
2-Methylnaphthalene
ND
2.0
0.99
mg/kg
91-20-3
Naphthalene
ND
2.0
0.99
mg/kg
85-01-8
Phenanthrene
ND
2.0
0.99
mg/kg
129-00-0
Pyrene
ND
2.0
0.99
mg/kg
C11-C22 Aromatics (Unadj.)
ND
99
74
mg/kg
C11-C22 Aromatics
ND
99
74
mg/kg
C9-C18 Aliphatics
ND
99
50
mg/kg
C 19-C36 Aliphatics
ND
99
50
mg/kg
CAS No.
Surrogate Recoveries
Run# 1
Run# 2
Limits
3386-33-2
1-Chlorooctadecane
69%
40-140%
580-13-2
2-Bromonaphthalene
102%
40-140%
84-15-1
o-Terphenyl
74%
40-140%
321-60-8
2-Fluorobiphenyl
90%
40-140%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
30 of 77
SGS AcCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Method: SW846 8081B SW846 3546 Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
File ID
DF
Analyzed
By
Prep Date
Prep Batch
Analytical Batch
Run # 1 KK7861 LD
1
09/ 14/ 16
NG
09/09/ 16
OP61809
GKK2537
Run #2a KK78591.D
10
09/14/16
NG
09/09/16
OP61809
GKK2537
Initial Weight Final Volume
Run #1 4.50 g 5.0 ml
Run #2 4.50 g 5.0 ml
Pesticide PPL List
CAS No.
Compound
Result
309-00-2
Aldrin
ND
319-84-6
alpha-BHC b
ND
319-85-7
beta-BHC b
ND
319-86-8
delta-BHC
ND
58-89-9
gamma-BHC (Lindane) b
ND
12789-03-6
Chlordane
ND
60-57-1
Dieldrin
ND
72-54-8
4,4' -DDD b
ND
72-55-9
4,4' -DDE
ND
50-29-3
4,4' -DDT
ND
72-20-8
Endrin
ND
1031-07-8
Endosulfan sulfate
ND
7421-93-4
Endrin aldehyde
ND
959-98-8
Endosulfan-I
ND
33213-65-9
Endosulfan-II
ND
76-44-8
Heptachlor
ND
1024-57-3
Heptachlor epoxide
ND
72-43-5
Methoxychlor
ND °
8001-35-2
Toxaphene
ND
CAS No.
Surrogate Recoveries
Run# 1
877-09-8
Tetrachloro-m-xylene
101%
2051-24-3
Decachlorobiphenyl
89%
(a) Dilution required due to matrix interference.
(b) Associated CCV outside control limits.
(c) Result is
from Run# 2
RL
MDL
Units Q
0.0088
0.0027
mg/kg
0.0088
0.0027
mg/kg
0.0088
0.0027
mg/kg
0.0088
0.0026
mg/kg
0.0088
0.0027
mg/kg
0.088
0.035
mg/kg
0.0088
0.0033
mg/kg
0.018
0.0030
mg/kg
0.018
0.0028
mg/kg
0.18
0.035
mg/kg
0.018
0.0033
mg/kg
0.018
0.0033
mg/kg
0.018
0.0033
mg/kg
0.0088
0.0026
mg/kg
0.0088
0.0033
mg/kg
0.0088
0.0030
mg/kg
0.0088
0.0031
mg/kg
0.18
0.045
mg/kg
0.44
0.18
mg/kg
Run# 2 Limits
116% 50-122%
113% 50-133%
ND
= Not detected MDL = Method Detection Limit
J =
Indicates an estimated value
RL
= Reporting Limit
B =
Indicates analyte found in associated method blank
E =
Indicates value exceeds calibration range
N
= Indicates presumptive evidence of a compound
31 of 77
SGS AcCUTEST
FA36573

SGS Accutest
Report of Analysis Page 1 of 1
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Metals Analysis
Analyte
Result
RL
Units
DF
Prep
Analyzed
By
Method
Prep Method
Antimony
< 1.2
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Arsenic
3.4
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Beryllium
0.30
0.29
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Cadmium
< 0.23
0.23
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Chromium
17.0
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Copper
3.7
1.4
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Lead
6.0
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Mercury
< 0.061
0.061
mg/kg
1
09/08/ 16
09/08/ 16
.it,
SW846 7471B 2
SW846 7471B 4
Nickel
3.3
2.3
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Selenium
< 1.2
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Silver
< 0.58
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Thallium
< 0.58
0.58
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
