20090354 Ver 1_CAMA Permit Application_20090401

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MEMORANDUM
TO: Ms. Cyndi Karoly
Env. Biological Supervisor
Division of Water Quality Wetlands Unit
FROM: Doug Huggett
Major Permits Processing Coordinator
Coastal Management Division
400 Commerce Avenue
Morehead City NC 28557
DATE: 1 April 2009
SUBJECT: CAMA Application Review
APPLICANT: Ocracoke Sanitary District
#&@@g
APR 1
2009
MET(ANOS4Mp STO" B
CH
Respond to Doug Huggett
Morehead City Office
PROJECT LOCATION: On the northwest side of Ocracoke Village at the existing reverse
osmosis water treatment plant, between the National Park Service boat ramp and the Pamlico
Shores subdivision adjacent the Pamlico Sound on Ocracoke Island, Hyde County, North
Carolina.
PROPOSED PROJECT: Applicant proposes to replace an existing reverse osmosis effluent
discharge line as part of an expansion of the existing reverse osmosis water treatment plant.
Please indicate below your position or viewpoint on the proposed project and return this form by 21 April
2009. Please contact Steve Trowell at 252-948-3854, if you have any questions regarding the proposed
project. When appropriate, in depth comments with supporting data are requested.
REPLY This office has no objection to the project as proposed.
This office has no comment on the proposed project.
This office approves of the proposed project only if the recommended changes
are incorporated. See attached.
This office objects to the proposed project for reasons described in the attached
comments.
Signed
Date
q 1. 3- ? e i
DIVISION OF COASTAL MANAGEMENT
FIELD INVESTIGATION REPORT
1. APPLICANT'S NAME: Hyde County
2. LOCATION OF PROJECT SITE: The project site is located on the northwest side of Ocracoke Village at the
existing reverse osmosis water treatment plant, between the National Park Service boat ramp and the Pamlico Shores
subdivision adjacent the Pamlico Sound on Ocracoke Island, Hyde County, North Carolina.
Photo Index - 2006: 90-7883; M-15; 2000: 90-1042; L-9 1995: 90-960; J-5
State Plane Coordinates - X: 2,901,500 Y: 512,000
Ocracoke (upper right left corner)
3. INVESTIGATION TYPE: CAMA and Dredge and Fill
4. INVESTIGATIVE PROCEDURE: Dates of Site Visit - 3/10/ 09
Was Applicant Present - No
5. PROCESSING PROCEDURE: Application Received - 2/23/09
Office - Washington
6. SITE DESCRIPTION:
(A) Local Land Use Plan - Hyde County
Land Classification From LUP - Community (uplands)
(B) AEC(s) Involved: ES, PTS, EW, PTA, CW
(D) Water Dependent: YES
(D) Intended Use: Public
(E) Wastewater Treatment: Existing - Exist ing Septic tank and drain field.
Planned - N/A
(F) Type of Structures: Existing - Reve rse Osmosis water treatment plant and associated effluent discharge
pipe.
Planned - A 6" Effluent Discharge Pipe with 5 Diffusers
(G) Estimated Annual Rate of Erosion: N/A
7. HABITAT DESCRIPTION: [AREA]
DRF.DGF.n FTT T.F.D OTUFR
(A) Vegetated Wetlands
(B) Non-Vegetated Wetlands 6" x 400'= 200 ft2 (Direc tional 20 ft2
Pamlico Sound bottom bore below grade) (9-Concrete
Anchors)
(C) Other 34,180 ft2
Uplands (Plant expansion and disturbed
discharge pipe installation)
(D) Total Area Disturbed:.8 acres or 34,400 ft2
(E) Primary Nursery Area: No
(F) Water Classification: SA HQW Open: Yes
8. PROJECT SUMMARY: The applicant proposes to replace an existing reverse osmosis effluent discharge line as
part of an expansion of the existing reverse osmosis water treatment plant.
Ocracoke Reverse Osmosis Water Treatment Plant
Hyde County
Project Setting
The project site is located at the existing Reverse Osmosis Water Treatment Plant (RO WTP) on
the northwest side of Ocracoke Village off HWY 12 on Water Plant Road east of the National Park
Service boat ramp and west of the Pamlico Shores subdivision adjacent the Pamlico Sound in Hyde
County, North Carolina. The site is owned by the National Park Service for which the Ocracoke Sanitary
District holds a Special Use Permit to operate the plant. The site is developed with no wetlands other
than a Coastal Wetland marsh fringe protected by a riprap breakwater adjacent/on the Pamlico Sound
shoreline. There is an existing failing effluent discharge line exposed lying on the Pamlico Sound bottom
extending 400' out from the shoreline. This dilapidated line is the active discharge for the existing RO
WTP. The plant has a maiximum production capacity of 345,000 gallons of potable water per day. The
existing plant has a valid National Pollution Discharge Elimination System (NPDES) permit from the
Division of Water Quality for the discharge of a saline effluent not to exceed 450,000 gpd.
There is a grassed area of uplands +3' above the normal water level (NWL) located near the
shore at the end of Water Plant Road. This area is landward of a rope fence and is regularily mowed.
The uplands transition down to a Coastal Wetland fringe protected by a riprap breakwater. The
transition area is vegetated mainly with american beach grass, salt meadow grass and scattered wax
myrtles.
The nearshore area of the Pamlico Sound offshore the RO WTP is shallow with water depths 1'
at the existing riprap breakwater gradually deepening to 2' at the terminal end of the existing effluent
discharge line 400' offshore. DCM staff has not observed the presence of any significant SAV in the
vicinity of the existing discharge line. Pamlico Sound at this location is designated as Coastal Waters by
the NC Division of Marine Fisheries and SA HOW by the Environmental Management Commission. The
area is open to shellfishing.
