NC0089613_NPDES Permit Application_20160602

•
RECEIVED/NCDEQ/DVVR
APR 13 2016
Wir
April 13, 2016 Water Quality
Permitting Section
THEJulie A Grzyb, Environmental Engineer
WOOTENNC DEQ/Division of Water Resources/Water Quality Permitting
NPDES Complex Permitting, Wastewater Branch
COMPANY 1611 Mail Service Center
Raleigh,NC, 27699-1611
ENGINEERING
RE: Brunswick Regional Water & Sewer H2GO NPDES Permit
PLANNING Application
ARCHITECTURE
Dear Ms. Grzyb:
On behalf of Brunswick Regional Water and Sewer H2GO, The Wooten
Company is submitting the attached NPDES permit application for
approval. H2GO is applying for a permit to discharge up to 2 million
gallons per day (mgd) of concentrate water to the Brunswick River. This
concentrate water would be generated from a new reverse osmosis (RO)
water treatment plant.
The following documents are included in the application:
• EPA Form 1
• EPA Form 2D
RECEIVED/HCDENR/DWR • Reverse Osmosis Pilot Test Report
• Engineering Alternative Analysis (EAA)
APR 1 8 2016 • Application Fee
Water Quality Regional In addition to the above, you had provided a summary sheet of items you
Operations Section
Wilmington Revionai Office requested to see included in a permit application (see attached).
Information in regards to this sheet is summarized below:
• The Brunswick River is tidally influenced and is not freshwater.
• Toxicity testing with mysid shrimp during the pilot study indicated
the concentrate will not be toxic at the instream waste
concentration (IWC) determined from the Cormix modeling
presented in the EAA.
• Any dissolved oxygen standard applies at the edge of the mixing
zone per the North Carolina mixing rule 15A NCAC 2B.0204. DO
data collected at the nearest river data station to proposed
discharge point indicates background levels in the river can vary
120 North Boylan Avenue from 3.4 mg/L (summer) to 10.1 mg/L (winter). Rule 15A NCAC
Raleigh NC 27603-1423 ( 02. 0220 (3) (b) allows an exemption to the DO standard based on
/~^ lower values due to natural conditions (as exists in the Brunswick
919.828.0531
fax [phone]
U 220 L 5)

4
River). Responses to comments on the DO issue were provided in
response to agency comments on the Draft Environmental
Assessment (EA). These responses were previously provided to
you on November 13, 2015 following the November 12, 2015
THE permit coordination meeting.
W O OT E N • An EAA is being submitted with the Cormix Model for this
G project. The EAA indicates there are no other feasible discharge
COMPANYalternatives. Also, per the attached e-mail from Tom Belnick, the
local government review form is not required for this municipal
ENGINEERING project.
• A treatment process diagram is included in EPA Form 2D.
PLANNING . A description of concentrate and flush water volumes generated is
ARCHITECTURE included in EPA Form 2D. Membrane cleaning and other
wastewaters (domestic from bathrooms, other cleaning chemicals)
would be discharged to the sanitary sewer leading to the
Brunswick H2GO existing WWTP.
• Phase 1 and Phase 2 potable flows and concentrate flows are
provided in EPA Form 2D.
• Map showing the proposed outfall location is provided with EPA
Form 1
• Additives to the raw wat r(antica alai nt) or to the permeate water
(polyphosphate, caustic, hypochlorite, calcite) will not be
discharged to the outfall.
• The only solids generated would be spent cartridge filters which
will be disposed of as normal garbage.
• Cameron Weaver, the Customer Service Center representative for
this project, was contacted. A permit coordination meeting was
held at the DEQ Wilmington Regional on November 12, 2015. A
list of attendees to this meeting is attached.
• All other information on the attached sheet is included in the
submittal.
As part of this project, an environmental Scoping Letter and
Environmental Assessment (EA) were near completion to meet the North
Carolina State Environmental Policy Act(NCSEPA). However, on June
19, 2015 rule changes were implemented which resulted in this project no
longer being subject to NCSEPA review requirements. Attached is a letter
from David Wainwright indicating this project is no longer subject to
NCSEPA.
During the EA process, federal and state agencies and local governments
provided comments on this project. These comments and the responses to
these comments were provided to you in an e-mail from The Wooten
120 North Boylan Avenue Company on November 13, 2015. Mr. Wainwright should have an
Raleigh NC 276034423 electronic copy of the Final EA report submitted prior to the rule changes.
919.828.0531
fax [phone]

