20201434 Ver 2_July 2022 PCN App Modifications_SAW_2020_02256_20220815

PCN MODIFICATIONS AND CHANGES
210 Wastewater Treatment Facility
USACE Action ID No. SAW-2020-02256; DWR # 20201434
Changes to the previously submitted PCN relative to Section 401/404 and Neuse River beffers for the above
referenced project are provided herein. The changes to the PCN application are provided by referenced section
of the PCN Application below. Supplemental information/attachments are provided herein and include:
PJD Table (signed) - changes from previous submittal are an increase in W2 acreage and S3 length
PCN Impact Figures Wetland, Stream, and Buffer Impact Maps — changes from previous submittal include
Figures 6, 7, 8, and 9
Design drawings —changes depicted on Sheets P20, P21, and CD5
Revised PCN Application Text and Tables - provided below
C. Project Information and Prior Project History
4i. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:
To access the dechlorination facility and cascade aerator, which are integral parts of the discharge process
relative to water quality, a 20-foot-wide access road that will support larger vehicles associated with operation
and maintenance of the dechlorination facility and cascade aerator will be constructed. The access road will be
within the existing easement that contains Wetland W2. A majority of the width of the limits of disturbance in
W2 will occur in existing maintained corridor. However, the southern edge of the corridor in W2 is forested. In
wetland areas associated with the access road, the depth of the gravel will be 18 inches above existing grade. A
culvert will be placed under the access road to allow water from the southern side of W2 to flow to W2 on the
northern side of the project corridor. The access road will cross S3 via a culvert. S3 is a jurisdictional,
maintained ditch that is abutted by maintained grass to the west and maintained grass and farm field to the
east.

D. Proposed Impacts Inventory
2. Wetland Impacts
2a Site #
2a1 Reason
2b Impact
type
2c Type of
W.
2d W.
name
2e
Forested
2f Type of
jurisdiction
2g Impact
area
W2-T
PIPE
INSTALLATION
T
Unknown
W2
No
Both
0.3
W2-P
FILL FOR
PERMANENT
ACCESS ROAD
P
Unknown
W2
No
Both
0.19
W2-P
FILL FOR
PERMANENT
ACCESS ROAD
P
Bottomland
Harwood
Forest
W2
Yes
Both
0.16
2g. Total Temporary Wetland Impact
0.397 acres
2g. Total Permanent Wetland Impact
0.541 acres
2g. Total Wetland Impact
0.938 acres
2h. Comments:
The new project area associated with W2 consists of forested wetlands abutting an existing maintained
corridor. The permanent impact to forested wetlands cannot be avoided due to the width required for the
access road to the cascade aerator being wider than the area available in the current maintained corridor. The
new permanent impact (versus temporary) is for fill (gravel) associated with the access road in W2.
3. Stream Impacts
3a. Reason
for Impact
3b. Impact
type
3c. Type
of
impact
3d. S.
name
3e. Stream
type
3f. Type of
Jurisdiction
3g. S.
width
3h.
Impact
length
S6
Culvert for
Road
Crossing
Permanent
Fill
UT to
Neuse
River
Jurisdictional
Ditch
Both
4
75
S7
Construction
including
coffer dam
Temporary
Fill
UT to
Neuse
River
Jurisdictional
Ditch
Both
4
50

3i. Total jurisdictional ditch impact in square feet
1096
3i. Total permanent stream impacts
30
3i. Total temporary stream impacts
284
3i. Total stream and ditch impact
314
3j. Comments
Additional stream impacts are associated with a culverted crossing of a jurisdictional ditch for the permanent
access road to the dechlorination facility.
6. Buffer Impacts (for DWR)
6b. Impact Type
6c. Per or
Temp
6d. Stream
Name
6e. Buffer
Mitigation
Required?
6f. Zone 1
Impact
6g. Zone 2
Impact
B4—ALLOWABLE UPON
AUTHORIZATION (PIPE)
TEMP
UNNAMED
No
27067
11524
B4-ALLOWABLE WITH
MITIGATION UPON
AUTHORIZATION (ROAD)
PERM
UNNAMED
YES
12649
18344
6h. Total buffer impacts:
Zone 1 Zone 2
Total Temporary Impacts: 29,004.00 14,107
Zone 1 Zone 2
Total Permanent Impacts: 14,274.00 33,174
.00
Total combined buffer impacts :
Zone 1 Zone 2
43,278.00 47,281
Comments: Discussion of Buffer 84: The proposed effluent force main will parallel an existing reclaimed water
line within an existing easement, both of which parallel a jurisdictional ditch that flows through an active farm

field. Therefore, the effluent force main will parallel the jurisdictional ditch. The waterway is intermittent and
abutted to the west by maintained grass area and the east by active farm field. The banks of the ditch are also
maintained. The ditch is depicted on the soils map and the area was in agriculture at the time of the soil
survey.
The access road will parallel the eastern side of the ditch in an easement that parallels the ditch. The
permanent access road will also traverse the ditch. The access road will be 16 feet wide and the project
corridor in the buffer is 100 feet wide at its widest. B4, which is the buffer associated with the jurisdictional
ditch, is located along an existing farm field and is comprised of maintained grass associated with existing
easement and the edge of a farm field.
G. Supplementary Information
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
Attached is the Aquatic Species Survey Report for the stretch of the Neuse River in which the outfall will be
located that was generated by Three Oaks Engineering. Per the report, none of the target mussel species,
Carolina madtom, nor Neuse River waterdog were found during the survey. However, eight mussel species
were found to be present, including the triangle floater and eastern lampmussel.
• Johnston County proposes to implement mussel relocation in the project area during instream work
associated with the Neuse River.
• A copy of the Aquatic Species Survey Report has not yet been provided to USFWS. A separate file with
the report is provided for ease of transmittal of the report to USFWS.

