20061581 Ver 1_Public Notice_20061120

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US Army Corps UBLIC NOTICE
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Wilmington District
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Issue Date: November 8, 2006
vE~~ " ~~' ~~ c~ua~.n~r Comment Deadline: December 8, 2006
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Corps Action ID #: SAW-2003-1188-065
The Wilmington District, Corps of Engineers (Corps) has received an application from the
New Hanover County Engineering Department seeking Department of the Army
authorization to permanently impact 3.045 acres of Section 404 jurisdictional Waters of the
United States (including 1.937 acres of wetlands) and to temporarily impact 0.55 acres of
Section 404 wetlands and 0.064 acres of Section 10/Section 404 coastal wetlands to facilitate
the construction of a new Water Treatment Plant, associated well fields and outfall
(discharge) pipe. The proposed jurisdictional impacts are to Waters of the United States,
including wetlands, that are adjacent to or hydrologically connected to unnamed
tributaries to Smith Creek, a tributary to the Northeast Cape Fear River, a Navigable
Water of the United States; Pages Creek, a tributary to the Atlantic Intracoastal Waterway
(ICW), also a Navigable Water of the United States; and the ICW itself. The proposed
project is located throughout the northeastern section of New Hanover County, including
the Greenview Ranches area, Ogden Park, Old Oak, Edgewater Club and Porters Neck
Roads, and Market Street, northeast of the City of Wilmington in New Hanover County,
North Carolina.
Specific plans and location information are described below and shown on the attached plans.
This Public Notice and all attached plans are also available on the Wilmington District Web Site
at www.saw.usace.army,mil/wetlands
Applicant: New Hanover County Engineering Department
Attn: Mr. Gregory Thompson
230 Market Place Drive, Suite 16
Wilmington, North Carolina 28403
Agent (if applicable):
Authority
Land Management Group, Inc.
Attn: Ms. Kim Williams
Post Office Box 2522
Wilmington, North Carolina 28402
The Corps will evaluate this application and a decide whether to issue, conditionally issue, or
deny the proposed work pursuant to applicable procedures of Section 404 of the Clean Water Act
(33 USC 1344) and Section 10 of the Rivers and Harbors Act of 1899 (33 USC 403).