Project Description
Hyde County has applied for and received funding from the US Department Agriculture Rural
Utility Services for the expansion of the existing reverse osmosis water treatment plant on Ocracoke.
The proposed expansion was reviewed under the provisions of the NEPA process beginning in April 2005
and received a Finding of No Significant Impact (FONSI) in February 2007. Production of potable water
will increase from 0.345 mgd to 0.534 mgd. The volume of effluent will increase from 192,000 gallons
per day at a rate of 200 gallons per minute to 384,000 gallons per day at a discharge rate of 400 gallons
per minute. The increase in potable water production will not cause effluent volume to exceed the limit
currently allowed by the active NPDES permit. The effluent will have a salinity of 9.9ppt. A 2,000 square
foot building addition will be constructed to house the new equipment and administrative offices.
The existing discharge line is to be replaced at the current location. The 6" discharge line is to
be trenched in place down Water Plant Road from the WTP to the maintained grassed area of uplands at
the end of the road. A directional bore will then drill the line in place below grade emerging at a point
350' offshore where the last 100' will be anchored above grade to the bottom. This 100' long difuser
section will protrude 1.5' above the bottom of the sound. The last 100' will be anchored with 9-1.5' x
1.5' x 1' concrete anchors. There will be 5 diffuser check valves evenly spaced along the line. Two signs
Ocracoke Reverse Osmosis Water Treatment Plant
Hyde County
and two bouys will be placed beginning 150' offshore the NWL, in 150' intervals, out to 450' then one
sign will be placed at the end perpendicular to shore. The floating marker bouys will be 6" in diameter
and 3' tall and the signs will be 1.5' x 1', extending 4' above the NWL. The existing exposed failed line
below the NWL is to be removed.
Anticipated Impacts
The water plant expansion and installation of the 6 inch discharge pipe will result in the
disturbance of 34,180 ft' of uplands. There will be some short term localized turbidity from the
installation of the discharge pipe. The project will result in an increased amount of saline discharge,
approximately twice the current rate and volume.
Steve Trowell - Washington Regional Office - 30 March 2009
1 • Celebrating 0 ears of Service
Pivers Engineers
V &Associates,inc. Planners
Slnce1918 1918-2008 Surveyors
March 9, 2009
Mr. Steve Trowell, Field Officer
NCDENR - Division of Coastal Management
943 Washington Square Mall
Washington, NC 27889
Subject: Ocracoke Sanitary District - WTP Improvements
Effluent Discharge Diffuser - CAMA Major Application
Rivers File - 22084.1 D
Mr. Trowell,
On behalf of the Ocracoke Sanitary District (OSD), Rivers and Associates, Inc. is submitting the
enclosed CAMA Major Permit application and supplemental information for review and approval
by your agency.
As discussed in an earlier telephone conversation, the OSD is proposing to expand the existing
water treatment plant (WTP) in the Village of Ocracoke. The new WTP expansion will feature
the following items:
• An expansion of the existing plant building by approximately 2,080 sq. ft.;
• Two (2) 3-Module Reverse Osmosis (RO) units ;
• Two (2) high service pumps; upgraded pumps ;
• Controls, piping and valves for two (2) existing wells;
• Variable Frequency Drives (VFD's) on all pumps;
• A heat pump;
• Upgraded electrical service;
• An emergency generator;
• New administrative offices;
• Sanitary facilities and separate chemical storage room;
• Wastewater force main from expanded WTP to existing septic tank;
• Effluent discharge forcemain and diffuser.
All proposed work, with the exception of the effluent discharge forcemain and diffuser, will be
located outside of the CAMA 75' shoreline area of environmental concern (AEC). The
installation of new raw water piping will be parallel to the existing piping located within
previously disturbed utility easements maintained by the OSD.
The proposed effluent discharge forcemain will be installed parallel to the existing damaged
discharge (to be abandoned). The portion of the discharge forcemain extending from the
shoreline into the Pamlico Sound will be installed using the directional bore method. A 100-foot
section of pipe with five (5) diffuser check valves will be attached below the water surface to the
end of the forcemain pipe protruding from the sound bottom. Marker buoys (3) and piled
warning signs (7) will be located along the pipeline corridor to indicate the sub-aqueous pipe
location.
107 East Second Street, Greenville, NC 27858 • Post Office Box 929, Greenville, NC 27835 • [phone] • FAX [phone]
Email: [e-mail]
^ Celebrating 90 Years of Service
l 1' lil Engineers
&Associates,inc. _ Planners
Since1438 1918-2008 Surveyors
Please find enclosed the following items as discussed in our earlier telephone conversation:
• DCM MP-1 Application for Major Development (general project information);
• DCM MP-2 Excavation and Fill (effluent forcemain directional boring);
• DCM MP-3 Upland Development (WTP upgrades and pipeline installation);
• DCM MP-4 Structures (diffuser pipe);
• Project Narrative with site photos;
• Project Plans - Rivers Drawing W-200, Sheets 1-14 dated 11/01/08;
• Project Location Map;
• Application Fee of $400 - Check # 92079;
• Copies of signed certified mail receipts from adjacent property owners
• Agent Authorization Form;
• United States Department of the Interior - National Park Service Special Use Permit #
CAHA 5:190:14;
• Proposed Easement Map for Public Trust Waters to be approved by NC DOA- State
Property Office;
• NCDENR Division of Water Quality - NPDES Permit N00041530;
• NC State Clearinghouse Environmental Review Comments and Approval for SCH# 06-
E-0000-0195;
• Affidavit of Publication of the Notice of a Finding Of No Significant Impact (FONSI);
The request for the easement in the Pamlico Sound for the directional bore has been submitted for
review by the N.C. Department of Administration's State Property Office (SPO) and will be
included on the agenda for the next monthly meeting to be held on March 3, 2009. The
State Property Office reference number for this project is 48-AD. This item will be
forwarded to your office as it becomes available.