PJD TABLE (UPDATED)

Appendix 2 - PRELIMINARY JURISDICTIONAL DETERMINATION (PJD) FORM
BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR PJD:
B. NAME AND ADDRESS OF PERSON REQUESTING PJD: Linda Diebolt - Idiebolt©hazenandsawyer.com
C. DISTRICT OFFICE, FILE NAME, AND NUMBER:
D. PROJECT LOCATION(S) AND BACKGROUND INFORMATION:
(USE THE TABLE BELOW TO DOCUMENT MULTIPLE AQUATIC RESOURCES AND/OR
AQUATIC RESOURCES AT DIFFERENT SITES)
State: NC County/parish/borough: Johnston City: n/a
Center coordinates of site (lat/long in degree decimal format):
Lat.: 35.496383
Long.: -78.403588
Universal Transverse Mercator: NAD 83 feet
Name of nearest waterbody: Neuse River
E. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
❑ Office (Desk) Determination. Date:
❑ Field Determination. Date(s):
TABLE OF AQUATIC RESOURCES IN REVIEW AREA WHICH "MAY BE" SUBJECT TO REGULATORY
JURISDICTION.
Site
number
Latitude
(decimal
degrees)
Longitude
(decimal
degrees)
Estimated amount
of aquatic resource
in review area
(acreage and linear
feet, if applicable)
Type of aquatic
resource (i.e., wetland
vs. non -wetland
waters)
Geographic authority
to which the aquatic
resource "may be"
subject (i.e., Section
404 or Section 10/404)
W 1
35.426415
-78.426415
0.09 AC
WETLAND
404
S 1
35.499844
-78..417718
40 FT
NON -WETLAND WATERS
404
O1
35.499603
-78.417735
0.01 AC
NON -WETLAND WATERS
404
S2
35.498122
-78.408981
35 FT
NON -WETLAND WATERS
404
W2
35.495774
-78.385887
0 , 65 AC
WETLAND
404
W3
35.495855
-78.384079
0.2
WETLAND
404

Site
number
Latitude
(decimal
degrees
Longitude
(decimal
degrees)
Estimated amount
of aquatic
resource in review
area (acreage and
feet, if applicable)
Type of aquatic
resource (i.e., wetland
vs. non -wetland
waters)
Geographic authority to
which the aquatic
resource "may be"
subject (i.e., Section 404
or Section 10/404)
S3
35.497076
-78.381693
274 FT
NON -WETLAND
WATERS
404
S4/S5
35.499001
-78.376578
60 FT
NON -WETLAND
WATERS
10/404

UPDATED DELINEATION MAPS

C3 JURISDICTIONAL WETLAND
~ PROPOSED EFFLUENT FORCE MAIN
LIMITS OF DISTURBANCE
JURISDICTIONAL AREAS IN PROJECT LIMITS
NON -FORESTED WETLAND
FORESTED WETLAND
W2 - NON -FORESTED (EXISTING
MAINTAINED CORRIDOR)AND
FORESTED WETLAND (DEPICTED
ON FIGURES 6, 7, 8, AND 9)
EXISTING
RECLAIMED
WATE R
PIPE
-..-..-..-I.-..
W2 - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT)
AND FORESTED WETLAND
0.65 AC = TOTAL FOR W2 DEPICTED ON FIGURES 6, 7, 8, AND 9
20 40
Feet
1 inch = 40 feet
Hazen
JOHN LQNOUN yO
NOR TH•CARO LINA(_J
FIGURE 6 : JURISDICTIONAL AREA F
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

C3 JURISDICTIONAL WETLAND
PROPOSED EFFLUENT FORCE MAIN
LIMITS OF DISTURBANCE
JURISDICTIONAL AREAS IN PROJECT LIMITS
NON -FORESTED WETLAND
FORESTED WETLAND
W2 - NON -FORESTED (EXISTING
MAINTAINED CORRIDOR) AND
FORESTED WETLAND (DEPICTED
ON FIGURES 6, 7, 8, AND 9)
111111111111
EXISTING
RECLAIMED
WATE R
PIPE
Gt h J/_ IL J/_ J/_ IL J/_ J/_ IL 1 I rii/L Lt_ J/_ J/_ J/_
44444444444444444444444444444444444444/
IG 14444444444-J,
W2 - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT)
AND FORESTED WETLAND
0.65 AC = TOTAL FOR W2 DEPICTED ON FIGURES 6, 7, 8, AND 9
20 40
Feet
1 inch = 40 feet
Hazen
JOHN LQNOUN yO
NOR TH•CARO LINA(_J
FIGURE 7 : JURISDICTIONALAREA G
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