Location
The project area is located in the northern part of New Hanover County, North Carolina. The 88
square mile service area encompasses the northern half of New Hanover County with the
exception of the US Highway 421 corridor between the Cape Fear and Northeast Cape Fear
Rivers. The project area is bounded by Pender County to the north, the City of Wilmington to
the south, the Northeast Cape Fear River to the west, and the Atlantic Ocean to the east. The
project is comprised of multiple components that include a proposed Water Treatment Plant,
fifteen well fields, utility line corridor, and outfall.
Water Treatment Plant: The proposed project area for the Water Treatment Plant is an
approximately 45 acre tract located at 7601 Old Oak Road at the northern end of the Westbay
Estates residential development. Jurisdictional waters on the tract include 6 wetland pockets and
linear Waters of the United States. Site coordinates are 34.2876N, -77.8186W.
Well Field Sites: Of the 15 well sites, two are located within the Water Treatment Plant (WTP)
tract. Site coordinates are 34.2879N, -77.8166W and 34.2876N, -77.8206W. One is located
along the east side of Old Oak Road (7526 Old Oak Road), immediately across from Hixon
Place, which contains a linear Waters of the U.S. Site coordinates are 34.2857N, -77.8176W.
Eight wells are located within the Greenview Ranches area, north and northeast of the WTP site.
All but two of these eight sites consist entirely of jurisdictional wetlands. Site coordinates are
34.3054N, -77.8024W; 34.2997N, -8019W; 34.3022N, -77.8078W; 34.3025N, -77.8131W;
34.2997N, -77.8132W; 34.2962N, -77.8130W; 34.2905N, -77.8181N; 34.2953N, -77-8181W.
The remaining four well sites are located within Ogden Park, west of US Highway 17 (Market
Street) and also contain jurisdictional wetlands. Site coordinates are 34.2733N, -77.8353W;
34.2692N, -77.8313W; 34.2712N, -77.8269W; 34.2752N, -77.8300W.
Utility Line Corridor: The utility line corridor, also referred to as the Route of Concentrate
Main, is would begin at the proposed WTP, extend along the rights-of--way of US Highway 17
(Market Street), Porters Neck Road, Edgewater Club Road, Final Landing Lane, and Bridge
Road. This corridor is predominantly upland areas; however, the line would cross three
jurisdictional areas (one unnamed tributary to Pages Creek, a tributary to the Atlantic Intracoastal
Waterway, a navigable Water of the United States and two wetland areas adjacent to unnamed
tributaries to Pages Creek). Site coordinates are 34.2855N, -77.7727W; 34.2941N, -77.7808W,
and 34.2977N, -77.7857W respectively.
Outfall Location: The proposed outfall site is located on the south side of the Figure Eight
Bridge, off Bridge Road, adjacent to and within the Atlantic Intracoastal Waterway. Site
coordinates are 34.2751N, -77.7616W.
Existing Site Conditions
Water Treatment Plant: This site is predominantly undeveloped land. Historically, this property
most likely supported a wet pine flat (wetland) community type; however, in the late 1990's,
Tulloch ditches, those that could be constructed without Department of Army authorization, were
excavated throughout the property and subsequently removed the hydrology of the most of the
wetlands. Only a few jurisdictional wetland pockets remain on the tract and the existing ditches
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have been classified as Waters of the United States. This area is within the headwaters of Smith
Creek, a tributary to the Northeast Cape Fear River, and ultimately the Cape Fear River, all
Navigable Waters of the United States.
Vegetation within the site has been mowed recently and consists mainly of fetterbush (Lyonicia
lucida), sweet pepperbush (Clethra alnifolia), and cinnamon fern (Osmundia cinnamonea) in the
herbaceous layer, with a few scattered loblolly pine (Pinus taeda) trees in the canopy.
According to the United States Department of Agriculture Soil Survey of New Hanover County
(April 1977), the site is underlain by Johnston loam, Murville fine sand, and Seagate fine sand
soil types. These soils have all been classified as hydric soils for New Hanover County.
A dirt path, approximately 20 feet wide, runs east-west across the site. Two water wells have
already been installed within the tract.
The property is located within the jurisdiction of New Hanover County and is zoned for single-
family residential (R-15) and is classified as a Wetland Resource Protection Area by the New
Hanover County Land Use Plan.
Land use to the west, south and east is currently residential and consists of the Westbay Estates,
Courtney Pines and Greenview Ranches residential communities. To the north is the
undeveloped, forested section of the Greenview Ranches area.
Well Field Sites: Two well sites are located within the Water Treatment Plant site; see above for
details. One is located on a 1.06 acre parcel just south of the Water Treatment Plant site, within
the Westbay Estates subdivision. Vegetation of this site is routinely mowed. Soils are mapped
as Seagate fine sand. The only jurisdictional feature on the site is a Tulloch ditch along the road
frontage.
The next eight well sites are located throughout the undeveloped, forested Greenview Ranches
area to the north and northeast of the Water Treatment Plant site. These tracts are each
approximately five acres in size. Soil roads, most with limited or no maintenance, were
constructed many years ago to provide some access to the area. Plantation Road runs from
Murrayville Road to the west and terminates approximate 0.3 miles west of US Highway 17
(Market Street). This soil road is approximately 22 feet wide and has parallel drainage ditches
on both road shoulders for the majority of the road length. Several smaller soil roads run north-
south through the area; however, these are predominantly not maintained and not passable with
most vehicular traffic. Ditches also parallel most of these roads. The vegetation of these parcels
consists of pond pine (Pinus serotina), gallberry (Ilex glabra), loblolly bay (Gordonia
lasianthus), titi (Cyrilla racemiflora), and fetterbush (Lyonia lucida). Soils in this area are
mapped as Murville and Leon fine sands. Most of these parcels consist entirely of palustrine
wetlands; however, two of the eight tracts contain some upland areas. The surrounding land use
is residential to the south and east, scattered agricultural (horse farms), and undeveloped,
forested to the west and north.
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The remaining four well sites are located within Ogden Park, a New Hanover County public
recreational facility. This total parcel is 160 acres, located west of Market Street and north of
Gordon Road. In 1993, the County obtained a Nationwide Permit 26 for impacts to 5.71 acres of
wetlands for the purpose of constructing the park facilities and infrastructure. The park facilities
consist of baseball and soccer fields, tennis courts, playgrounds, rest rooms, picnic areas, trails,
pet exercise area, stormwater ponds, roads, and parking. The tract is bisected by a Carolina
Power & Light (CP&L) Company utility line easement, running from the northwest to southeast.
The remaining wetlands are forested, except those areas within the powerline easement which
are routinely mowed for access and maintenance. Vegetation of the wetlands consists of pond
pine (Pinus serotina), loblolly pine (Pinus taeda), loblolly bay (Gordonia lasianthus), gallberry
(Ilex glabra), and wax myrtle (Myrica cerifera). The upland vegetation consists of loblolly pine
(Pinus taeda), gallberry (Ilex glabra), sweet gum (Liquidambar styraciflua), and red bay (Persea
borbonia). These soils of the wetlands are mapped as Murville fine sand, while the uplands are
mapped as Leon fine sand. The surrounding land use is residential.
All well sites are located within areas that are classified as a Wetland Resource Protection Area
by the New Hanover County Land Use Plan.
Utility Line Corridor/Route of Concentrate Main: This proposed route is within the rights-of-
way of Market Street, Porters Neck Road, Edgewater Club Road and Bridge Road, which are
periodically mowed, maintained areas. The route would only cross three jurisdictional areas.
Mapped soils vary along the corridor as well as portions contain existing road fill. The
surrounding land use is predominantly commercial along Market Street and residential from
Porters Neck Road to the Figure Eight Bridge.
Outfall Location: The project proposes to discharge the concentrate into the Atlantic Intracoastal
Waterway (ICW), at the mainside of the Waterway, immediately south of the Figure Eight
Bridge. The ICW in this area is classified as SA, which refers to waters that are suitable for
commercial shellfishing and other tidal saltwater uses. This area of the ICW has also received a
supplemental classification of Outstanding Resource Waters (ORW), which are unique or special
waters of exceptional state or national recreational or ecological significance which require
special protection to maintain existing uses. The average tidal range in the ICW near the Figure
Eight Bridge is 3.58 feet. The mean depth at the proposed discharge location is approximately
12 at low tide. Freshwater and coastal wetlands exist adjacent to the ICW and an Estuarine Area
of Concern (AEC) is located 575 feet landward of mean high water. Wetland vegetation consists
of Atlantic white cedar (Chamaecyparis thyoides), grounsel (Baccharis halimifolia), big-leaf
sumpweed (Iva frutescens), wax myrtle (Myrica cerifera), saltmeadow cordgrass (Spartina
patens), and saltmarsh cordgrass (Spartina alternaflora). According to the New Hanover County
Soil Survey, upland soils are mapped as Wakulla sand and wetland soils are identified as Tidal
Marsh. The portion of the ICW in the proposed discharge area is presently open for shellfishing.
The adjacent land use is residential with a nearby existing boat ramp and pier.
Applicant's Stated Purpose
The purpose of the project is to provide drinking water to residents of northern New Hanover
County.