On behalf of the OSD, we greatly appreciate your assistance in this review. If you have any
questions, please feel free to contact me for further discussion or additional items. Please contact
me to confirm receipt of the above listed items.
Respectfully,
-? - ? `DWG
Travis Hill
Planner
Enclosures
CC: Lonnie Burrus, OSD
Ben Williams
File
P:\MUNI\HYDE\Engelhard\D-penmits\CAMA\1tr011209-DCM.doc
107 East Second Street, Greenville, NC 27858 . Post Office Box 929, Greenville, NC 27835 • [phone] • FAX [phone]
Email: [e-mail]
IN MP4
APPLICATION for
Major Development Permit 0 9- 0 3 5 4
(last revised 12/27106)

North Carolina DIVISION OF COASTAL MANAGEMENT
1. Primary Applicant/ Landowner Information
Business Name
Ocrakoke Sanitary District Project Name (if applicable)
Ocracoke Sanitary District (OSD) Water System Improvement
Applicant 1: First Name
Lonnie MI
R Last Name
Burrus
Applicant 2: First Name MI Last Name
If additional applicants, please attach an additional page(s) with names listed.
Mailing Address PO Box
567 City
Ocracoke State
NC
ZIP
27960 Country
Hyde County Phone No.
252 - 928 - 5791 ext. FAX No.
252 - 928 - 6651
Street Address (if different from above)
159 Water Plant Road City
Ocracoke State
NC ZIP
27960-
Email

2. Agent/Contractor Information
Business Name APR 1 2009
Rivers And Associates Inc
Agent/ Contractor 1: First Name MI Last Name WETLANDS AND STORMWATER BRANCH
Ben E Williams
Agent/ Contractor 2: First Name MI Last Name
Mailing Address PO Box City State
929 Greenville NC
ZIP Phone No. 1 Phone No. 2
27834 252 - 752 - 413 5 ext. - - ext.
FAX No. Contractor #
252 752 3974
Street Address (if different from above) City State ZIP
107 E. Second Street Greenville NC 27834-
Email
[e-mail]
<Form continues on back>
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?;

Major Development Permit
3. Project Location
County (can be multiple) Street Address State Rd. #
Hyde County 159 Water Plant Road NC Hwy 12 (closest)
Subdivision Name City State Zip
N/A Ocracoke NC 27960-
Phone No. Lot No. (s) (if many, attach additional page with list)
252 - 928 - 5791 ext. N/A, ,
a. In which NC river basin is the project located? b. Name of body of water nearest to proposed project
Tar-Pamlico Pamlico Sound
c. Is the water body identified in (b) above, natural or manmade? d. Name the closest major water body to the proposed project site.
®Natural ?Manmade ?Unknown Pamlico Sound
e. Is proposed work within city limits or planning jurisdiction? f. If applicable, list the planning jurisdiction or city limit the proposed
®Yes ?No work falls within.
Hyde County
4. Site Description
a. Total length of shoreline on the tract (ft.) b. Size of entire tract (sq.ft.)
National Park Service property has approx. 2,270 ft National Park Service property is approx. 22 acres
c. Size of individual lot(s) d. Approximate elevation of tract above NHW (normal high water) or
N/A,
NWL (normal water level)
(If many lot sizes, please attach additional page with a list) 2 feet ®NHW or ?NWL
e. Vegetation on tract
Vegetation located on the water treatment plant and the well sites has been previously disturbed and mainly consists of dirt
and patches of mowed grass (see photo). The directional bore staging site area is mowed grass maintained by the National
Parks Service. An area of coastal wetlands near the shoreline will be avoided by the directional bore installation of the
effluent discharge pipe. There is no vegetation in the proposed diffuser location.
f. Man-made features and uses now on tract
Currently the directional bore staging site is occupied by a single-story wood-frame house on a concrete foundation that
serving as a facility for U.S. Coast Guard personel lodging. There is an asphalt driveway serving the house as well as a
rope fence defining the existing wetland along the property's shoreline. A 4-inch PVC effluent forcemain, from the existing
WTP, is located on the property and extends approximately 400 LF into the sound with a 300 LF diffuser. The entire NIPS
tract has been developed with boat ramps, docks, structures, etc. (see aerial photo).
g. Identify and describe the existing land uses adiacent to the proposed project site.
East - Pamilco Shores residential subidivision. A single family home currently occupies the adjacent riparian property.
West - North Carolina Center for Advancement of Teachers (NCCAT). Single-story and two-story buildings used for
lodging/conferences etc.
h. How does local government zone the tract? i. Is the proposed project consistent with the applicable zoning?
N/A (Attach zoning compliance certificate, if applicable)
?Yes ?No ®NA
j. Is the proposed activity part of an urban waterfront redevelopment proposal? ?Yes ®No
k. Hasa professional archaeological assessment been done for the tract? If yes, attach a copy. ?Yes ®No ?NA
If yes, by whom?
1. Is the proposed project located in a National Registered Historic District or does it involve a ?Yes ®No ?NA
National Register listed or eligible property?