JURISDICTIONAL WETLAND
PROPOSED EFFLUENT FORCE MAIN
LIMITS OF DISTURBANCE
JURISDICTIONAL AREAS IN PROJECT LIMITS
NON -FORESTED WETLAND
FORESTED WETLAND
W2 - NON -FORESTED (EXISTING
EXISTING MAINTAINED CORRIDOR) AND
RECLAIMED FORESTED WETLAND (DEPICTED
WATER ON FIGURES 6, 7, 8, AND 9)
PIPE
Lana /_]La a
L4444444444444444444444
W2 - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT)
AND FORESTED WETLAND
0.65 AC = TOTAL FOR W2 DEPICTED ON FIGURES 6, 7, 8, AND 9
20 40
Feet
1 inch = 40 feet
Hazen
JOHN LQNOUN yO
NOR TH•CARO LINA(_J
FIGURE 8 : JURISDICTIONALAREA H
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

CZ JURISDICTIONAL WETLAND
0 JURISDICTIONAL STREAM
III PROPOSED EFFLUENT FORCE MAIN
rsd LIMITS OF DISTURBANCE
1
1
1
1
...)
JURISDICTIONAL AREAS IN PROJECT LIMITS
NON -FORESTED WETLAND
FORESTED WETLAND
EXISTING
RECLAIMED
WATER
PIPE
S3 - JURISDICTIONAL DITCH
I IISTORICAL DITCH
AROUND FARMFIELD
1
i W2 - NON -FORESTED (EXISTING
j MAINTAINED CORRIDOR)AND
FORESTED WETLAND (DEPICTED
ON FIGURES 6, 7, 8, AND 9)
su_u _ ■=u=u=u=!
W2 - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT)AND FORESTED WETLAND
0.65 AC = TOTAL FOR W2 DEPICTED ON FIGURES 6, 7, 8, AND 9
20 40
Feet
1 inch = 40 feet
Hazen
JOHN LQNOUN yO
NOR TH•CARO LINA(_J
FIGURE 9 : JURISDICTIONALAREA
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

UPDATED IMPACT MAPS - WETLANDS, STREAMS, AND
BUFFERS

/\/ LIMITS OF DISTURBANCE
^f EFFLUENT FORCE MAIN
JURISDICTIONAL WETLAND
1.1 PERMANENT WETLAND IMPACT / FORESTED /ACCESS ROAD
PERMANENT WETLAND IMPACT / NON -FORESTED /ACCESS ROAD
TEMPORARY WETLAND IMPACT / CONSTRUCTION
PERMANENT
PROPOSED
EFFLUENT
FORCE
MAIN
W2-P - NON -FORESTED
EXISTING MAINTAINED
IMPACT FROM
(DEPICTED ON FIGURES
WETLAND
CORRIDOR
FILL FOR ACCESS ROAD
6, 7, 8, AND 9)
W2-T - NON -FORESTED
TEMPORARY IMPACT DURING
(DEPICTED ON FIGURES
WETLAND
CONSTRUCTION
6, 7, 8, AND 9)
EXISTING
RECLAIMED
WATER
PIPE
-\\�C�
WETLAND
MAINTAINED CORRIDOR
6, 7, 8, AND
W2-P - PINE/HARDWOOD
CONVERSION IMPACT FOR
(DEPICTED ON FIGURES
9)
W2 TEMPORARY AND PERMANENT IMPACTS ARE DEPICTED ON FIGURES 6, 7, 8, AND 9
TEMPORARY:
W2-T - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT)
0.491 AC - TOTAL TEMPORARY IMPACT DURING CONSTRUCTION
PERMANENT:
W2-P - PINE/HARDWOOD WETLAND (ABUTS EXISTING MAINTAINED EASEMENT)
0.16 AC - TOTAL CONVERSION IMPACT FOR MAINTAINED CORRIDOR
20 40
© Feet
1 inch = 40 feet
Hazen
aOHN�I'0
FIGURE 6 : IMPACTAREA F
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina
—
9UNI)O
';1
w_.; NORTH•CAROLINA

LIMITS OF DISTURBANCE
^f EFFLUENT FORCE MAIN
JURISDICTIONAL WETLAND
1.1 PERMANENT WETLAND IMPACT / FORESTED /ACCESS ROAD
PERMANENT WETLAND IMPACT / NON -FORESTED /ACCESS ROAD
TEMPORARY WETLAND IMPACT / CONSTRUCTION
W2-T - NON -FORESTED
TEMPORARY IMPACT DURING
(DEPICTED ON FIGURES
W2-P - NON -FORESTED
EXISTING MAINTAINED
PERMANENT IMPACT FROM
(DEPICTED ON FIGURES
WETLAND
CONSTRUCTION
6, 7, 8, AND 9)
WETLAND
CORRIDOR
FILL FOR ACCESS ROAD
6, 7, 8, AND 9)
EXISTING
RECLAIMED
WATER
PIPE
6)-
ANIELMINIUMFR
4444444444444444 6)-esO
444444444444444
‘4
Wv
W2-P - PINE/HARDWOOD WETLAND
CONVERSION IMPACT FOR MAINTAINED CORRIDOR
(DEPICTED ON FIGURES 6, 7, 8, AND 9)
PROPOSED
EFFLUENT
FORCE
MAIN
W2 TEMPORARY AND PERMANENT IMPACTS ARE DEPICTED ON FIGURES 6, 7, 8, AND 9
TEMPORARY:
W2-T - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT)
0.491 AC - TOTAL TEMPORARY IMPACT DURING CONSTRUCTION
PERMANENT:
W2-P - PINE/HARDWOOD WETLAND (ABUTS EXISTING MAINTAINED EASEMENT)
0.16 AC - TOTAL CONVERSION IMPACT FOR MAINTAINED CORRIDOR
0 20 40
© Feet
1 inch = 40 feet
Hazen
FIGURE 7 : IMPACTAREA G
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina
—
aOHN�I'0 9UNI)O
';1
_.; NORTH•CAROLINA
w