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Project Description
The applicant has proposed to construct a new six million gallon per day (MGD) groundwater
treatment plant (WTP) and well field system in the northern part of New Hanover County.
Fifteen well sites (two wells at each location for total of 30 wells) would be used to draw water
from the Pee Dee and Castle Hayne aquifers. They are proposing two parallel raw water
transmission mains which would transmit raw water from the wells to the WTP. One main
would carry water from the Pee Dee aquifer while the other would transport the Castle Hayne
aquifer water. Since the proposed process of treating raw water to drinking water (Membrane
Technology) generates a backwash wastewater, the County is also applying for a National
Pollutant Discharge Elimination System (NPDES) permit to discharge up to two MGD of treated
membrane concentrate (wastewater) info the Atlantic Intracoastal Waterway. The proposed
project would permanently impact 1.937 acres of Section 404 wetlands and 1.108 acres of
Waters of the United States (Tulloch ditches) associated with the construction of the WTP and
development of the well field sites. In addition, the project would temporarily impact 0.55 acres
ofnon-riparian wetlands, 0.064 of coastal wetlands, and 0.18 acres of Section 10/Section 404
open waters for the purpose of installing the concentrate main utility line and the outfall
structure.
The applicant has also submitted an Alternatives Analysis. This information has been included
with this Public Notice. A State Environmental Policy Act (SEPA) Environmental Assessment
(EA) for this project was submitted to the North Carolina Department of Environment and
Natural Resources (NCDENR), Division of Environmental Health, which has issued a Finding of
No Significant Impact (FONSI). A copy of this EA is available for viewing at the U.S. Army
Corps of Engineers Wilmington Regulatory Field Office, 69 Darlington Avenue, Wilmington,
North Carolina.
The applicant has also submitted a mitigation proposal with their application that includes the
recordation of restrictive covenants on the remaining wetlands at each of the well sites,
approximately 25 acres ofnon-riparian wetlands. They also propose to restore 3.045 acres of
non-riparian wetlands within the WTP site.
Other Required Authorizations
This notice and all applicable application materials are being forwarded to the appropriate State
agencies for review. The Corps will generally not make a final permit decision until the North
Carolina Division of Water Quality (NCDWQ) issues, denies, or waives State certification
required by Section 401 of the Clean Water Act (PL 92-500). The receipt of the application and
this public notice combined with the appropriate application fee at the North Carolina Division
of Water Quality central office in Raleigh will constitute initial receipt of an application for a
401 Water Quality Certification. A waiver will be deemed to occur if the NCDWQ fails to act
on this request for certification within sixty days of the date of the receipt of this notice in the
NCDWQ Central Office. Additional information regarding the Clean Water Act certification
maybe reviewed at the NCDWQ Central Office, 401 Oversight and Express Permits Unit, 2321
Crabtree Boulevard, Raleigh, North Carolina 27604-2260. All persons desiring to make
comments regarding the application for certification under Section 401 of the Clean Water Act
should do so in writing delivered to the North Carolina Division of Water Quality (NCDWQ),
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1650 Mail Service Center, Raleigh, North Carolina 27699-1650 Attention: Ms Cyndi Karoly by
November 24, 2006.
Coastal Area Management Act
The applicant has certified that the proposed work complies with and will be conducted in a
manner that is consistent with the approved North Carolina Coastal Zone Management Program.
Pursuant to 33 CFR 325.2 (b)(2} the Corps is, by this notice, forwarding this certification to the
North Carolina Division of Coastal Management (NCDCM) and requesting its concurrence or
objection. Generally, the Corps will not issue a Department of the Army (DA) permit until the
NCDCM notifies the Corps that it concurs with the applicant's consistency certification.
Essential Fish Habitat
This notice initiates the Essential Fish Habitat (EFH) consultation requirements of the
Magnuson-Stevens Fishery Conservation and Management Act. The Corps' initial
determination is that the proposed project will not adversely impact EFH or associated fisheries
managed by the South Atlantic or Mid Atlantic Fishery Management Councils or the National
Marine Fisheries Service.
Cultural Resources
The Corps has consulted the latest published version of the National Register of Historic Places
and is not aware that any registered properties, or properties listed as being eligible for inclusion
therein are located within the project area or will be affected by the proposed work. Presently,
unknown archeological, scientific, prehistoric, or historical data may be located within the
project area and/or could be affected by the proposed work.
Endangered Species
The Corps has reviewed the project area, examined all information provided by the applicant and
consulted the latest North Carolina Natural Heritage Database. Based on available information,
the Corps has determined pursuant to the Endangered Species Act of 1973 (ESA), that the
proposed project may affect federally listed endangered or threatened species or their formally
designated critical habitat. This includes the endangered red-cockaded woodpecker (Picoides
borealis) and rough-leaved loosestrife (Lysimachia asperulaefolia). In addition, this project may
also affect the Venus flytrap (Dionaea muscipula)], a Federal Species of Concern. Consultation
under Section 7 of the ESA will be initiated and no permit will be issued until the consultation
process is complete.
Evaluation
The decision whether to issue a permit will be based on an evaluation of the probable impacts,
including cumulative impacts, of the proposed activity on the public interest. That decision will
reflect the national concern for both protection and utilization of important resources. The
benefit which reasonably may be expected to accrue from the proposal must be balanced against
its reasonably foreseeable detriments. All factors which may be relevant to the proposal will be
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considered including the cumulative effects thereof; among those are conservation, economics,
aesthetics, general environmental concerns, wetlands, historic properties, fish and wildlife
values, flood hazards, flood plain values (in accordance with Executive Order 11988), land use,
navigation, shoreline erosion and accretion, recreation, water supply and conservation, water
quality, energy needs, safety, food and fiber production, mineral needs, considerations of
property ownership, and, in general, the needs and welfare of the people. For activities involving
the discharge of dredged or fill materials in waters of the United States, the evaluation of the
impact of the activity on the public interest will include application of the Environmental
Protection Agency's 404(b)(1) guidelines.
Commenting Information
The Corps of Engineers is soliciting comments from the public; Federal, State and local agencies
and officials, including any consolidate State Viewpoint or written position of the Governor;
Indian Tribes and other interested parties in order to consider and evaluate the impacts of this
proposed activity. Any comments received will be considered by the Corps of Engineers to
determine whether to issue, modify, condition or deny a permit for this proposal. To make this
decision, comments are used to assess impacts on endangered species, historic properties, water
quality, general environmental effects and the other public interest factors listed above.
Comments are used in the preparation of an Environmental Assessment (EA) and/or an
Environmental Impact Statement (EIS) pursuant to the National Environmental Policy Act
(NEPA). Comments are also used to determine the need for a public hearing and to determine
the overall public interest of the proposed activity.
Any person may request, in writing, within the comment period specified in this notice, that a
public hearing be held to consider the application. Requests for public hearings shall state, with
particularity, the reasons for holding a public hearing. Requests for a public hearing shall be
granted, unless the District Engineer determines that the issues raised are insubstantial or there is
otherwise no valid interest to be served by a hearing.
Written comments pertinent to the proposed work, as outlined above, will be received by the
Corps of Engineers, Wilmington District, until Spm, December 8, 2006. Comments should be
submitted to Jennifer S. Frye, Post Office Box 1890, Wilmington, North Carolina, 28402-1890,at
[phone].
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List of Wetland and Waters of the U.S. Impacts
Permanent Area
404 Wetland
Im act Area
Square Feet
Acres Location
1 574 0.013 Well Field
2 1461 0.034 Well Field
3 825 0.019 Well Field
4 109 0.003 Well Field
5 3910 0.090 Well Field
6 11911 0.273 Well Field
7 377 0.009 Well Field
8 264 0.006 Well Field
9 9831 0.226 Well Field
10 207 0.005 Well Field
11 12227 0.281 Well Field
12 10485 0.241 Well Field
13 18952 0.435 Well Field
14 11091 0.255 - Well Field
15 1492 0.034 Well Field
16 359 0.008 Well Field
17 245 0.005 WTP
Total 84320 1.937
Permanent Area
Waters of the U.S.
Im act Area Square Feet Acres Location
1 1324 0.030 Well Field
2 483 0.011 Well Field
3 621 0.014 Well Field
4 5861 0.135 Well Field
5 562 0.013 Well Field
6 529 0.012 Well Field
7 221 0.005 Well Field
8 188 0.004 Well Field
9 575 0.013 Well Field
10 41 0.001 Well Field
11 3620 0.083 Well Field
12 728 0.017 Well Field
13 692 0.016 Well Field
14 784 0.018 Well Field ,
15 549 0.013 Well Field
16 1890 0.043 WTP
17 439 0.010 WTp
18 29199 0.67 WTP
Total 48306 1.108