<Form continues on next page>
2 2- 0f3-2808 t-fl?,g_4.[,, CC!l ? .. ?.vrvv.nccaasCn[mc n.zgemen•c.neL
Form DCM MP-1 (Page 3 of 5)
APPLICATION for
Major Development Permit
m. (i) Are there wetlands on the site? ®Yes ?No
(ii) Are there coastal wetlands on the site? ®Yes ?No
(iii) If yes to either (i) or (ii) above, has a delineation been conducted? ?Yes ®No
(Attach documentation, if available)
n. Describe existing wastewater treatment facilities.
A 1,500 gallon septic tank, drainfield, and collection pipes currently provide wastewater treatment for the facilities located on
the 22-acre NPS tract. The proposed 1.5" forcemain will transport domestic wastewater from the proposed WTP restroom
facilities to the existing septic system.
o. Describe existing drinking water supply source.
OSD currently operates and maintains a 0.345 MGD. water treatment plant providing drinking water to the Village.
p. Describe existing storm water management or treatment systems.
N/A
5. Activities and Impacts
a. Will the project be for commercial, public, or private use? ?Commercial ®Public/Government
? Private/Community
b. Give a brief description of purpose, use, and daily operations of the project when complete.
The purpose of this project is to expand the existing Water Treatment Plant (WTP) from its current 16-hour capacity of 0.345
MGD to a 16-hour capacity of 0.534 MGD. This will allow the OSD to meet projected demand until approximately 2014. The
majority of the proposed improvements will be confined to the existing fenced WTP site. The only portion of the project not
within the WTP site will be the upgraded pump installation at the existing Well No. 2 site, the construction of raw water piping
from the well site to the WTP, and construction of the effluent discharge from the WTP to the existing discharge location.
The installation of new reject water discharge piping will be parallel to the existing piping located within a previously disturbed
utility easement maintained by the OSD. The exising discharge pipe has been deemed as "failed" and the OSD proposes to
remove the sub-aqueous portion of the pipe currently exposed on the bottom of the Pamlico Sound. The new discharge pipe
will serve as its replacement and has a permitted monthly discharge rate of 0.45 MGD.
c. Describe the proposed construction methodology, types of construction equipment to be used during construction, the number of each type
of equipment and where it is to be stored.
The new 4" PVC pipe will be constructed within the previously disturbed utility easement and will be layed in a trench dug by
typical excavating methods. However, when the pipe reaches the cleared area near the shoreline the directional boring
method will then be used to insert a 6" HDPE pipe below grade to avoid any potential effects the the wetlands. A
construction barge with a small crane will be used to attach the 100 LF diffuser to the end of the 6" HDPE force main. The
100 LF diffuser will be a 6" PVC pipe with five (5) diffuser check vales and placed on the bottom of the Sound and fastened
to nine (9) 18"x18"x12" concrete anchors.
d. List all development activities you propose.
No development activities are associated with the proposed effluent outfall diffuser project.
e. Are the proposed activities maintenance of an existing project, new work, or both? Both
f. What is the approximate total disturbed land area resulting from the proposed project? 34,180 ®Sq.Ft or ?Acres
g. Will the proposed project encroach on any public easement, public accessway or other area ®Yes ?No ?NA
that the public has established use of?
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Form DCM MP-1 (Page 4 of 5)
APPLICATION for
Major Development Permit
h. Describe location and type of existing and proposed discharges to waters of the state.
The reject water from the existing OSD RIO water treatment plant is currently discharged through a concrete diffuser located
approximately 400 LF from the NPS shoreline. The existing diffuser is damaged, silting in, and becoming less effective as a
means of dilution. The proposed 100 LF, multi-port diffuser will be located within a permanent utility easement. The OSD
proposes to removed the sub-aqueous portion of the existing discharge pipe currently exposed on the bottom of the Pamlico
Sound. OSD currently has a NPDES permit (N00041350) to discharge effluent from the expanded WTP. The proposed
WTP is permitted to have an average monthly discharge of 0.45 MGD, which is less than the amount allowed in the existing
WTP's original NPDES Permit. The existing discharge effluent has an average salinity of approximately 9.9 ppt. The
proposed installation of additional RIO units is not anticipated to increase the effluent's salinity. The receiving waters of the
Pamlico Sound have an average salinity of 25 ppt at the discharge location. Based on CORMIX modeling performed during
the preparation of the approved Environmental Assessment, the use of the proposed diffuser in combination with high
ambient current velocities will result in adequate mixing and mitigate impacts to receiving waters.
Will wastewater or stormwater be discharged into a wetland? ?Yes ®No ?NA
If yes, will this discharged water be of the same salinity as the receiving water? ?Yes ®No ?NA
j. Is there any mitigation proposed? ?Yes ®No ?NA
If yes, attach a mitigation proposal.
<Form continues on back>
6. Additional Information
In addition to this completed application form, (MP-1) the following items below, if applicable, must be submitted in order for the application
package to be complete. Items (a) - (f) are always applicable to any major development application. Please consult the application
instruction booklet on how to properly prepare the required items below.
a. A project narrative.
b. An accurate, dated work plat (including plan view and cross-sectional drawings) drawn to scale. Please give the present status of the
proposed project. Is any portion already complete? If previously authorized work, clearly indicate on maps, plats, drawings to distinguish
between work completed and proposed.
c. A site or location map that is sufficiently detailed to guide agency personnel unfamiliar with the area to the site.
d. A copy of the deed (with state application only) or other instrument under which the applicant claims title to the affected properties.
e. The appropriate application fee. Check or money order made payable to DENR.
f. A list of the names and complete addresses of the adjacent waterfront (riparian) landowners and signed return receipts as proof that such
owners have received a copy of the application and plats by certified mail. Such landowners must be advised that they have 30 days in
which to submit comments on the proposed project to the Division of Coastal Management.