We can provide a hard copy or electronic copy of the Final EA report, as
desired.
We would like to have a brief meeting with you as soon as possible to
THE verify that the attached NPDES application is considered complete.
WOOTEN
COMPANY Sincerely,
ENGINEERING
PLANNING
ARCHITECTURE Carl Scharfe, P.E
120 North Boylan Avenue
Raleigh NC 27603-1423
919.828.0531
fax [phone]

WN
BRUNSWICK REGIONAL
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' BRUNSWICK H2GO Water Prolett—NPDES wastewater Permit Application Requirements
Proposed RO Wastewater discharge to Brunswick River(SC,impaired for dissolved oxygen)/Cape
Fear River Basin
I.-Treatment
NC Water Treatment Plant Strategy does not allow new Membrane orlon Exchange Water
Treatment Plant wastewaters to freshwater.
Pilot studies will have to demonstrate that the concentrate will pass chronic toxicity tests using mysid
shrimp at 90%effluent concentration or the estimated dilution level.Proposed RO facility will receive a
Pass Chronic Toxicity limitation in their permit.
...Effluent dissolved oxygen should meet Water Quality Standard of 2 5 mg/L. •
Application Process:This will be a Major Permit for a new discharge
Phase I Z MGD discharge for 4.0 MGD design:Phase Ii`2.0 MGD discharge for S MGD design
, All new and expanding facilities MUST submit an Engineering Alternatives Analysis(EAA)with any
required application(s).Should address connection or discharge to existing WWTP,Land Application
such a spray irrigation,Wastewater reuse, Direct discharge, possible combinations,etc. EM includes
local government approval.
Perform water quality model(CORMIX)and discuss water quality impact and assessed dilution—
submit with application.
Complete Federal Application forms for MAJOR INDUSTRIAL FACILITIES
✓A EPA Form 1:Major Industrial Facilities and EPA Form 2D:New facilities
Following are some additional questions/information NPDES requires to process the application. If
the questions were answered in full as part of EPA Form 1 and 2D no more detail is necessary;
however,if they were not,please provide the additional information separately.
�. Describe the treatment processes) for the raw water. In addition, provide a
schematic of flow through the facility, include flow volumes at all points in the
water treatment process. The plan should show the point[s] of addition for
chemicals and all discharges routed to an outfall[including stormwater].
✓4 Describe the wastewater and the treatment process(es) for wastewater generated by
the facility. Include information on membrane cleaning frequency,volume,
treatment (pH adjustment), and if cleaning wastewaters will be blended with other
wastewaters when discharged, or pumpedandhauled off for disposal.
• Plant design potable flowrate Phase I T MGD Phase H S MGD
• Backwash or reject flow Phase I / MGD Phase II 2.- MGD
• Name of receiving stream(s) (Provide a�map shgwing the exact location of each outfall,
including latitude and longitude): A TIaGN 1# Al I
• Frequency of discharge: Continuous Intermittent 0
If intermittent:
Days per week discharge occurs: and Duration: hours/day