List of Wetland and Waters of the U.S. Impacts Contd.
Temporary Area
404 Wetland
Im act Area
Square Feet
Acres Location
1 1699 0.039 Concentrate
2 695 0.016 Concentrate
3 24 0.001 Concentrate
4 754 0.0.17 O den Park
5 20761 0.477 Outfall
Total 23933 0.55
Temporary Area
Coastal Wetland
Im act Area
Square Feet
Acres Location
1 2807 0.064 Outfall
Total 2807 0.064

PROJECT NARRATIVE
July 2006; revised September 2006
New Hanover County Well Field and Water Treatment Plant
New Hanover County, NC
1.0 INTRODUCTION
New Hanover County (County) proposes to improve its existing water supply and treatment for
the northeast part of the County. This project includes additional treatment to improve finished water
quality and better management of groundwater supplies through better spacing of wells and balancing
water supplies from the Pee Dee aquifer and the Castle Hayne aquifer. 'The County is proposing to
construct a new six million-gallon-per-day (mgd) groundwater treatment plant (WTP) and well field
system in the northern part of the County. Fifteen well sites (two wells at each location for a total of 30
wells} will be used to tap into the Pee Dee and Castle Hayne aquifers. Two parallel raw water
transn'~lSS;Ci2 mans :'Vlll transmit raw :eater from the ~xTell sites tC the WTP. One main Wi1_l transmit
water pumped from the Castle Hayne aquifer, while the other main will transmit water pumped from
the Castle Hayne aquifer. The County is also applying for a National Pollutant Discharge Elimination
System (NPDES) permit to discharge up to two mgd of membrane concentrate into the Atlantic
Intracoastal Waterway (AIWW) at the Figure Eight Bridge. Please note that an Environmental
Assessment for this project was prepared by Arcadis G&M of North Carolina, Inc. and submitted to
NCDENR; Division of Environmental Health. A Finding of No Significant Impact (FONSI) was
issued. Much of the information provided in this narrative was taken from the EA.
2.0 EXISTING CONDITIONS
The project area is located in the northern part of New Hanover County, NC (Sheet 1). 'The 88
square-mile service area encompasses the northern half of New Hanover County with the exception of
the US 421 corridor between the Cape Fear and Northeast Cape Fear Rivers (Sheet 2). The project area
is bounded by Pender County to the north, the City of Wilmington to the south, the Northeast Cape
Fear River to the east, and the Atlantic Ocean to the west. Below is a description of each project area
(WTP, well field, corridor, and outfall location). Please see Section 4 of the Environmental Assessment
for additional details.

Water Treatment Plant
The proposed Water Treatment Plant (WTP) is 44 acres in size and is located off of Old Oak
Road in the Ogden area of New Hanover County (Sheet 3). According to the New Hanover County
Generalized Soil Survey, the site consists of Johnston loam, Murville fine sand, and Seagate fine sand
soil types (Sheet 4). Historically, this site most likely supported a wet pine flatwood community type.
However, the area has been significantly altered through time. Several ditches were placed within and
around the tract many years ago to drain the site. Only a few wetland pockets now exist within the tract
and the ditches have been classified as Waters of the U.S. Ms. Jennifer Frye of the U.S. Army Corps of
Engineers signed the wetland survey for this site on March 10, 2006 (Sheet 5). Vegetation within the
site has been mowed and consists mostly of fetterbush (Lyonia lucida), sweet. pepperbush (Clethra
alnifolia), and cinnamon fern (Osmunda cinnamomea) in the herbaceous layer, with a few scattered
loblolly pine. (Pinus taeda) trees in the canopy. A dirt path approximately 20'-wide runs east-west
across the site. Two wells have already been installed within the tract; one located in the .southeast
corner near Old Oak Road (Well A) and one located in the northwest corner (Well B) of the site.
Surrounding land use is residential or undeveloped. The property is located within the New Hanover
County jurisdiction. The property is currently zoned for single-family residential (R-15) and is
classified as a Wetland Resource Protection Area by the New Hanover County Land Use Plan. All
properties adjacent to the site are currently zoned for single-family residential (R-15). A threatened and
endangered species evaluation was performed for this site in December of 2004. No federally-
protected species were observed. Please see Appendix E of the EA for the complete report.
Well Field Sites
Fifteen well sites are proposed for the well field (Sheet 6). Two of these are existing well sites
at the WTP tract. One well site is located across the road from the WTP. Ten well sites are proposed
within Greenview Ranches and four well sites are proposed within the Ogden Park tract. Eight lots
within the Greenview Ranches area have been purchased by the County. These undeveloped, forested
lots are each approximately five acres in size. Dirt roads were installed many years ago to provide
limited access to the area. Plantation Road runs east west between Murrayville Road and terminates
just before reaching Market Street. This road is approximately 22' wide and has ditches running
parallel to it for a majority of its length. Several smaller dirt roads run north-south through the area.
These roads have not been maintained as well as Plantation Road and large potholes (some of which
have naturalized back to wetlands) exist throughout them. Ditches (Waters of the U.S.} run parallel to
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most of these roads. According to the New Hanover County Generalized Soil Survey, these lots consist
of Leon fine sand. (Sheet 4). Most all of these lots consist entirely of 404 wetlands, however upland
areas were found on lots K and L. Furthermore, old ditches that were dug parallel to the existing dirt
roads have a minor drainage effect on the lot located furthest north (J}. Surrounding land use is
residential, agricultural (horse farms), or undeveloped. Vegetation within these lots consists of pond
pine (Pinus serotina), gallberry (Ilex glabra), loblolly bay (Gordonia lasianthus), titi (Cyrilla
racem~ora), .and fetterbush (Lyonia lucida). These sites are classified as a Wetland Resource
Protection Area by the New Hanover County Land Use Plan.
Four additional well sites are proposed within the Ogden Park tract. This tract is 160 acres in
size and is located off of Market Street (Sheet 7). The County received a Nationwide Permit 26 in 1993
to fill 5.71 acres of wetlands for park facilities. This acreage plus the natural uplands have been
developed into a park that contains baseball fields, soccer fields, tennis courts, playgrounds, rest
rooms, a picnic area, a trail, a pet exercise area, and parking (Sheet 8). The wetlands are forested and
support Norville fine sand soils (Sheet 9). The uplands. support Leon fine sand soils. The wetland
survey for these areas is included in this permit application for final Corps approval. This site is
classified as a Wetland Resource Protection Area by the New Hanover County Land Use Plan.
Route of Concentrate Main
The proposed route of the concentrate main will lead from the WTP, along the right of way of
Market Street and then turn right onto the right of way of Porters Neck Road (Sheet 1). The line will
then turn right onto Edgewater Club Road and follow this road to the Atlantic Intracoastal Waterway at
the Figure Eight Bridge.
Outfall Location
The project proposes to discharge up to two mgd of membrane concentrate into the Atlantic
Intracoastal Waterway (AIWW), on the south side of the Figure Eight Bridge (Sheet 10). The AIWW
in this area is classified as SA and Outstanding Resource Water. The SA classification indicates salt
waters used for market shellfishing. The ORW classification is for unique and special surface waters
that are of exceptional state or national recreational or ecological significance and have exceptional
water quality. The average tide range in the AIWW near the Figure Eight Island Bridge is 3.58 feet.
The mean water depth at the proposed discharge location is approximately 12 feet at low tide.
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Freshwater and coastal wetlands have been delineated adjacent to the AIWW and an estuarine Area of
Environmental Concern is located 575' landward of mean high water. The portion of the AIWW in
which the discharge is proposed is an area that is presently open for shellfishing. The adjacent land use
is residential and a boat ramp and pier exist in this vicinity for water access. According to the New
Hanover County Soil Survey, upland soils consist of Wakulla and wetland soils are Tidal Marsh muck
(Sheet 11). Please see the attached NPDES permit application for additional tide data from this area
and a mixing zone analysis (Appendix B).
3.0 PROJECT NEED
Please see Section 2 of the Environmental Assessment for a detailed description of the need for
the project.
4.0 ALTERNATIVES ANALYSIS
Section 3 of the Environmental Assessment describes a no-action alternative, the purchase of
raw water from several other sources, and aCounty-owned surface water treatment. plant. At the time
that the EA was prepared, the exact location of the well fieids had not yet been determined and an
alternatives analysis for the specific placement of the wells could not be given. This section of the
project narrative describes the factors that dictated the proposed placement of the well fields within
New Hanover County.
Selection of Well Field Sites
The mid-section of New Hanover County was selected as a potential water supply
because of aquifer recharge characteristics determined in groundwater evaluations performed
by BPA Environmental and Engineering, Inc. in 1995 and by Edwin Andrews & Associates,
P.C. in 1996. It is preferable that the wells be placed in an undeveloped area to prevent
groundwater contamination. The Greenview Ranches area is located in the target area and is
largely undeveloped. However, the majority of the Greenview Ranches area consists of
wetlands except for existing dirt roads. To minimize potential impacts, the area was examined
to identify lots that contained uplands. The County attempted to purchase lots with uplands, but
acquisition was largely dictated by those owners who were willing to sell. Mr. Phil Triece, a
Local real estate consultant, contacted many landowners to determine who was willing to sell
their properly.
4