LIMITS OF DISTURBANCE
^f EFFLUENT FORCE MAIN
JURISDICTIONAL WETLAND
1.1 PERMANENT WETLAND IMPACT / FORESTED /ACCESS ROAD
PERMANENT WETLAND IMPACT / NON -FORESTED /ACCESS ROAD
TEMPORARY WETLAND IMPACT / CONSTRUCTION
PERMANENT
(DEPICTED
EXISTING
RECLAIMED
WATER
PIPE
W2-P - NON -FORESTED
EXISTING MAINTAINED
IMPACT FROM
ON FIGURES
WETLAND
CORRIDOR
FILL FOR ACCESS ROAD
6, 7, 8, AND 9)
W2-T - NON -FORESTED
TEMPORARY IMPACT DURING
(DEPICTED ON FIGURES
WETLAND
CONSTRUCTION
6, 7, 8, AND 9)
Ir
4444444
444444441/444444444444
4444444444444444444444
I,
I!. I,, .I-, 4 � 444444
J
PROPOSED
EFFLUENT
FORCE
MAI
N
W2-P - PINE/HARDWOOD
CONVERSION IMPACT FOR
(DEPICTED ON FIGURES
WETLAND
MAINTAINED CORRIDOR
6, 7, 8, AND 9)
W2 TEMPORARY AND PERMANENT IMPACTS ARE DEPICTED ON FIGURES 6, 7, 8, AND 9
TEMPORARY:
W2-T - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT)
0.491 AC - TOTAL TEMPORARY IMPACT DURING CONSTRUCTION
PERMANENT:
W2-P - PINE/HARDWOOD WETLAND (ABUTS EXISTING MAINTAINED EASEMENT)
0.16 AC - TOTAL CONVERSION IMPACT FOR MAINTAINED CORRIDOR
20 40
© Feet
1 inch = 40 feet
Hazen
FIGURE 8 : IMPACTAREA H
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina
—
aOHN�I0 9UNIyJ
'.;
w_.; NOR TH•CAROLINA

LIMITS OF DISTURBANCE
^f EFFLUENT FORCE MAIN
v NEUSE RIVER BUFFER
JURISDICTIONAL STREAM
JURISDICTIONALWETLAND
PERMANENT ZONE 1 BUFFER IMPACT
PERMANENT ZONE 2 BUFFER IMPACT
TEMPORARY ZONE 1 BUFFER IMPACT
TEMPORARY ZONE 2 BUFFER IMPACT
- PERMANENT STREAM IMPACT / CULVERT - RIP RAP
ZOO NEB ZONE 1
1 1
1 1
EXISTING
FARM
FIELD
1.1 PERMANENT WETLAND IMPACT / FORESTED /ACCESS ROAD
PERMANENT WETLAND IMPACT / NON -FORESTED /ACCESS ROAD
TEMPORARY STREAM IMPACT / CONSTRUCTION
TEMPORARY WETLAND IMPACT /CONSTRUCTION
EXISTING
RECLAIMED
WATER
PIPE
/
/
/ S7 - JURISDICTIONAL DITCH
TEMPORARY IMPACT FOR CULVERT INSTALLATION
B4 - NON -FORESTED BUFFER
(ACTIVE FARM FIELD)
PERMANENT IMPACT TO BUFFER
ZONES 1 AND 2 DURING CONSTRUCTION
(DEPICTED ON FIGURES 9, 10, 11, AND 12)
1 PUMP AROUND SYSTEM
S6 - JURISDICTIONAL DITCH PERMANENT
IMPACT FOR CULVERT, HEADWALL,
I WINGWALL, AND RIP RAP INSTALLATION
W2-T - NON -FORESTED WETLAND
EXISTING MAINTAINED CORRIDOR
TEMPORARY IMPACT DURING CONSTRUCTION
(DEPICTED ON FIGURES 6, 7, 8, AND 9)
I W2-P - NON -FORESTED WETLAND
EXISTING MAINTAINED CORRIDOR
PERMANENT IMPACT FROM FILL FOR ACCESS ROAD
I (DEPICTED ON FIGURES 6, 7, 8, AND 9)
W2-P - PINE/HARDWOOD WETLAND
CONVERSION IMPACT FOR MAINTAINED CORRIDOR
(DEPICTED ON FIGURES 6, 7, 8, AND 9)
1 I S7 - JURISDICTIONAL DITCH
1 ZONE 21
TEMPORARY IMPACT FOR CULVERT INSTALLATION
ZONE I PUMP AROUND SYSTEM
***W2 TEMPOARY AND PERMANENT IMPACTS ARE DEPICTED ON FIGURES 6, 7, 8, AND 9
W2-T - NON -FORESTED WETLAND (EXISTING MAINTAINED EASEMENT) = 0.3 AC - TEMPORARY IMPACT DURING CONSTRUCTION
W2-P - PINE/HARDWOOD WETLAND (ABUTS EXIST. MAINTAINED AREA) = 0.16 AC — PERM. IMPACT FROM FILL FOR ACCESS ROAD
W2-P — NON -FORESTED WETLAND (EXIST. MAINTAINED EASEMENT) = 0.19 AC — PERM. IMPACT FROM FILL FOR ACCESS ROAD
***S6 PERMANENT IMPACT AND S7 TEMPORARY IMPACT IS DEPICTED ON FIGURE 9
S6 - JURISDICTIONAL DITCH = 75 FEET - PERMANENT IMPACT FROM CULVERT FOR PERMANENT ACCESS ROAD
S7 - JURISDICTIONAL DITCH = 50 FEET - TEMPORARY IMPACT DURING CONSTRUCTION INCLUDING COFFER DAM
***B4 - FORESTED AND NON -FORESTED BUFFER (B4 IS DEPICTED ON FIGURES 9, 10, 11, AND 12)
27,067 SF — TEMPORARY IMPACT ZONE 1 FOR PIPE INSTALLATION (EXISTING MAINTAINED)
11,524 SF —TEMPORARY IMPACT ZONE 2 FOR PIPE INSTALLATION (EXISTING MAINTAINED AND FORESTED)
12,649 SF - PERMANENT IMPACT TO ZONE 1 - PERMANENT ACCESS ROAD
18.344 SF - PERMANENT IMPACT TO ZONE 2 - PERMANENT ACCESS ROAD
20 40
Feet
1 inch = 40 feet
Hazen
JOHN N1LOUN yO
NOR TH•CARO LINA(_J
FIGURE 9 : IMPACTAREA
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