•
• Please list all water treatment additives, including cleaning chemicals or
disinfection treatments, which have the potential to be discharged.
Alum / aluminum sulfate Yes•
No
Iron sulfate / ferrous sulfate Yea 19
uoride Yes No
Ammonia nitrogen / Chloramines Yes
Zinc-orthophosphate or sweetwater CP1236 Yes
List any other additives below:
• Additional Information:
Discuss how Sods will be processed and disposed
do Sol ti G.arle a, II a ✓Cene,a-bd. Ca r+i,de Ft t sa
oft1o
• NEW Applicants it, h O/.�.a( q 4%447"
Information needed ✓
1. New applicants are highly encouraged to contact a permit coordinator
with the NCDENR Customer Service Center.
Was the Customer Service Center contacted? %Yes 0 No
iv]etAthtc.�.� Nov. 2.4 20 s-
2. Analyses oit source water collected (Baseline Raw Water Monitoring
Data)
3. Pilot Study Summary of data
4. Engineering Alternative Analysis
a. Discharges from Ion Exchange and Reverse Osmosis plantsshall be
evaluated using a water quality model.
.Membrane-Pilot Study Summary should include data for the following parameters:
Aluminum,Arsenic,Barium, Beta, Particles,Calcium,Chloride,Copper,Iron, Magnesium,Manganese,
Fluoride,Ammonia-Nitrogen, Nitrogen-Nitrate+Nitrite,Total Phosphorus,Total Nitrogen [TN=TKN+
(Nitrites+Nitrates)],Total Dissolved Solids,Total Suspended Solids,Zinc, Lead,pH,Radium 226&228
(pCi/L),Chronic Toxicity test(s) using mysid shrimp at 90%effluent concentration or estimated dilution
(or perform a multi-concentration test).
and if available,Phosphate as P,Total Alkalinity(as CaCO3), Bicarbonate,Carbonate,Hydroxide
Alkalinity,Silica,Sulfate,Sodium.
Is there groundwater contamination at any of the Superfund or Hazardous Waste Generator sites
listed on Figure X?If so,what are the primary contaminants of concern? Have nearby wells been
tested for these contaminants? Are all findings non-detect?
(Any Stormwater?) • EPA Form 2F:

Carl Scharfe
From: Belnick, Tom <[e-mail]>
Sent: Wednesday, March 16, 2016 1:04 PM
To: Carl Scharfe
Cc: Grzyb, Julie
Subject: NPDES/Local Government Form
Carl- in response to your voice message concerning Local Government Review Form, I've copied the appropriate
regulation below. This requirement pertains to new nonmunicipal applicants proposing to discharge domestic
wastewater. If that requirement is not applicable to your situation,then you do not need to complete. If you have
additional NPDES questions specific to RO discharges, please contact Julie Grzyb (copied).
15A NCAC 2H.0105(i)
(i) Applicants for permits for new nonmunicipal domestic wastewater discharges shall file a notarized statement
indicating whether or not each city or county government having jurisdiction over any part of the lands on which the
proposed facility is to be located has a zoning or subdivision ordinance in effect, and, if such an ordinance is in effect,
whether or not the proposed facility is consistent with the ordinance.
Tom Belnick
Supervisor
NPDES Complex Permitting Unit, DWR
North Carolina Department of Environmental Quality
919-807-6390 office
tom.belnick cnr ncdenr.gov
512 North Salisbury Street
1617 Mail Service Center
Raleigh, NC 27669
%'Nothing Compares
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
1