The proposed location of the wells has been centralized as much as possible to reduce
necessary roadway improvements between- well sites. 9nly those lots located directly off of
three existing roads were purchased. However, the 2001- Concept Design Report indicated that
the wells should be spaced between 800 and 1600 feet apart to ensure an even withdrawal of
the aquifers.
5.0 PROPOSED PROJECT
Please see Section 1 of the Environmental Assessment (Proposed Project Description) for a
detailed description of the proposed project.
Water Treatment Plant
The proposed WTP will be located in the northwestern portion of the property off of Old Oak
Road (Sheet 12). The northern portion of the WTP site is reserved for wetlands mitigation to offset
impacts from the WTP site, well sites, and other offsite construction activities. The southern portion of
the parcel as weli as the remaining northern portion of the propert-y is reserved for fu~ure County uses.
The proposed access road will connect with Old Oak Road opposite of Rochelle Road. The
main plant entrance and exit will be located along the southern property boundary. It will be equipped
with an electric slide gate. All roadways will be asphalt pavement roads. Most roads will be 24-feet
wide with the exception of the chemical unloading area, which will have a 12-ft wide road. The
visitors parking area will be located adjacent to the Administration Building and will include
handicapped spaces for staff and visitors. Parking for WTP staff will be located behind the WTP
building. Parking is also proposed for plant operators and maintenance staff near the Chemical Storage
Area.
The primary treatment process for the WTP will be nanofiltration for softening total organic
carbon (TOC) removal and color removal. Separate membrane filtration units will be provided for the
two source waters to alleviate the potential for membrane fouling from biological growth or saturated
salts. Treatment processes will include cartridge filtration and nanofiltration in series. Following
nanofiltration, permeate from both the Pee Dee and Castle Hayne treatment trains will be blended and
conveyed to packed tower aerators for removal of carbon dioxide, hydrogen sulfide, and oxidation of
any remaining iron in the permeate. Sodium hypochlorite, sodium hydroxide, and corrosion inhibitor
5

will be added and then the fmished water will be stored in two 1.0-million gallon clearwells prior to
pumping to the distribution system.
Two 1-million gallon (MG) circular, pre-stressed concrete tanks will be provided for finished
water storage. The proposed tanks will be 100-feet diameter with 17-ft side water depth. Each tank
will include curtain-type .baffle constructed of Hypalon and stainless steel. hardware. Influent
connection will be 24-inch diameter and effluent connection will be 30-inch diameter. A tank overflow
and drain will be piped to an onsite stormwater detention pond. Level will be recorded and reported to
SCADA by an ultrasonic level indicator and transmitter.
Well Field Sites
Fifteen well sites are proposed within the northern part of New Hanover County (Sheet 6). Both
the Castle Hayne and Pee Dee aquifers will be tapped at each well site. Therefore, the 6-mgd WTP will
have a total of 30 wells. Two of the well sites (Wells A & B) will be located within the WTP tract. One
well site (Well Q) will be located across the road from the WTP. Four well sites (Wells M, N, O, & P)
will be located within the Ogden Park Tract. The remaining eight well sites (Wells C, F, G, H, I, J, K,
~ L) will be located along Plantation Road and two roads located pe~endicular to Pla,-~taticn Road.
Wells must be placed at least 100 feet from any property line, but will be installed as close to the roads
as possible to reduce wetland impacts from the proposed driveway. The width of roadway
improvements will be minimal; only a 12' wide gravel road is proposed with 2' shoulders (Appendix
C; C10). This will minimize wetland impacts from the road and reduce access by trespassers.
Route of Water Main
Two parallel raw water transmission mains will be constructed to convey raw water from the
well sites to the WTP. One main will convey water pumped from the Castle Hayne aquifer, and the
other main will transmit water pumped from the Pee Dee aquifer. Raw water from each aquifer is
conveyed to the WTP separately to avoid potential biological fouling. Each raw water transmission
main will consist of approximately 17,000 feet (3.2 miles) of line ranging in size from 6-inch to 30-
inch, for a total of 34,000 feet (6.6 miles) of main. Both raw water transmission lines will be located
mainly within the right-of--way of existing unimproved roads in the well field.
6