Name Howard Maxwell Phone No. (304) 257 - 4676
Address 176 Pamlico Shore Road Ocracoke, NC 27960
Name NCCAT (North Carolina Center for Advancement of Teachers) Phone No. (828) 293 - 5202
Address 276 NCCAT Drive Cullowhee, NC 28723-9062
Name Phone No.
Address
g. A list of previous state or federal permits issued for work on the project tract. Include permit numbers, permittee, and issuing dates.
See attached Narrative
h. Signed consultant or agent authorization form, if applicable.
i. Wetland delineation, if necessary.
j. A signed AEC hazard notice for projects in oceanfront and inlet areas. (Must be signed by property owner)
k. A statement of compliance with the N.C. Environmental Policy Act (N.C.G.S. 113A 1-10), if necessary. If the project involves expenditure
of public funds or use of public lands, attach a statement documenting compliance with the North Carolina Environmental Policy Act.
7- F?2_°C 0(-28C0; :: 't `%G ?F,(7,. A F 7 _-V r, L`_FC707._ ICS -Z .Y rl: [i1. r: t
Form DCM MP-1 (Page 5 of 5)
APPLICATION for
Major Development Permit
7. Certification and Permission to Enter on Land
I understand that any permit issued in response to this application will allow only the development described in the application.
The project will be subject to the conditions and restrictions contained in the permit.
I certify that I am authorized to grant, and do in fact grant permission to representatives of state and federal review agencies to
enter on the aforementioned lands in connection with evaluating information related to this permit application and follow-up
monitoring of the project.
I further certify that the information provided in this application is truthful to the best of my knowledge.
Date 3 - 19 -C-1 Print Name Ben Williams
Signature ?(SCS?L
Please indicate application attachments pertaining to your proposed project.
®DCM MP-2 Excavation and Fill Information ?DCM MP-5 Bridges and Culverts
®DCM MP-3 Upland Development
®DCM MP-4 Structures Information
i '. I , c = : , r, . t
Form DCM MP-2
EXCAVATION and FILL
(Except for bridges and culverts)
Attach this form to Joint Application for CAMA Major Permit, Form DCM MP-1. Be sure to complete all other sections of the Joint
Application that relate to this proposed project. Please include all supplemental information.
Describe below the purpose of proposed excavation and/or fill activities. All values should be given in feet.
Access Other
Channel
NLW Canal Boat Basin Boat Ramp Rock Groin Rock (excluding
(
or Breakwater shoreline
NWL) stabilization)
Length - - - - - - 400'
Width
-
0.5'
Avg. Existing

Depth
-
- NA NA
-
Final Project

Depth
-
- NA NA
-
1. EXCAVATION ?This section not applicable
a. Amount of material to be excavated from below NHW or NWL in b. Type of material to be excavated.
cubic yards. B
ored material located approximately 3 feet below the
Displaced and removed material resulting from the directional bore existing ground and 2-4 foot below the water body's bottom
of the 400 LF 6" discharge pipe will be approximately 4.0 cu. yds.
c. (i) Does the area to be excavated include coastal wetlands/marsh
(CW), submerged aquatic vegetation (SAV), shell bottom (SB),
or other wetlands (WL)? If any boxes are checked, provide the
number of square feet affected.
?CW ?SAV ?SB
?WL HNone
(ii) Describe the purpose of the excavation in these areas:
d. High-ground excavation in cubic yards.
The proposed WTP restroom facility and building
expansion will be approximately 230 cu. yds. The total
linework excavation will be approximately 120 cu. yds.
Total high ground excavation will be approximately 350 cu
yds. All high ground excavation will occur outside of the 75'
CAMA coastal shoreline AEC.
Directional Bore installation of 6" HDPE effluent discharge
forcemain
2. DISPOSAL OF EXCAVATED MATERIAL ?This section not applicable
a. Location of disposal area. b. Dimensions of disposal area.
Adjacent to staging area near directional bore rig at the end Approximately 20'x 20'
of USCG Housing Road.
c. (i) Do you claim title to disposal area? d. (i) Will a disposal area be available for future maintenance?
HYes ?No ?NA ?Yes ?No HNA
(ii) If no, attach a letter granting permission from the owner. (ii) If yes, where?
e. (i) Does the disposal area include any coastal wetlands/marsh f. (i) Does the disposal include any area in the water?
(CW), submerged aquatic vegetation (SAV), shell bottom (SB), ?Yes HNo ?NA
or other wetlands (WL)? If any boxes are checked, provide the
number of square feet affected. (ii) If yes, how much water area is affected?
?CW ?SAV ?SB
?WL ®None
(ii) Describe the purpose of disposal in these areas:
n/a

?-19-Gg
Date
OSD - Water System Improvements
Project Name
Ben Williams
Applicant Name
Applican Signature

Form DCM MP-3
UPLAND DEVELOPMENT
(Construction and/or land disturbing activities)
Attach this form to Joint Application for CAMA Major Permit, Form DCM MP-1. Be sure to complete all other sections of the Joint
Application that relate to this proposed project. Please include all supplemental information.
GENERAL UPLAND DEVELOPMENT I
a. Type and number of buildings, facilities, units or structures
proposed.
Approximately 550 LF of 4" PVC effluent forcemain pipe,
three (3) stormwater catch basins, approximately 140 feet
of 8" PVC drainage pipe, new pump and pipe upgrades for
existing well site (1,450 LF of 8" raw water main), a 2,080
SF WTP building w/bathroom, and approx. 300 LF of 1.5"
PVC wastewater forcemain from WTP to existing 1,500 gal
septic tank.
c. Density (give the number of residential units and the units per
acre).