SIGN UP SHEET
SCOPING MEETING
Brunswick H2G0 Water Treatment Plant
Belville
Brunswick County
11/12/2015
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NCDENR
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127 CARDINAL DRIVE
WH MW ON, NC 29405
9104 7215, PAX M1 350.2004
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AMETiR
North Carolina Department of Environment and Natural Resources
Pat McCrory Donald R.van der Vaart
Governor Secretary
July 22,2015
To: Mr.Bob Walker,Brunswick Regional Water and Sewer H2GO,Leland,NC
Subject: H2GO Groundwater Well Network,Reverse Osmosis Water Treatment Plant,and Process
Wastewater Discharge to Brunswick River;Brunswick County
Dear Mr.Pottern:
I recently contacted you regarding the above project,which is currently undergoing North Carolina State
Environmental Policy Act(NCSEPA)review.As we discussed,the North Carolina General Assembly recently
passed Session Law 2015-90("An Act to Reform and Amend the State Environmental Policy Act")which was
signed by Governor Pat McCrory on June 196,2015,and became effective immediately.The law significantly
changes the criteria under which a NCSEPA review is now required.
Under Session Law 2015-90,two key criteria exist in determining if a NCSEPA review is required.Projects which
receive State funding in excess of$10,000,000 or involve a substantial,permanent change in the natural cover or
topography of ten acres or more of public lands will continue to require NCSEPA review.Based on our discussions
and the information you have provided about the proposed project it does not appear that it meets either of these key
criteria as the project does not involve state funds or will it substantially and permanently impact 10 acres of public
land(s).Therefore,the Division of Water Resources(DWR)believes that your proposed project no longer requires
NCSEPA review,Due to the legislation taking effect immediately,the DWR will no longer proceed with the
NCSEPA review of the project.
Should your project change and you find that State funds in excess of$10,000,000 will be applied or you will
substantially and permanently impact more than 10 acres of public land(s)please contact me so we can discuss if
your proposed project will need further NCSEPA review.
While your proposed project may no longer require NCSEPA review,applicable state and federal laws still apply
and the DWR strongly encourages you to continue coordinating with necessary resource agencies to ensure that your
project continues to proceed smoothly.
Should you have any questions or need any further assistance please do not hesitate to contact me at
[e-mail] or 919-807-6442.
Sincerely,/51/1,/�
vv
:_it
David Wainwright
DWR SEPA Review Coordinator
cc: Mr.Gerald Pottem,Robert J.Goldstein and Associates,Raleigh,NC
Mr.Carl Scharfe,P.E.,The Wooten Company,Raleigh,NC
1611 Mail Service Center,Raleigh,North Carolina 27699-1611
Phone:[phone] Internet:www.ncdenr.gov
An Equal Opportunity 1 Affirmative Action Employer