Outfall Location
The project includes installation of approximately 27,000 feet (5.1 miles) of 16-inch membrane
concentrate discharge line. This discharge line will be routed from the WTP site south to US 17, run
northeast along US 17; east on Porters Neck Road, and southeast along Edgewater Club Road toward
the bridge to Figure Eight Island.
The proposed discharge location is at the Figure Eight Island Bridge at Bridge Road (Sheets 13
& 14). The County is proposing to discharge up to 2 mgd of membrane concentrate to the AIWW. The
proposed discharge. would include amulti-port diffuser outfall located along the bottom of the AIWW.
The diffuser would be within the bridge easement of the USACE's AIWW right-of--way. During the
NCSEPA process, the planned design for the effluent outfall structure was to suspend the pipeline
under the bridge structure and the. have the pipeline rune vertically down the last set of pilings west of
the bridge fender system. Consultation with the bridge designers resulted in several logistical problems
with attaching the effluent pipeline to the bridge. The issues were as follows:
1. Penetration of the concrete bridge abutment with the pipeline. .
2. Uncertainties with attaching suspension elements to an aging concrete girder structure.
3. Foreseeable future maintenance of the bridge that might cause disruption in the use of the
outflow pipeline within the next decade.
For these reasons it was determined that the best course of action was to make the pipeline a
stand-alone structure. The pipeline will be placed underground, utilizing trench and fill construction
methods, out to approximately the -10.0 ft mean low water contour, the extend 55' along the seabed to
the diffuser structure. The pipeline will be secured by a series of pre-cast 4'x4'xl' concrete collars.
The end of the structure will be approximately 60' west of the western bridge fender.
During initial construction, it will be necessary to temporarily excavate 225-ft long, by 4-ft
deep, by 4-ft wide trench with 3:1 side slopes. The trenching operations will result in the excavation of
550 cubic yards of sandy material and the temporary disturbance of a marine area 35-ft wide by 225
long. The area of temporary disturbance includes the area to be utilized for temporary stockpiling of
material. The trench will be dug utilizing a small barge and excavator/dragline. Material will be
excavated and temporarily placed on the seabed next to the trench. After the pipeline is installed,
material excavated from the trench will be returned to the trench, burying the effluent line. Final grades
will be within +/- 1 ft of pre-construction conditions. The mean water depth at the proposed discharge
location is approximately 12 feet at low tide.
7

6.0 POTENTIAL ENVIRONMENTAL IMPACTS
Direct Impacts
The proposed project would permanently impact 1.937 acres of 404 wetlands and. 1.108 acres
of Waters of the U.S. (Appendix C). In addition, 0.55 acre of 404 wetlands, 0.064 acre of coastal
wetlands, and 0.18 acre of open water will be temporarily impacted through the open cut installation of
the pipe along two places at Porters Neck Road and at the outfall location adjacent to the Figure Eight
Bridge. Excavated material along the concentrate line corridor will be placed in adjacent uplands and
the area will be returned to grade and seeded once the pipe has been installed: Excavated material
below MHW will be temporarily placed on the seabed next to the trench. After the pipeline is installed,
material excavated from the trench will be returned to the trench, burying the effluent line. Final grades
will be within +/- 1 ft ofpre-construction conditions.
This discharge location would be directly adjacent to an open shellfish area, but the effluent is
not expected to affect the shellfish. Additionally, this discharge location is not expected to have any
navigation issues since the mean water depth at the proposed discharge location is approximately 12
feet at low tide at the diffuser will'ue located adjacent to a bridge fender.
Secondary/Cumulative Impacts to Region
Secondary impacts to wetlands and water quality could occur during and after construction of
the project through erosion and stormwater runoff. These potential impacts will be minimized by the
development and implementation of a Stormwater Plan and a Sedimentation and Erosion Control Plan.
These plans will reduce the potential for erosion or runoff into wetlands and other water bodies located
off site.
The report that accompanies the NPDES permit application evaluates the potential effect that
the proposed discharge from the WTP could have on the salinity of the AIWW and the surrounding
salt marsh in the vicinity of the outfall location. This report found that because of the rapid dilution and
persistent tidal flows in the outfall area, the diffuser will have minimal influence upon the surrounding
salinity regime. Therefore, no negative impacts to water quality from the concentrate are anticipated.
It is important to note that the project does not intend to stimulate growth in Greenview
Ranches, which could create secondary wetland impacts in the region. In fact, it is to the benefit of this
project if development in the Greenview Ranches area is managed in order to protect water quality.
The County is currently preparing an ordinance that would manage growth in the well site area.
8

Furthermore, this project will not provide utilities to the Crreenview Ranches area. The water being
withdrawn from. these proposed wells will be raw. The project will not supply potable water to the
area. In addition, most of the Lots in this area will not perk and sewer is not available to this part of the
County. Therefore, additional growth within the area will- not be stimulated by this project.
7.0 MITIGATION
The applicant has attempted to avoid and minimize environmental impacts as much as possible.
Wells will be placed in uplands when possible and will be located as close to the roads as permissible
(at least 100' from any property line) to reduce wetland impacts associated with the driveways. The
width of access roads will be minimal (12') to further reduce impacts (Appendix C; Sheet C10).
No permanent wetland impacts will occur from the installation of the water main. The County
will cross wetlands by open cut or by directional drill along Porters Neck Road and Edgewater Club
Road (Appendix C; Sheets C5, C6, & C10). After the pipeline is installed, material excavated from the
trench will be returned to the trench, burying the effluent line. Final grades will be within +/- 1 ft of
pre-construction conditions.
To mitigate for the 3.045 acres of proposed permanent impacts to 404 wetlands and Waters of
the U.S., restrictive covenants will be recorded on all remaining wetlands within the well field lots to
prohibit any wetland fill beyond what is being requested here. This will protect approximately 25 acres
of wetlands. Finally, the applicant plans to restore at least 3.045 acres of freshwater wetlands within
the WTP tract off of Old Oak Road (Sheet 12). The applicant is in the process of developing a
complete mitigation plan for the proposed restoration.
9

LIST OF SHEETS
Sheet 1 Vicinity map of project area
Sheet 2 Service area for project
Sheet 3 Topographic map of WTP and Well Fields
Sheet 4 SCS Soils Map for WTP and Well Fields
Sheet 5 Wetland Survey for WTP
Sheet 6 Aerial photograph of Well Fields
Sheet 7 Topographic map of Ogden Park
Sheet 8 Aerial Photograph of Ogden Park
Sheet 9 SCS Soils Map of Ogden Park
Sheet 10 Topographic Map of Outfall Location
Sheet 11 SCS Soils Map of Outfall Location
Sheet 12 WTP Site Design
Sheet 13 Diffuser Plan View with Elevations
Sheet 14 Cross Section of Di~~i iser
Appendix A. Environmental Assessment
Appendix B. NPDES Permit Application
Appendix C, Wetland/Waters of the U.S. Impact Maps (C1-9)
Cross Section of Access Road and Directional Drill (C 10)
Cross Section of Typical Well Field Site (Cl 1)
10

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Map Source: North Carolina Atlas ~ Gazetteer. Pg 84 .2003 SCALE 1" = 1 Mile
NHC Well Field and WTP
New Hanover County, Nc Land Management Group, lnc.
01-05-371 Environmental Consultants SHEET 1 of 14
Wilmington, N.C. Vicinity Map
CAMA Major Permit Application July 2006