Zinc
16.3
1.2
mg/kg
1
09/07/ 16
09/08/ 16
LM
SW846 6010D 1
SW846 3050B 3
(1) Instrument QC Batch: MA13390
(2) Instrument QC Batch: MA13391
(3) Prep QC Batch: MP30803
(4) Prep QC Batch: MP30806
RL = Reporting Limit
32 of 77
SGS ACCUTEST
FA36573

SGS Accutest
Report of Analysis
Client Sample ID: V 1618
Lab Sample ID: FA36573-4 Date Sampled: 08/30/16
Matrix: SO - Soil Date Received: 08/31/ 16
Percent Solids: 63.1
Project: 215122; Sunset Beach, NC
Page 1 of l
General Chemistry
Analyte
Result
RL Units
DF
Analyzed
By Method
HEM Oil and Grease
< 310
310 mg/kg
1
09/ 10/ 16 15:00
xc Sw846 9071E
Solids, Percent
63.1
%
1
09/01/16 12:15
.it, SM192540G
Total Organic Carbon
33700
1600 mg/kg
1
09/ 12/ 16 15:04
FN Sw846 9060A M
RL = Reporting Limit
�±�*
33 of 77
SGS ACCUTEST
FA36573

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9/21123, 8:29 AM
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AGUNITED STATES
POSTAL SERVICE.
SOUTH BRUNSWICK
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--------------------------------------------
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DURHAM, NC 27707
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DURHAM, NC 27707
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Tracking Number.
70221670000132076196
Q Copy ;k' Add to Informed Delivery
Latest Update
Your item could not be delivered on August 15. 2023 at 1:00 pm
in DURHAM, NC 27707. It was held for the required number of
days and is being returned to the sender.
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IDURHAM. NC 27707
August 15. 2023. 1:00 pm
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DURHAM, NC 27707
August 8, 2023
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IAugust 2. 2023
Notice Left (No Authorized Recipient Available)
IDURHAM, NC 27707
July 28, 2023, 4:19 pm
Departed USPS Regional Facility
IRALEIGH NC DISTRIBUTION CENTER
July 28. 2023. 3:53 am
Arrived at USPS Regional Facility
RALEIGH NC DISTRIBUTION CENTER
July 27, 2023, 10:18 am
Arrived at USPS Regional Facility
CHARLOTTE NC DISTRIBUTION CENTER
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0151
ONITED STATES DEPARTMENT OF COMMERCE
ad'a National Oceanic and Atmospheric Administration
NATIONAL MARINE FISHERIES SERVICE
• Southeast Regional Office
263131b Avenue South
%too St Petersburg, FWWe 33701-5505
flshe6g.noaa, rV
August 2, 2019 F/SER47:FR/pw
(Sent via Electronic Mail)
Colonel Robert J. Clark., Commander
U.S. Army Corps of Engineers Wilmington District
69 Darlington Avenue
Wilmington, North Carolina 28403-1398
Attention: Tvler Crumblev
Dear Colonel Clark:
NOAA's National Marine Fisheries Service (NMFS) reviewed the public notice for Action ID No. SAW-
2019-01155 dated July 3, 2019. The Town of Sunset Beach is proposing to perform navigational
dredging of Canals A-D, the Feeder Channel, Bay Area, and an area of South Jinks Creek on the east end
of Sunset Beach with beneficial placement of sand on 1,600 linear feet of oceanfront beach in Sunset
Beach, Brunswick County. As the nation's federal trustee for the conservation and management of
marine, estuarine, and diadromous fishery resources, the NMFS provides the following comments
pursuant to the authorities of the Fish and Wildlife Coordination Act and the Magnuson -Stevens Fishery
Conservation and Management Act (Magnuson -Stevens Act).