N/A - Project is not a residential development
e. If the proposed project will disturb more than one acre of land, the
Division of Land Resources must receive an erosion and
sedimentation control plan at least 30 days before land-disturbing
activity begins.
(i) If applicable, has a sedimentation and erosion control plan been
submitted to the Division of Land Resources?
?Yes ®No ?NA
(ii) If yes, list the date submitted:
Number of lots or parcels.
Project will not subdivide property and is located on one (1)
tract of land.
d. Size of area to be graded, filled, or disturbed including roads,
ditches, etc.
Anticipated total disturbed area during construction of WTP
and linework is approx. 34,180 SF. Linework areas will be
returned to pre-construction conditions upon project
completion.
f. List the materials (such as marl, paver stone, asphalt, or concrete)
to be used for impervious surfaces.
Asphalt driveways to be cut for pipe installation will be
repaved with asphalt to return site to pre-construction
conditions. All pipe work will be below grade with disturbed
areas being re-seeded.
Give the percentage of the tract within the coastal shoreline AEC to
be covered by impervious and/or built-upon surfaces, such as
pavement, building, rooftops, or to be used for vehicular driveways
or parking.
The WTP site is outside of the coastal shoreline AEC.
There is no impervious surfaces proposed in the coastal
shoreline AEC.
i. Give the percentage of the entire tract to be covered by impervious
and/or built-upon surfaces, such as pavement, building, rooftops,
or to be used for vehicular driveways or parking.
The WTP site is approximately 20,250 SF (0.46 ac).
The WTP site is located within the 22-acre NPS tract.
At project completion the total impervious area within
the WTP site will be approximately 10,385 SF, this is
approximately 51 % of the WTP site, but only
approximately 1% of the entire 22-acre NPS tract.
j. Describe proposed method of sewage disposal.
Projects that require a CAMA Major Development Permit may also
require a Stormwater Certification.
(i) Has a site development plan been submitted to the Division of
Water Quality for review?
?Yes ®No ?NA
(ii) If yes, list the date submitted:
k. Have the facilities described in Item (i) received state or local
252-808-28092 :: r-EBu-?C?G(?f S'F .. ?, e << nccc?ast2.[rna ,?.c?enlc-nt.i Et r-c.vised: 12/2e/06

The proposed restroom and shower facilities will be tied approval?
into an existing septic tank and drainfield located on the ?Yes ?No ®NA
NPS property outside the WTP site. If yes, attach appropriate documentation.
1. Describe location and type of proposed discharges to waters of the
state (e.g., surface runoff, sanitary wastewater, industrial/
commercial effluent, "wash down" and residential discharges).
Effluent from the WTP will be discharged through a force
main and diffuser into the Pamlico Sound approx. 450
LF from the shoreline. The proposed WTP is permitted
to have an average monthly discharge of 0.45 MGD,
which is less than the amount allowed in the existing
WTP's original NPDES Permit. The existing discharge
effluent has an average salinity of approximately 9.9
ppt. The proposed installation of additional R/O units is
not anticipated to increase the effluent's salinity. The
receiving wateres of the Pamlico Sound have an
average salinity of 25 ppt at the discharge location.
Based on CORMIX modeling performed during the
preparation of the approved Environmental
Assessment, the use of the proposed diffuser in
combination with high ambient current velocities will
result in adequate mixing and mitigate impacts to
receiving waters.
m. Describe proposed drinking water supply source (e.g., well,
community, public system, etc.)
OSD operates a public water supply system utilizing deep
groundwater wells and a Reverse Osmosis WTP. The
WTP currently provides all drinking water to the site.
o. When was the lot(s) platted and recorded?
The deed for the NPS property was recorded on 12/22/52.
m. Does the proposed project include an innovative stormwater
design?
?Yes ?No ®NA
If yes, attach appropriate documentation.
n. (i) Will water be impounded? ?Yes ®No ?NA
(ii) If yes, how many acres? N/A
p. If proposed development is a subdivision, will additional utilities be
installed for this upland development?
?Yes ?No ®NA
- 19 -- O
Date
Ocracoke Sanitary District - Water System Improvements
Project Name
Ben Williams
Applicant Name
Applicaie?
n ature

Form DCM MP-4
S'TRUCT'URES
(Construction within Public Trust Areas)
Attach this form to Joint Application for CAMA Major Permit, Form DCM MP-1. Be sure to complete all other sections of the Joint
Application that relate to this proposed project. Please include all supplemental information.
1. DOCKING FACILITY/MARINA CHARACTERISTICS
a. (i) Is the docking facility/marina:
?Commercial ?PubliclGovernment ?Private/Community
0This section not applicable
b. (i) Will the facility be open to the general public?
?Yes ?No
c. (i) Dock(s) and/or pier(s)
(ii) Number
(iii) Length
(iv) Width
(v) Floating ?Yes ?No
e. (i) Are Platforms included? ?Yes ?No
If yes:
(ii) Number
(iii) Length
(iv) Width
(v) Floating ?Yes ?No
Note: Roofed areas are calculated from dripline dimensions.
g. (i) Number of slips proposed
(ii) Number of slips existing
i. Check the proposed type of siting:
? Land cut and access channel
?Open water; dredging for basin and/or channel
?Open water; no dredging required
?Other; please describe:
k• Typical boat length:
m. (i) Will the facility have tie pilings?
?Yes ?No
(ii) If yes number of tie pilings?
d. (i) Are Finger Piers included? ?Yes ?No
If yes:
(ii) Number
(iii) Length
(iv) Width
(v) Floating ?Yes ?No
f. (i) Are Boatlifts included? ?Yes ?No
If yes:
(ii) Number
(iii) Length
(iv) Width
h. Check all the types of services to be provided.