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NHC Wel! ~ieSd and WTP
New Hanover County, NC
{71-05-371
CAMA Majt~r Permii Application
Proposed Welf t_ooatic~ns
~~
NOV 2 Q ZOU6 ~
[?EfVR - WATER UiJAL1T~'
yyETI.ANQS fii~!!f1 STC~tPAWATER £PA+~C~ SCALE 1 " = 150U`
Land Management Group, lnc~ SHEET 3 of 14
Environmental Consultants USES Topgrap]lIC ~~~?
Wilmington, N.C. ~# Well Sites and WTP
July 2t?46

Proposed Well Laca#ians
~Scaunda~~~~ csa~ a~a~~c.~~R~~~ac~ ~r~v are
not meanf to ~ absolute.
Map Source: MRCS Sails Map.
NHC Welf Field and WTP
New Hanauer County, NC
01-05-~ 71
LAMA Major Permit Application
~lTE
a ~C~~~~~' ~~~ '~~5~~
NOV 2 ~ 2006
~~n>- - v~~zE~ QUALITY SCALE 1 " _ ~ 500'
vVETLANDc ~ STChd?uiWMTER BRANf k
Land Management Gr©up, Inc.
Enviranmsntai Gansultants
Wilmington, N.C.
July 2006
SHEET 4 of 14
Sails Map for
Well Field and WTP

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Map SCytIfC~, 1998 NAPE' aerial pht~tograpFry
NHC WTI! Field and WTP
New Hanover County, NC
0 `! -05-371
CAMA Major Permit Application
Land Management Gr©up, Inc.
En~ironmentat Consutfants
Wilmington, N.C.
Julyr 2gU6
~tTE
UENR -WATER QUALITY
WETLANDS MkC STORMWAT~R BRANCH
J~/Ar..E F ~r = ~ ~1~~~
SHEET S of '14
Aeriaf Photograph of
Weil i=iefd anri 1~"T'P

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Ma Source: Scotts Hill Quadran !e 7,5 minute to SCALE 1" == 100'
P ~ ( pographie} 1990.
NHC Well Field and WTP Land Mann ement ~i"Y9U'
~ New Hanover Gounty, NC ~I #7, jl~C'. SHEET ~' v~ 14
01-~~-371 EnvironmentaECor;suEtants USES Topograptiic Map
Wilmington, N.C. caf Q den Park Tract
CAMA Major Permit Application December 2005 ~

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'Boundaries are appraximate and are` ~ `"' SITE
not meant to #~ absolute.
N0~ 2 0 206

NNC Wei( Fi~ad and VdTP
New Hanover County, NC
~ 1 ~5-37'!
LAMA Major Permit Application
Land Management Group, Inc.
Eavronmerria! Gonsuitants
Wilmington, N.G.
July 2086
SCA~.E '!" = SttQ'
SNEET 8 of 14
Aerial Phato~raph of
C3gden Park Tract

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riot meant to # absolute.
Map Source: MRCS Soils Map.
NHC Well Field and WTP
New Hanover County, NC
Q1-4~i-379
CAN1A Major Permit Application
NOV 2 Q 2QU6 ~ ~~.^ "
WEi1AMD5 AN.[i STO M14,iTfk~¢~e"v~NGk
Land 14~anagement Group, lnc.
Env[ronmerstat Goneuitants
Wrfmington, N.C.
July 2086
SCALE 1" = 840'
SHEET ~ of ~4
Soils Map of
Ogden Park Tract

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Map Source: Scotts Hill Quadrangle 7.5 minute (topograptticj 199x.
1dHC Weli Field and WT"P
New Hanover County, NC
f11-1~~-371
GAMA Major Permit Application
~.ar~d ~n~g~m~n~ Group, lnc,
Envronmerttat Consultants
WrEmingt©n, N.C.
July 2x06
SCALE 1" _ $40'
SHEET '{? 4f 14
USGS Tapc>grapf~ic Map
of ~utfail L~cat~on

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Map Source: NRCS Soils Map. SC,tOLE 1" = 4(}U'
NHC Wei! Fuld and WTP Lc~/1t~ Mina
New Hanover county, Nc Bement ~rraup, lttC. SHEET 11 of ~4
t~1-05-371 Env~ronmgrtiat C©nsuitan~
Wtlmingtan, N.C. Soils Map of
cAMA Major Permit Appfir_atiorr July ~Cll~6 t)utfali Location

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Please note LSese m;mbers do nct i^cluce impods from Weis A ~ 9 see Sheel C8i
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>'c6i`ed tend Mamge-eai Greuo, nc. is she» ro-ccie_ re,snds end Waters ~.he U.S. impoe's.
SHEET 12 pf 14
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APPENDIX B. NPDES Permit Application

NPDES PERMIT APPLICATION -SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to:
N. C. Department of Environment and Natural Resources
Division of Water t,~ualitp / NPDES Unit ~u` ~ ~, Z~Q~
1617 Mail Service Center, Raleigh, NC 27699-1617_. ,
P
NPDES Permit Number N000
If you are completing this form in computer use the TAB key or the up -doom arrows to move from on.e
field to the next: To check the boxes, click your mouse on top of the box. Otherwise, please print or type.
1. Contact Information:
Owner Name ~ New Hanover County Water and Sewer District
Facility Name New Hanover County Water Treatment Plant and Well Field System
Mailing Address 230 Market Place Drive
City Wilmington
State /Zip Code NC/28403 -
Telephone Number [phone]
Fax Number [phone]
e-mail Address
2. Location of facility producing dischazge:
Check here if same as above ^
Proposed WTP site is located on a 44-acre parcel
Street Address or State Road northwest of US 17 (Market St). The property is bounded
by Old Oak Road to the southeast and the proposed
Military Cutoff Extension. Corridor to the northwest.

City ,i
Wilmington
State /Zip Code NC/28411
County New Hanover County
3. Operator Information:
Name of the firrr~, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name W.K. Dickson & Co, Inc.
Mailing Address 909 Market St -
City Wilmington
State /Zip Code NC/28401 _
Telephone Number. [phone]
Fax Number [phone]
4. Ownership Status: '
Page 1 of 1 C-WTP 03/05