The project narrative states the proposed dredging would connect the Feeder Channel and the Finger
Canals with the Bay Area via South Jinks Creek maintaining navigational corridors. The Finger Canals,
Feeder Channel, Bay Area, and South Jinks Creek were dredged previously, and the current project does
not exceed the original project footprint. The most recent maintenance dredging for the Finger Canals
occurred in 2002, and the initial dredging of the Feeder Channel, Bay Area, and South Jinks Creek
occurred in early 1970s. The applicant would use the bucket -to -barge method to remove approximately
10,700 cubic yards of material from the Finger Canals, in an area measuring 3,200 feet in length and 20
feet in width, and 22,000 cubic yards of material from the Feeder Channel, in an area measuring 3,500
feet in length and 30 to 40 feet in width. The applicant would remove an estimated 15,900 cubic yards of
material from the Bay Area. The applicant will truck material to an upland disposal site. The dredging of
South Jinks Creek will remove 40,500 cubic yards of material, which the applicant will place on the
oceanfront beach. The total volume of dredge material is 89,100 cubic yards.
The Wilmington District's initial determination is the proposed dredging may adversely affect essential
fish habitat (EFH) or associated fisheries managed by the South Atlantic Fishery management Council,
Mid -Atlantic Fishery Management Council, or the NMFS. This determination is based upon the scale of
impacts (18 acres of shallow subtidal soft bottom and 8.5 acres of intertidal beach habitat) and inclusions
of dredging and beach fill components. No SAV is present in the project area. The State of North
Carolina has not designated the project area as a Primary Nursery Area (PNA). The applicant provided an
EFH Assessment with the application, which in summary predicted only short-term impacts to EFH from
increases in turbidity, siltation, and noise during construction. According to the submitted Shellfish
Survey Report, the proposed project may affect clams present in South Jinks Creek, however the
applicant states that the existing oyster beds appear to be located outside of the dredge channels.
Conservation measures submitted by the applicant include an environmental window of November 16
E
g

0152
through April 30 for any given year for the dredging activities and beach placement. The application also
states there would be a minimum buffer of ten feet from any coastal wetlands.
The NMFS staff attended several pre -application meetings and a site visit for this project. Initially, the
Town of Sunset Beach proposed dredging all of Jinks Creek from the Atlantic Intracoastal Waterway to
the ocean. Most of Jinks Creek has never been dredged. After the site visit, the NMFS requested a
shellfish survey be conducted throughout Jinks Creek. During a meeting prior to receiving the results of
the survey, the NMFS staff requested the applicant move any oysters that would be impacted by the
dredging along with other mitigation.
Based on the shellfish survey, the applicant estimated there were approximately 50,000 oysters in Jinks
Creek at a density of 1,131 oysters per acre. It was estimated that there would be direct impacts to
approximately 13,000 oysters. Additionally, while not designated as a PNA, the NMFS and North
Carolina Division of Marine Fisheries staff believe the area functions as one. The State of North Carolina
did not designate the area as a PNA during the 1970s because the creek was a navigational route from the
Atlantic Intracoastal Waterway to the Atlantic Ocean.
During the third pre -application meeting, the NMFS staff, with support from other resource agencies,
recommended the Town eliminate the new dredging within the northern part of Jinks Creek and only
apply for areas previously impacted. This would avoid disturbing some 393,800 square feet or 9.0 acres
(including the side slopes) and removing about 100,000 cubic yards of material of undisturbed soft
bottom/subtidal EFH. The NMFS staff informed the applicant that if they proceeded with the original
application, substantial mitigation would be required.
Based on our review of the current application, the Town has accepted the NMFS recommendations to
protect the northern portion of Jinks Creek. They have also proposed Conservation Measures listed above
regarding dredging windows and a buffer around coastal wetlands. As a result, the NMFS offers no EFH
recommendations at this time under the Magnuson -Stevens Act. If conditions change, the NMFS
requests the District reinitiate EFH consultation.