? Full service, including travel lift and/or rail, repair or
maintenance service
? Dockage, fuel, and marine supplies
? Dockage ("wet slips") only, number of slips:
? Dry storage; number of boats:
? Boat ramp(s); number of boat ramps:
? Other, please describe:
j. Describe the typical boats to be served (e.g., open runabout,
charter boats, sail boats, mixed types).
1. (i) Will the facility be open to the general public?
?Yes ?No
252-803-280 <<'l-8ua? ft?rll E- F:l'iIJE" ,[i??OcSLcIF'E??[f?C}G-Ct Lll.ftGL vaFfissacf:12/27/06
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2. DOCKING FACILITY/MARINA OPERATIONS 0This section not applicable
a. Check each of the following sanitary facilities that will be included in the proposed project.
? Office Toilets
? Toilets for patrons; Number: ; Location:
? Showers
? Boatholding tank pumpout; Give type and location:
b. Describe treatment type and disposal location for all sanitary wastewater.
c. Describe the disposal of solid waste, fish offal and trash.
d. How will overboard discharge of sewage from boats be controlled?
e. (i) Give the location and number of "No Sewage Discharge" signs proposed.
(ii) Give the location and number of "Pumpout Available" signs proposed.
f. Describe the special design, if applicable, for containing industrial type pollutants, such as paint, sandblasting waste and petroleum products.
g. Where will residue from vessel maintenance be disposed of?
h. Give the number of channel markers and "No Wake" signs proposed.
i. Give the location of fuel-handling facilities, and describe the safety measures planned to protect area water quality.
j. What will be the marina policy on overnight and live-aboard dockage?
k. Describe design measures that promote boat basin flushing?
1. If this project is an expansion of an existing marina, what types of services are currently provided?
m. Is the marina/docking facility proposed within a primary or secondary nursery area?
?Yes ?No
252-868••2808 :: 1-888-4RCOA- Y :: vn_uve.iTccoastaInza[lag en-Lan t•.11at ravisc-d: L2/27/06
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n. Is the marina/docking facility proposed within or adjacent to any shellfish harvesting area?
?Yes ?No
o. Is the marina/docking facility proposed within or adjacent to coastal wetlands/marsh (CW), submerged aquatic vegetation (SAV), shell bottom
(SIB), or other wetlands (WL)? If any boxes are checked, provide the number of square feet affected.
?CW ?SAV ?SB
?WL []None
p. Is the proposed marina/docking facility located within or within close proximity to any shellfish leases? ?Yes ?No
if yes, give the name and address of the leaseholder(s), and give the proximity to the lease.
3. BOATHOUSE (including covered lifts) ®This section not applicable
a. (i) Is the boathouse structure(s):
[]Commercial ?Public/Government []Private/Community
(ii) Number
(iii) Length
(iv) Width
Note: Roofed areas are calculated from dripline dimensions.
GROIN (e.g., wood, sheetpile, etc. If a rock groin, use MP-2, Excavation and Fill.) ®This section not applicable
a. (i) Number
(ii) Length
(iii) Width
15. BREAKWATER (e.g., wood, sheetpile, etc.) ®This section not applicable
a. Length
b. Average distance from NHW, NWL, or wetlands
c. Maximum distance beyond NHW, NWL or wetlands
6. MOORING PILINGS and BUOYS ?This section not applicable
a. Is the structure(s): b. Number 3 buoys: 7 warning signs
[]Commercial HPublic/Government []Private/Community
25' °803-2II03 :: e-888-4r',( *ARV :: «RFe?F..reccazs%? lm?i Gcrc-rner C.c e4: revised: 12/2T/06,
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c. Distance to be placed beyond shoreline approx. 150', 300', &
450'
Note: This should be measured from marsh edge, if present
d. Description of buoy (color, inscription, size, anchor, etc.)
White bouys with blue and orange markings will be
anchored to 12"x18" concrete anchors at approximately
150' from the shoreline, at approx. 300' from the
shoreline, and at the end of the diffuser pipe approx.
450' from the shoreline. The bouys will be anchored
with stainless steel 1-bolts fastened to the concrete
anchors. The seven (7) warning signs will be installed
on washed in aluminum poles at 4 locations along the
pipe: 1) Two (2) signs approx. 150' from the shoreline;
Two (2) signs approx. 300 feet from the shoreline; Two
(2) signs approx. 450 feet from the shoreline; and one
(1) sign perpindicular to the shoreline at the end of the
diffuser pipe. There will be one sign of each side of
pipe at 150' intervals beginning approx. 150' from the
shoreline, and one sign at the waterward end of the
diffuser pipe.
e. Arc of the swing N/A
7. GENERAL
a. Proximity of structure(s) to adjacent riparian property lines
approx. 400' to the closest riparian property line. The next
closest riparian property line is more than 1,500' away.
b. Proximity of structure(s) to adjacent docking facilities.
500'+
Note: For buoy or mooring piling, use arc of swing including length
of vessel.
c. Width of water body d. Water depth at waterward end of structure at NLW or NWL
Diffuser pipe will be located approx. 500' into the Pamlico approximately 4' at NLW
Sound. The Pamlico Sound's width is measured in miles at
this location.
e. (i) Will navigational aids be required as a result of the project?
NYes ?No ?NA
(ii) If yes, explain what type and how they will be implemented.
Buoys and Warning signs will be installed at designated
locations along the pipe/diffuser to indicate water hazard
proximity.