LIMITS OF DISTURBANCE
^f EFFLUENT FORCE MAIN
L v NEUSE RIVER BUFFER
JURISDICTIONAL STREAM
JURISDICTIONALWETLAND
PERMANENT ZONE 1 BUFFER IMPACT
PERMANENT ZONE 2 BUFFER IMPACT
TEMPORARY ZONE 1 BUFFER IMPACT
TEMPORARY ZONE 2 BUFFER IMPACT
B4 - NON -FORESTED BUFFER ONF FIGURE 10 - MAINTAINED AREAAND FARM FIELD
B4 IS DEPICTED ON FIGURES 9, 10, 11, AND 12
TEMPORARY IMPACT DURING CONSTRUCTION AND PERMANENT IMPACT FOR ACCESS ROAD
27,067 SF - TEMPORARY IMPACT ZONE 1 FOR PIPE INSTALLATION (EXISTING MAINTAINED)
11,524 SF - TEMPORARY IMPACT ZONE 2 FOR PIPE INSTALLATION (EXISTING MAINTAINED AND FORESTED)
12,649 SF - PERMANENT IMPACT TO ZONE 1 - PERMANENT ACCESS ROAD
18.344 SF - PERMANENT IMPACT TO ZONE 2 - PERMANENT ACCESS ROAD
JURISDICTIONAL DITCH
(DEPICTED ON FIGURES 9, 10, 11, AND 12)
IMPACTS ARE ON FIGURES 9 AND 12
NON -FORESTED BUFFER (EXISTING MAINTAINED AREA)
TEMPORARY IMPACT TO BUFFER
ZONES 1 AND 2 DURING CONSTRUCTION
(DEPICTED ON FIGURES 9, 10, 11, AND 12
0 20 40
Feet
1 inch = 40 feet
`J
Hazen
JOHN N1LOUN)O
NOR TH•CARO LINA(_J
:Q
EXISTING
RECLAIMED
WATER
PIPE
B4 - NON -FORESTED BUFFER (EXISTING FARMFIELD)
PERMANENT IMPACT TO BUFFER
ZONES 1 AND 2 FOR ACCESS ROAD
(DEPICTED ON FIGURES 9, 10, 11,AND 12)
FIGURE 10: IMPACT AREA J
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

LIMITS OF DISTURBANCE
^f EFFLUENT FORCE MAIN
L v NEUSE RIVER BUFFER
JURISDICTIONAL STREAM
PERMANENT ZONE 1 BUFFER IMPACT
PERMANENT ZONE 2 BUFFER IMPACT
TEMPORARY ZONE 1 BUFFER IMPACT
TEMPORARY ZONE 2 BUFFER IMPACT
B4 - NON -FORESTED BUFFER ONF FIGURE 10 - MAINTAINED AREAAND FARM FIELD
B4 IS DEPICTED ON FIGURES 9, 10, 11, AND 12
TEMPORARY IMPACT DURING CONSTRUCTION AND PERMANENT IMPACT FOR ACCESS ROAD
27,067 SF — TEMPORARY IMPACT ZONE 1 FOR PIPE INSTALLATION (EXISTING MAINTAINED)
11,524 SF — TEMPORARY IMPACT ZONE 2 FOR PIPE INSTALLATION (EXISTING MAINTAINED AND FORESTED)
12,649 SF - PERMANENT IMPACT TO ZONE 1 - PERMANENT ACCESS ROAD
18.344 SF - PERMANENT IMPACT TO ZONE 2 - PERMANENT ACCESS ROAD
cr
Z`
B4 - NON -FORESTED BUFFER
TEMPORARY IMPACT TO BUFFER.
ZONES 1 AND 2 DURING CONSTRUCTION
(DEPICTED ON FIGURES 10, 11, 12 AND 13) /
EXISTING
RECLAIMED
WATER
PIPE /
/
JURISDICTIONAL DITCH
(DEPICTED ON FIGURES 9, 10, 11, AND 12)
IMPACT DEPICTED ON FIGURES 9AND 12
/
/
•
C7
Z
/
/
/
B4 - NON -FORESTED BUFFER (EXISTING FARM FIELD)
PERMANENT IMPACT TO BUFFER ZONES 1 AND 2
FOR ACCESS ROAD
(DEPICTED ON FIGURES 10, 11, 12 AND 13)
i
/
0 20 40
Feet
1 inch = 40 feet
Hazen
JOHN N1LOUN)O
NOR TH•CARO LINA(_J
FIGURE 11: IMPACTAREA K
WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