Thank you for the opportunity to provide these comments. Please direct related questions or comments to
the attention of Mr. Fritz Rohde at our Beaufort Field Office, 101 Pivers Island Road, Beaufort, North
Carolina 28516-9722, or at [phone].
Sincerely,
WILBER.THOM Digitally signed by
W ILBER.TH OM1AAS.PAYSON
AS. PAYSO N.1 1365820186
1 for 65820186 f-04'00'019.08.021434:53
Virginia M. Fay
Assistant Regional Administrator
Habitat Conservation Division
cc: COE, Tyler, A. [e-mail]. mi I
USFWS, [e-mail]
NCDCM, [e-mail], [e-mail]
NCWRC, [e-mail]
EPA, [e-mail]
SAFMC, [e-mail]
F/SER47, [e-mail]
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4700 Falls of Neuse Road, Suite 300
,,,, Raleigh, NC 27609
[phone] Fax: [phone]
m o f f ca t t & n l c h o l www.moffattnichol.com
MEMORANDUM
To: Attending Agencies
Cc:
From: Brandon Grant, Moffatt & Nichol
Date 71112022; 10 —11:30 AM
Subject: Town of Sunset Beach scoping meeting summary
Attendees:
Brandon Grant
Moffatt & Nichol
Dawn York
Moffatt & Nichol
Sam Morrison
Moffatt & Nichol
Samantha Marchisin
Moffatt & Nichol
Maria Dunn
NCWRC
Kathy Matthews
USFWS
Lisa Anglin
Town of Sunset Beach
Dustin Graham
Town of Sunset Beach
Holley Snider
NCDWR
Kelly Brannigan
Shellfish Sanitation
Brendan Brock
NCDCM
Fritz Rohde
NOAA Fisheries
Greg Currey
USACE
Jonathan Howell
NCDCM
Kim Harding
NCDMF
Cameron Luck
NCDCM
Cameron Weaver
DCM
Kent Tranter
USACE
Brandon Grant, with Moffatt & Nichol (M&N), started the meeting, thanking everyone on behalf of
the Town of Sunset Beach for attending and participating in a meeting the Friday before a holiday
weekend. After introductions, Brandon presented an overview of the Town's proposed permit
modification which includes an additional option in dredge methodology, additional disposal area

M&N #9269-05
Agency Scoping Meeting
(DA310), proposed dredge footprint modifications to account for shoaling, extent of marsh and
dock locations. Lastly, permit modification proposed dredging additional shoaling in South Jinks
Creek (Zones A and B).
The presentation is provided at the end of this meeting summary.
Summary of Discussion Points:
Pipeline Corridor
Jonathan Howell (NCDCM) asked to submit the shellfish survey that had been completed in
2017 to ensure pipeline corridor avoids and minimizes shellfish resources.
o The request to place pipeline through coastal marsh is irregular and DCM will need
to evaluate this request more closely.
o Avoidance and minimization measures such as placement of matting was briefly
discussed to mitigate the direct impacts.
o DCM may require a condition to conduct post -construction improvements to the
area impacted by pipeline placement in coastal marsh (i.e., planting).
Sam Morrison (M&N) stated direct impacts will be on a few feet of disturbance (width) as a
wire will take the pipe through the marsh.
Dawn York (M&N) stated the Town is committed to shellfish relocation (permit condition)
and these efforts will take place during the end of the summer for Jink's, Mary's, and Turtle's
Creek. Kim Harding (NCDMF) will attend and provide guidance to area for shellfish
relocation.
Dredge Footprint Change — Mary's and Turtle's Creeks
Kim Harding (DMF) and Holley Snider (DWR) asked how the dredge and barge will impact
areas 8' wide and not create secondary impacts to the marsh due to size of equipment.
o Agencies requested the equipment would not impact or touch substrate bottom
during low tide outside the authorized dredge footprint.
o Maria Dunn (WRC) indicated concerns over equipment size due to violations from
similar projects completed in adjacent county waterways.
Sam Morrison responded a smaller dredge, preferably a swinging ladder dredge will perform
the work.