18. OTHER NThis section not applicable
a. Give complete description:
252-33II 2 33 :: 1-363-41::(360:4 i :: vr«.?,P.?icGO2_sCQlmanscEer7hrlt.le raursea: 12127106,

a. Give complete description:
The Sound floor at the location of the proposed 6" diffuser pipe is composed of a soft, sandy bottom. There was no evidence of
any submerged aquatic vegetation at this location upon inspection. Water depth at this location is approximately 3'. It is
anticipated that a construction barge with a small crane will be used to attach the 100 LF diffuser to the end of the 6" HDPE
force main. The 100 LF diffuser will be a 6" PVC pipe with five (5) diffuser check vales and placed on the bottom of the Sound
and fastened to nine (9) 18"x18"x12" concrete anchors spaced approximately 11' apart along the pipe. The OSD proposes to
remove the sub-aqueous portion of the existing "failed" discharge ipie currently exposed to the bottom of the Pamlico Sound.
Date
OSD - Water System Improvments
Project Name
Ben Williams
Applicant Name
Applica ignature

Ocracoke Village, North Carolina
Ocracoke Sanitary District Reverse Osmosis Water Treatment Plant
CAMA Major Permit Application
Narrative
The Ocracoke Sanitary District (OSD) was established in the 1970's to meet the needs of the community and
provide safe, reliable potable water to an ever-growing population on Ocracoke Island through the reverse
osmosis (R/O) treatment of brackish well water. The Village of Ocracoke, which covers an area of less than
two square miles, has a year round population of approximately 750 and a seasonal population of
approximately 5,000.
The existing water treatment plant (WTP) and distribution system serves the entire developed island of
Ocracoke including National Park Service (NPS) campground and operation facilities, and NCDOT ferry
service facilities. The WTP plant site is approximately 0.62 acres located on Water Plant Rd., approximately
one-quarter mile east of the ferry docks. Within the fenced WTP site are two production wells (Well Nos. 1
and 3), two 200,000-gallon concrete ground storage tanks, and one 150,000-gallon elevated storage tank. The
existing WTP building consists of six modules, chemical feed systems for disinfection and corrosion
inhibitors, high service pumps, and the OSD's administration office. The third production well (Well No. 2) is
located off-site, near the ferry docks. Well Nos. 2 and 3 are regular use supply wells. Well No. 1 is a smaller
diameter well and is used as a back-up well to Well No. 3.
A recently completed water supply study recommend the proposed expansion. The expansion will be
consistent with existing equipment and chemical feed that has been in operation since 1977 and will include
the following:
1. Two (2) 3-Module Reverse Osmosis (RO) units (one complete and one with frame vessels only);
2. Two (2) high service pumps;
3. Upgraded pumps, controls, piping and valves for two (2) existing wells;
4. Variable frequency drives (VFD's) on all pumps;
5. Heat pump;
6. Upgrade electrical service;
7. Emergency generator (480 volt);
8. Expand existing plant building by approximately 2,000 square feet to accommodate equipment,
new administrative offices, sanitary facilities, and separate chemical storage room.
9. New effluent forcemain and diffuser pipe to replace existing "failed" discharge pipe. The OSD
proposes to remove the sub-aqueous portion of the existing "failed" discharge pipe currently
exposed on the bottom of the Pamlico Sound.
Construction of the proposed expansion project is not anticipated to cause any significant environmental,
archeological, or cultural resources impact. All construction will be confined to previously disturbed land on
which the WTP currently occupies. The District currently has an NPDES permit allowing 450,000 gpd of flow
daily (see attached NPDES Permit #N00041530). The discharge point is approximately 0.25 miles from the
WTP site. The increased treatment capacity resulting from the proposed expansion will increase the total
amount of daily discharge from the WTP. However, the increase will not cause the total discharge to exceed
the permitted limit of 450,000 gpd. Additionally, the composition of the proposed effluent increase is
allowable under the existing NPDES permit and the effluent constituents have not changed. The average
salinity in the diffuser vicinity is approximately 25 ppt. The chloride concentration in the effluent is
approximately 9.9 ppt., causing no problem for the Pamlico Sound to assimilate.
The subject project has been reviewed through the NC Clearinghouse Environmental Review Process (SCH#
06-E-000-0195). In a memorandum from NCDENR dated July 17, 2007, it was stated, "This is to advise the
information provided regarding the subject project satisfactorily resolves previously expressed concerns and
comments." According to NCDENR, the project has been found to have no significant impact to the
surrounding environment, and received a Finding of No Significant Impact (FONSI) dated February 14, 2007
(see included Review Agency Correspondence).
PAMUNI\OCRAC0KE\22084.1 Water Plant Expansion\D\CAMA Major Permit\CAMA - Major Permit\CAMA Major Permit Ocracoke -
Narrative.doc Page I of 2
The WTP site is located within the 100-year floodplain (see FEMA FIRM map located in Appendix Q. The
plant is located on some of the highest ground on the Island. There have been no known flood events in which
floodwaters have entered the existing WTP facility. Mitigation measures will be taken to ensure that the
expanded facility will not be adversely affected by the floodplain. Equipment will be placed at a sufficient
height above the designated flood elevation. The direct impacts to the existing area's floodplain are expected to
be minimal.
The following items are in the process of being obtained.
• Easement Approval from the NC Department of Administration - State Property Office for the
placement of the diffuser out into the Pamlico Sound.
P:\MLJNI\OCRACOKE\22084. ] Water Plant ExpansionUCAMA Major Permit\CAMA - Major Permit\CAMA Major Permit Ocracoke -
Narrative.doc Page 2 of 2
&AssaclatuJne.
s??ra•?a
Ocracoke Sanitary District - Water System Improvements
Project Location Map

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1327
Ocracoke Sanitary District
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