/\/ LIMITS OF DISTURBANCE
^f EFFLUENT FORCE MAIN
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fl PERMANENT ZONE 1 BUFFER IMPACT
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TEMPORARY ZONE 1 BUFFER IMPACT
TEMPORARY ZONE 2 BUFFER IMPACT
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(EXISTING FARM FIELD)
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(DEPICTED ON FIGURES 9, 10, 11, AND
B4 - NON -FORESTED BUFFER
TEMPORARY IMPACT TO BUFF
ZONES 1 AND 2 DURING CON RUCTION
(DEPICTED ON FIGURES 9, •, 11, AND 12)
S3 - JURISDICTIONAL DITCH
TEMPORARY IMPACT DURING CONSTRUCTION
(DEPICTED ON FIGURES 9, 10, 11, AND 12)
S3 - JURISDICTIONAL DITCH
149 FT - TOTAL TEMPORARY IMPACT DURING PIPE INSTALLATION
B4 - NON -FORESTED BUFFER ONF FIGURE 10 - MAINTAINEDAREAAND
FARM FIELD
B4 IS DEPICTED ON FIGURES 9, 10, 11, AND 12
TEMPORARY IMPACT DURING CONSTRUCTION AND PERMANENT IMPACT
FOR ACCESS ROAD
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(EXISTING MAINTAINED)
11,524 SF —TEMPORARY IMPACT ZONE 2 FOR PIPE INSTALLATION
(EXISTING MAINTAINED AND FORESTED)
12,649 SF - PERMANENT IMPACT TO ZONE 1 - PERMANENT ACCESS ROAD
18.344 SF - PERMANENT IMPACT TO ZONE 2 - PERMANENT ACCESS ROAD
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WETLAND, STREAM, AND BUFFER IMPACT MAPS
210 WASTEWATER TREATMENT FACILITY
EFFLUENT FORCE MAIN
Johnston County, North Carolina

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AQUATIC SPECIES SURVEY REPORT

Aquatic Species Survey Report
Johnston County Wastewater Treatment Facility
Johnston County, North Carolina
Neuse River Habitat in Survey Reach
Prepared For:
Johnston County Public Utilities
309 E. Market St.
P.O. Box 2263
Smithfield, NC 27539
March 4, 2022

Prepared by:
,1llEERbre.
324 Blackwell Street, Suite 1200
Durham, NC 27701

Table of Contents
1.0 Introduction 1
2.0 Survey Efforts 2
2.1 Survey Methodology 2
2.1.1. Mussels 2
2.1.2. Carolina Madtom 3
2.1.3. Neuse River Waterdog 3
3.0 Results 3
3.1 Neuse River Conditions 3
3.2 Aquatic Species Survey Results 4
3.2.1. Mussels 4
3.2.2. Carolina Madtom 4
3.2.3. Neuse River Waterdog 4
4.0 Discussion/Conclusions 5
5.0 Literature Cited 6
Appendix A: Figures
Figure 1: Project Vicinity and Survey Reach
Figure 2-1 to 2-5: NCNHP Element Occurrences and Designated Critical Habitats
Appendix B: Select Photographs

1.0 INTRODUCTION
Johnston County Public Utilities proposes a new outfall in the Neuse River as part of the
Johnston County WWTF Force Main (JCWWTF) project (the Project). Figure 1 shows the
approximate location of the new outfall and survey area for the Project (Appendix A: Figure 1).
The US Fish and Wildlife Service (USFWS) Information, Planning, and Consultation (IPaC)
system lists the Dwarf Wedgemussel (Alasmidonta heterodon, DWM), Atlantic Pigtoe
(Fusconaia masoni, AP), Carolina Madtom (Noturus furiosus, CMT), and Neuse River
Waterdog (Necturus lewisi, NRWD) as federally protected aquatic species that could potentially
be affected by activities in this location, as accessed in February 2022 (USFWS 2022).
The Dwarf Wedgemussel is a Federally listed Endangered species under the Endangered Species
Act (ESA) and is known to occur near the Project area. The Atlantic Pigtoe is also known to
occur near the Project area and was listed under the Endangered Species Act (ESA) as a
Threatened Species with Section 4(d) Rule and Critical Habitat Designation on November 16,
2021 (USFWS 2021a). The Neuse River Waterdog and Carolina Madtom are likewise known to
occur near the Project area. On June 8, 2021, these two species were granted protection under
the ESA as a Threatened Species (Neuse River Waterdog) and an Endangered Species (Carolina
Madtom) with Critical Habitat Designation proposed for both species and a Section 4(d) Rule
granted for the Neuse River Waterdog (USFWS 2021b). The Green Floater (Lasmigona
subviridis, GF) is being considered for listing by the USFWS and is known to occur in this
portion of the Neuse River.
When consulted on the project, the USFWS requested survey data for these species in the project
area. Three Oaks Engineering, Inc. (Three Oaks) was contracted to perform these surveys
targeting mussels, Carolina Madtom, and Neuse River Waterdog.
Table 1 lists the nearest element occurrence (EO) in approximate river miles (RM) for these
species relative to the Project, as well as the nearest Critical Habitat unit for each species that
currently has defined Critical Habitat (USFWS 2021a, USFWS 2021b). Data is according to the
NC Natural Heritage Program database (NCNHP 2022) last updated January 2022 (Appendix A,
Figures 2-1 through 2-5).
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 1