M&N will conduct a market study to understand the availability of appropriate size
equipment to complete the dredging in Mary's and Turtle's Creek.
Fritz Rohde (NOAA) asked if Mary's and Turtle's Creek had been dredged previously and
recommended the Town investigate the post -construction survey from previous project to
evaluate how slopes would react to dredging based on sediment type (i.e., muck material may
slough more).
Dredge Footprint Change — South Jinks Creek
• Maria Dunn stated concern over changing of alignment of South Jinks Creek and removal of
shoal habitat due to existence of Primary Nursery Areas (PNA) in the adjacent channel.
• Holley Snider asked to quantify the area difference between the green and magenta areas as
shown in the slide. Zone A is still a concern as it is considered new dredging and cannot be
moffatt & nichol

M&N #9269-05
Agency Scoping Meeting
included in the permit modification. Holley commented that Zone A should be removed
from the permit modification.
Kelly Brannigan (NC Shellfish Sanitation) asked for a notification prior to dredging.
Kent Tranter (USACE) stated a Section 408 review is required for the proposed hydraulic
pipeline crossing and dredging necessary to maintain navigation depths. Section 408 funding
is drying up from previous year, so application should be submitted soon. Kent will
coordinate closely with Greg Currey (USACE — Regulatory).
Disposal Area Addition (DA310)
The Town of Sunset Beach has approval from USACE to remove material from DA310.
Greg Currey indicated he would reach out to Justin McCorkle (USACE Legal Counsel) to
confirm processing of consent agreement for removal and placement of sediment in DA310.
Greg will follow up with the Town/M&N after having discussions with Justin.
Cameron Luck (DCM) reiterated pipeline placement is irregular, so permit should evaluate
impacts or mitigation. Based on request for additional dredging of Zones A and B, DCM
will evaluate more closely than previous permit.
moffatt & nichol

,/1q
moffall & nichol
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
July 25, 2023
To Whom It May Concern:
The Town of Sunset Beach (Town) wishes to modify CAMA Permit No. 79-19, to conduct navigational
dredging in the water body known as the Bay Area, Feeder Channel, and Finger Canals A-D. The requested
modification includes a change to the authorized template width within each of these channels at various
locations along the project length, as well as, the additional dredging of a section adjacent to South Jinks Creek.
Additionally, the Majestic Oaks Staging and Offloading Area has been modified. Details of the proposed project
can be found in the permit application package which include the permit drawings can be found on the Town's
webpage at:
ho2s://www.sunsetbeachnc.gov/
Follow the "Dredging Project Phase 2 —
Feeder Channel, Finger Canals, Bay Area,
Mary's Creek and Turtle Creek" tab on the
leflhand side of the page to the "CAMA
Correspondence and Permitting Information"
link for a digital copy of the permit
application package. A hard copy of the
permit application package will also be
located at Sunset Beach Town Hall at the
following address:
Sunset Beach Town Hall
700 Sunset Blvd N
Sunset Beach, NC 28468
I&
1NT�cOPSj AO�P��RWAy
MAJESTIC OAKS
--" --"— -"- STAGING'AREA
PROJECT SITES
COBIA STREET
STAGING AND
OFFLOADING AREA
N
TUBBS INLET
Moffatt and Nichol, on behalf of the Town of Sunset Beach, is applying for a Coastal Area Management Act
(CAMA) permit modification from the North Carolina Division of Coastal Management (NCDCM) for the
above referenced activities. Given that you own riparian property immediately adjacent to the proposed project,
CAMA rules require that you be provided notice of the permit application. Should you wish to comment on the
permit application, you may do so within 30 days from the date you receive this correspondence. Your
comments, which will be considered by NCDCM before reaching a final permit decision, may be provided to:
The North Carolina Division of Coastal Management
c/o Tara MacPherson
127 Cardinal Drive Extension
Wilmington, NC 28405
If you choose not to comment on the application, NCDCM will consider that you have no objection to the
project. Should you have any questions about this issue, please feel free to contact me at
bgrantkmoffattnichol.com.
Sincerely,
Brandon Grant