NPDES PERMIT APPLICATION -SHORT FORM C - WTP
For discharges associated with water treatment plants.
Federal ^ State ^ Private ^ Public
5. Type of treatment plant:
^ Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by
filtration and disinfection)
^ Ion Exchange (Sodium Cycle Cationic ion exchange)
F
® Green Sand Filter (No sodium recharge)
® Membrane Technology (RO, nanofiltration)
Check here if the treatment process also uses a water softener ^
6. Description of source water(s) (i.e. groundwater, surface water)
Groundwater: 50% acquired from the Pee Dee aquifer and 50% from the Castle Hayne aquifer
7. Describe the treatment process(es) for the raw water:
The proposed New Hanover County WTP is a 6-mgd groundwater treatment facility that will
treat water from the Pee Dee and Castle Hayne aquifers. The primary treatment process
.will be nanofiltration for softening total organic carbon (TOC) removal and color removal.
Sepazate membrane filtration units will be provided for the two source waters to alleviate
the potential for membrane fouling from biological growth or saturated salts. In addition,
raw water from the Castle Hayne has high iron levels and requires pre-treatment prior to
membrane filtration.
The total capacity of the Pee Dee treatment train will be 3.0 mgd, which equates to a raw
water feed rate of approximately 3.6 mgd. Treatment processes will include caztridge
filtration and nanofiltration in series. Three vertical cartridge filter vessels with 5-
micrometer filters will be provided for particulate removal. Two nanofiltration units will
be provided with a permeate capacity of 2.4 mgd. Source water will be blended with
permeate at a rate up to 20 percent (or 0.6 mgd). Design recovery for the nanofiltration
units is 80 percent. Three 1,050-gym feed pumps will be provided for boosting water to a
feed pressure of about 110 pounds per squaze inch (psi).
The total capacity of the Castle Hayne treatment train will be 3.0 mgd, which equates to a
raw water feed rate of approximately 3.? mgd. Treatment processes (in series) will include
oxidation with potassium permanganate, tray aeration, raw water detention, greensand
filtration, cartridge filtration, and nanofiltration. A 300,000-gallon raw water detention
tank will provide 2 hours of contact time for potassium permanganate oxidation. Three
greensand filters will be provided-for iron and manganese removal. The filters are sized
based on a filter loading rate of 3.0 gym/squaze feet. Three vertical cartridge filter
vessels with 5-micrometer filters will be provided for particulate removal. Two
nanofiltration units will be provided with a permeate capacity of 2.7 mgd. Source water
will be blended, with permeate at a rate up to 10 percent (or 0.3 mgd). Design recovery for
the nanofiltration units is 80 percent. Three 1,050-gym feed pumps will be provided for
boosting water to a feed pressure of about 110 psi.
Following nanofiltration, permeate from both the Pee Dee and Castle Hayne treatment
trains will be blended and the following chemicals will be added: sodium hypochlorite,
sodium hydroxide, and corrosion inhibitor. Finished water will then be conveyed to a 2.0-
million gallon pre-stressed concrete tank for storage. Three vertical-turbine pumps will be
provided to pump finished water into the distribution system.
Page 2 of 2 C-W'I'P 03/05

NPDES PERMIT APPLICATION -SHORT FORM C -WTP
For discharges associated with water treatment plants
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
The proposed WTP includes a waste treatment system for treatment of backwash waste.
Approximately O.1 mgd of backwash waste will be generated from backwashing ~greensand
filters. Backwash waste will be conveyed to a storage tank for clarification. Following a
batch clarification process, clarified water will be decanted and conveyed to the
membrane concentrate dischazge line. Solids will be pumped to the sewer system or will
be stored in a residuals storage tank for off-site. disposal vi~l land application by private
contractor.
9. Number of sepazate dischazge points: 1
Outfall Identification number(s)
10. Frequency,of dischazge: Continuous ® Intermittent ^
If intermittent:
Daps per week dischazge occurs: Duration:
11. Plant design potable flowrate 8.0 MGD
Backwash or reject flow 2.0 MGD
12. Name of receiving stream(s) (Prouide.a map shouring the exact location of each outfali, including
Latitude and longitude):
Atlantic Intracoastal Waterway (see attached map).
13. Please list all water treatment additives, including cleaning chemicals, that have the
potential to be discharged.
Sodium hypochlorite (for disinfection)
Sodium hydroxide (for pH adjustment)
Corrosion inhibitor (for stabilization)
14. Is this facility located on Indian country? (check one)
Yes ^
No
15. Additional Information:
Provide a schematic of flow through the facility, include flow volumes at all points in
the treatment process, and point of addition of chemicals.
Page 3 of 3 C-WTP 03/05

NPDES PERMIT APPLICATION -SHORT FORM C - WTP
For discharges associated with water treatment plants
- Solids Handling Plan
16. NEW Applicants
Infornuition needed in addition to items 1-15:
- New applicants must contact the NCDENR Customer Service Center.
Was the Customer Service Center contacted? ®Yes p ^ No
- Analyses ofsourcewater collected
- Engineering Alternative Analysis
- Dischazges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a
water quality model.
17. Applicant Certification
I certify that I am familiaz with. the information contained in the. application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
Printed name of Person Signing Title
Signature of Applicant Date
North Carolina General Statute 143-215.6 (b)(2) provides that: Any person who knowingly makes any false
statement representation, or certification in any. application, record, report, plan, or other document files or
required to be maintained under Article 21 or erg~wai~ norolrnowinglywrenderst inaccuragemany recom d ssgl or
implementing that Article, or who falsifies, tamp
monitoring device or method required to be operated or maintained under Article 21 or regulations of the
Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable
by a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section
1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more than 5 years; or both,
for a similar offense.)

C_WTp 03/05
Page 4 of 4

APPENDIX GWetland /Waters of the U.S. Impact Maps

.TEMPORARY
404
WETLAND
AREA
LOCATION

IMPACT AREA
SQUARE FEET
ACRES SHEET
1 1699 0.039 CS
2 695 0.016 CS
3 24 O.ODt CS
4 .754 Q017 C6
5 20761 0.477 C9.
404
WETLAND AREA LOCATION

IMPACT AREA
SQUARE FEET
ACRES SHEET
} 574 0.013 C2
2 1461 0.034 C2
3 825 0.019 C2
4 109 0.003 C2
5 3910 0.090 C3
6 11911 0.273 C3
7 377 O.D09 C3
8 264 0.006 C3
9 9831 0.226 C3
1D 207 0.005 C3
11 12227 0.281 C3
12 10485 0.241 C3
13 18952 0.435 C7
14 11091 0.255 C4
15 1492 0.034 C7
16 359 0.008 C8

JUL 312006
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TEMPORARY ~'' °-'"~ ` ~'~.: ~ .
COASTAL
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IMPACT AREA SQUARE FEET ACRES SHEET
1 2807 0.064 C6
WATERS
Of THE U.S. AREA LOCATION

IMPACT AREA
SQUARE FEET
ACRES SHEET
1 1324 0.030 C2
2 483 0.011 C2
3 621 0.014 C2
4 5861 0.135 C2
5 562 0.013 C2
6 529 0.012 C2
7 221 0.005 C3
8 188 0.004 C3
9 575 0.013 C4
10 41 0.001 C4
t1 362D 0.083 C4
12 728 0.017 C7
13 692 0.016 C7
14 784 0.018 C7
15 549 O.Oi3 C7
16 1890 0.043 C11
17 439 0.010 C8
® WETLAND IMPACT AREA
WUS IMPACT AREA
WUS =WATERS OF THE UNITED STATES
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PRELIMINARY DOCUMENT - NOT FOR CONSTRUCTION
~ WI/ WILMIONG ONKNC 528401 Date : 9/t/OS TYPiCAI WELL SITE CROSS SECTION
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SHEET C11
CAMA MAJOR PERMIT APPLICATION