Table 1—Element Occurrences and Critical Habitat
Species
Name
EO
ID
EO Waterbody
Distance
from
crossing
(RM)
First
Observed
Last
Observed
EO
Status*
Nearest
Critical
Habitat
Unit**
Distance
from
Crossing
(RM)
Figure
DWM
13799
Swift
Creek/Middle
Creek
0.2
March
1991
March
2020
C
N/A
—
2-1
AP
11695
Swift Creek
1.3
March
1991
August
2020
C
14
.2
2-2
NRWD
1633
Swift and
Middle Creek
0 2
April
1979
February
2021
C
11
.2
2-3
CMT
3858
Little River
>50
June 1961
July 2005
C
5
>50
2-4
9621
Swift
Creek/Middle
Creek
1.0
June 1961
May 1985
H
GF
28706
Neuse River
15.6
July 2010
May 2018
C
N/A
—
2-5
*: C — NCNHP Current; H —NCNHP Historic
**: N/A — No Critical Habitat Defined, as of July 2022
2.0 SURVEY EFFORTS
Surveys for target mussel species and Carolina Madtom were conducted by Three Oaks
personnel Tom Dickinson (Permit 21-ES00343), Tim Savidge (Permit 21-ES0034), Nathan
Howell, and Brian Watson on May 20, 2021. Neuse River Waterdog surveys were completed by
Tom Dickinson, Tim Savidge, Kate Sevick, Trevor Hall, Lizzy Stokes -Cawley, and Nancy
Oberle the week of February 14-18, 2022.
2.1 Survey Methodology
Surveys for mussels, Carolina Madtom, and Neuse River Waterdog were conducted within the
Neuse River as shown in the reach in Figure 1.
2.1.1. Mussels
Areas of appropriate habitat were searched, concentrating on the stable habitats preferred by the
target species. The survey team spread out across the creek into survey lanes. Visual surveys
were conducted using mask and snorkel and SCUBA techniques in thalweg habitat over four feet
deep. Tactile methods were employed, particularly in streambanks under submerged rootmats.
All freshwater bivalves were recorded and returned to the substrate. Timed survey efforts
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 2

provided Catch Per Unit Effort (CPUE) data for each species. Relative abundance for freshwater
snails and freshwater clam species were estimated using the following criteria:
➢ (VA) Very abundant > 30 per square meter
➢ (A) Abundant 16-30 per square meter
➢ (C) Common 6-15 per square meter
➢ (U) Uncommon 3-5 per square meter
➢ (R) Rare 1-2 per square meter
➢ (P-) Ancillary adjective "Patchy" indicates an uneven distribution of the species within the
sampled site.
2.1.2. Carolina Madtom
During the mussel survey effort for the project, the presence of preferred habitats for the
Carolina Madtom were assessed and targeted visual surveys were conducted by overturning
rocks and debris in these areas.
2.1.3. Neuse River Waterdog
Methods were developed by Three Oaks in consultation with the USFWS and NCWRC and were
designed to replicate winter trapping efforts conducted as part of the recent species status
assessment undertaken by these agencies and collaborators. The Neuse River Waterdog is more
active when water temperatures are low, an adaptation that may help them avoid fish predation,
thus, trapping is generally conducted late October through March. Trapping during this time of
year also reduces the potential for unintended mortality (by drowning) of bycatch of small turtles
and other reptiles, as they are generally not active during the winter months.
A total of 10 trap sites were distributed upstream and downstream of the approximate outfall
location. Trap sites were selected based on habitat conditions and accessibility. Undercut banks,
with some accumulation of leaf pack, as well as back eddy areas within runs were the primary
microhabitats selected; however, all of the microhabitats (pool, riffle, run, etc.) occurring at a site
were sampled with at least one trap. Traps were baited with chicken livers and allowed to soak
overnight. The traps were checked daily, all species found within the traps were recorded, and
the traps were rebaited.
3.0 RESULTS
3.1 Neuse River Conditions
The channel in this portion of the Neuse River was 45-55 meters wide, with banks up to 4 meters
high that exhibited significant erosion and undercutting. Habitat in the majority of the reach
consisted of run with a deeper thalweg to eight feet deep along the right descending side of the
river. A large bar and deep sand accumulations were present along the left descending riverbank
extending to midchannel. Substrates were dominated by unconsolidated shifting sands with a
narrow area of cobble and gravel in the river's thalweg. Areas of hard packed clay and silt
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 3

accumulations were present along the river margins and a large volume of woody debris was
present. A strong wastewater smell was noted during the efforts.
3.2 Aquatic Species Survey Results
3.2.1. Mussels
A total of 15.3 person hours of mussel survey time were spent in the reach, with the eight mussel
species in Table 2 being found. Other mollusk species located included the Asian Clam
(Corbicula fluminea).
Table 2. CPUE for Freshwater Mussels in Neuse River
Scientific Name
Common Name
# live
Abundance/
CPUE
Freshwater Mussels
CPUE
Alasmidonta undulata
Triangle Floater
1
0.06/hr
Elliptio congaraea
Carolina Slabshell
76
4.97/hr
Elliptio complanata
Eastern Elliptio
121
7.91/hr
Elliptio fisheriana
Northern Lance
1
0.06/hr
Elliptio icterina
Variable Spike
2
0.12/hr
Elliptio sp. c.f. mediocris
No common name
41
2.68/hr
Elliptio roanokensis
Roanoke Slabshell
240
15.69/hr
Lampsilis radiata
Eastern Lampmussel
5
0.33/hr
Freshwater Snails and Clams
Relative
Abundance
Corbicula fluminea
Asian Clam
—
C
3.2.2. Carolina Madtom
The Carolina Madtom was not observed, and appropriate habitat and cover is very limited within
the Project study area due to the large volume of unconsolidated sand. Visual surveys in the area
observed Tessellated Darter (Etheostoma olmstedi), Common Carp (Cyprinus carpio), Channel
Catfish (Ictalurus punctatus), and Flathead Catfish (Pylodictis olivaris). USFWS (2021c)
identified the Flathead Catfish, an invasive predator in Atlantic Slope drainages, as a major
factor influencing the viability of the Carolina Madtom, particularly in the Neuse River Basin.
3.2.3. Neuse River Waterdog
The NRWD was not captured during the trapping efforts. Five fish species including the White
Shiner (Luxilis albeolus), Spottail Shiner (Notropis hudsonius), Satinfin Shiner (Cyprinella
analostana), Channel Catfish (Ictalurus punctatus), and Bluespotted Sunfish (Enneacanthus
obesus) were trapped in low densities, as displayed in Table 3.
Table 3. Neuse River Trauuina Surveys Suecies Found 02/14-18/2022
Trap
Day 1
Day 2
Day 3
Day 4
1
2
White Shiner (1)
—
—
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 4

3
4
—
—
Spottail Shiner (1)
5
—
—
—
Bluespotted Sunfish
(1), Channel Catfish
(1)
6
—
—
—
Satinfin Shiner (2)
7
8
9
10
—
—
Bluespotted Sunfish
(1)
4.0 DISCUSSION/CONCLUSIONS
These efforts provide updated aquatic species survey data and habitat assessment for the
Johnston County WWTF Force Main Project. Target mussel species, the Carolina Madtom, and
Neuse River Waterdog were not found. Mussel fauna consists of a fairly diverse assemblage
typical of this portion of the mainstem Neuse River that includes the state Threatened Triangle
Floater and Eastern Lampmussel. While other species were not found during these surveys,
potential habitat is present; thus, the presence of additional species cannot be altogether ruled
out.
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 5

5.0 LITERATURE CITED
North Carolina Natural Heritage Program (NCNHP). 2022. Biotics Database. Division of Land
and Water Stewardship. Department of Natural and Cultural Resources. January 2022
version.
United States Fish and Wildlife Service (USFWS) 2021a. Endangered and Threatened Wildlife
and Plants: Threatened Species Status with Section 4(d) Rule and Designation of Critical
Habitat for Atlantic Pigtoe. 50 CFR 17:86 FR 64000, 64000-64053. Docket Nos. FWS-
R4-ES-2018-0046FF09E21000 FXES 1111090FEDR 223.
USFWS 2021b. Endangered and Threatened Wildlife and Plants; Threatened Species Status
with Section 4(d) Rule for Neuse River Waterdog, Endangered Species Status for
Carolina Madtom, and Designations of Critical Habitat. 50 CFR 17:86 FR 30688, 30688-
30751. Docket No. FWS-R4-ES-2018-0092.
USFWS 2021c. Species status assessment report for the Carolina Madtom (Noturus furiosus).
Version 1.2.
USFWS 2022. USFWS Information for Planning and Conservation (IPAC). Accessed February
2022. https://ecos.fws.gov/ipac/
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 6

APPENDIX A
Figures
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 7

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Aquatic Species Surveys
Johnston County 210
WWTF Force Main
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Johnston County, North Carolina
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Aquatic Species Surveys
Johnston County 210
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NCNHP Element Occurrences:
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Aquatic Species Surveys
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-NCNHP Element Occurrence:
Carolina Madtom
Critical Habitat Unit 5:
Carolina Madtom
_
L- 1 County Boundary
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Aquatic Species Surveys
Johnston County 210
V V TF Force Main
NCNHP Element Occurrences and
Critical Habitat: Carolina Madtom
Johnston County, North Carolina
Date:
March 2022
Figure
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Scale:0 1 2 Miles
Job No.:21-308
Drawn s •
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NCNHP Element Occurrence:
Green Floater
i County Boundary
— Streams
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Aquatic Species Surveys
Johnston County 210
VWVTF Force Main
NCNHP Element Occurrences:
Green Floater
Johnston County, North Carolina
Date:
March 2022
Figure
2
Job Na.: 21-308
Drawn By:Checked
TDH
Bv:
TED

APPENDIX B
Select Photographs
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 14

Neuse River Survey Reach During Mussel and Fish Surveys
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 15

Neuse River Survey Reach During NRWD Surveys
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 16

or s't'rr':
•
1%►f; ,00ct
to, tf
Otitt
■ 'I
Eastern Lampmussel found in survey reach
1ri
vo
" "1'47676
•
',I. 4.k AVOIN
L % t.
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Triangle Floater found in survey reach
JCWWTF Aquatic Surveys
Three Oaks Job# 21-308
March 2022
Page 17