Pleale print or type in the unshaded areas only
For A roved OMB No 2040-0086 Approval expires 5-31-92
fill-in areas are spaced
for elite type, i.e., 12 characterslinch . PP
FORM
U.S. ENVIRONMENTAL PROTECTION AGENCY
1. EPA I.D. NUMBER
GENERAL INFORMATION
F T`A p
PA`��C
G Consolidated Permits Program
'
- ''] 14 1 1s
GENERAL
Read the "General Instructions" before starting.)
LABEL ITEMS
I GENERAL INSTRUCTIONS
If apreprinted label has been provided.
1. EPA I.D. NUMBER
affix it in the designated space. Review the
it is
information carefully, if any of
incorrect cross through it and enter the
correct data in the-appropnate. fill-in area
III. FACILITY NAME
below. Also, if any of the preprinted data is
area to the leR of the label
V. FACILITY PLEASE PLACE LABEL IN THIS SPACE
absent /the
space
p/IS leasepprovide la in the properr fill-
P
in below. the label Is complets
MAILING LIST
a Items
and correct, you need not complete
core
which must be
III, rc,in
and VI(exregardless).
completed 2gaailess). Complete all items
c le Co
VI. FACILITY
if no label has been proved. Refer to the
LOCATION
instructions for detailed item descriptions
and for the leggal authorization under which
this data iscollected. -
II. POLLUTANT CHARACTERISTICS
TR Complete A through to determine whether you need to submit any permit application forms
to I e EPA. If you answer yes" toany.
must submit this form and the supplemental from listed In the parenthesis following the question.
Mark X' in the box in the third column if
questions, you
the supplemental forth is attached. If you answer "no" to each question, you need not submit any of these forms.
You may answer' no" if your activity is
excluded from permit requirements: see Section C of the instructions. See also, Section D of the instructions
for definitions of bold-faced terms.
-
SPECIFIC QUESTIONS
MARK "X"
SPECIFIC QUESTIONS
MARK "X"
FORM
Yes
Nq.-
FORM
YES
NO
ATTACHED
ATTACHED
A. s is a pu Ilcly owns Vestment wor s
"Ii results in a tllacharge to waters of the
❑
®
❑
Does or willthis aGliiy ert er exlsfrng or
proposed) include a concentrated anlmal
-
❑
®
❑
U.S.? (FORM 2A)
- leading operation or -. _ aquatic anlmal
production facility which results in a discharge.
to waters of the U.S.? (FORM 2B)
16 -
17
1e.
19
20
21
C. Is this facility i current y results m
❑
s t is propose acilit1(other than those escn e
®
❑
discharges to waters of the U.S. other than
in A or S above) which will result in a discharge
22
23
24 -
25
26
27
those described in A or B abovel FORM 2C -
to waters of the U.S.? FORM 2D
E. Does or will this au n treat, store, or spose of
F Do you or wic you inject at this facility industrial or
effluent below the lowermost stratum
❑
®
❑
hazardous wastes? (FORM 3)
❑
®
❑
municipals.
the well
containing, :within one quarter mile of
bore, underground sources of drinking water?
29
29
so
(FORM 4
31-
`32
- 33
G. Do you or willyou Inject at this' a ry any
produced water other fluids which are brought to
o you or vnl you inject at this ac ity fluids for
special processes such as mining of suffer by the
in
❑
®
El
the surface in connection with conventional oil or
❑
®
❑
Frasch process, solution mining of minerals,
natural gas production. Inject fluids used for
inject
situ combustlon of fossil fuel, or recovery of _
geothermal energy. (FORM 4)
enhanced recovery of oil or natural gas, or
fluids for storage of liquid hydrocarbons?
34
35
']7 .
3s
`139.us ..
FORM4
I. s I5 faality a proposed stationary source
. is this facility a proposed sta[onary source
which Is one of the 29 industrial categories listed
❑
®
which is NU 7 one of the 28 Indu6trial categories
❑ will ❑ ® ❑
in the instructions and which will potentially emit
listed in the instructions and which potentially
100 tons per year of any air pollutant regulated
under the Clean Air Act and may affect or be
emit 250 tons per year of any air po lutant
regulated under the Clean Air Act and may affect
40
- 41
located in an attainment area? fFORM 5)
42 or be located 1h:an attainment are? FORM 51 43 44-i, -Y!3:-
III. NAME OF FACILITY
C SKjp BRUNSWICK REGIONAL WATER
AND
SEWER
H2GO WATER TREATMENT PLANT
1
15 1 16-29 1 30
IV. FACILITY CONTACT
A. NAME'&TITkE'' IaSf,7nrstt &'Wie - - -'
' ' -B:-PHONE farse code & n0 • �,. ,0, ;
C
WALKER, BOB, EXECUTIVE DIRECTOR
910 371 9949
4.i•
:46, 48 43 - -51, b2:-..r,. 55 ••. �'
15 16 - 45.J.
V. FACILITY MAILING ADDRESS
A. STREET OR P.O. BOX
-
D. ZIP CODE
26451
C
P.O. BOX
E2230
3
3'
B. CITY OR TOWN - -
C. STATE
.c LELAND NC
4
-15 a 40 41 42-.
47.--. 51
VI. FACILITY LOCATION.
A. STREET; ROUTE N0.-OR OTHER•,.SPECIFIC IDENTIFIER
C5
148 GREGORY ROAD
15
1 16 .. _ 45
B. COUNTY NAME -
BRUNSWICK
46 70
- C. CITY OR TOWN
D. STATE
I E. ZIP CODE
I F. COUNTY CODE -
C
BELVILLE
NC
28451
6
1 15
15 40
41 42
47 51
EPA FORM 3510-1 (8-90) CONTINUED ON REVERSE

- CONtINUED FROM THE FRONT
VII. SIC CODES 4-di.it, in order of•riori
A.FIRST ' - ., - B.SECOND - - ''• '•• •-A",.-14).f.
C 4941 (specify) 7 (specify)
7 WATER SUPPLY 7
15 16 17 15 16 .- ' • 'ISit;•%
C.THIRD • ! "-`712. 1.4'.=r;, ,‘ ,.. ',..,v.;,t03,,,7)'..,;46441;1440:•!-sijaAit13..FOLIRTRA'N"ISHIMINNO
c (specify) 7 (specify)
7 7
15 16 17 15 • 16 • ,19
VIII. OPERATOR INFORMATION
- A. NAME -c-.. =., ,-.,) ,:•,.:1.r., ., .... e ,,..,,.Arsw.,... 1'c' B. Is the name listed in Item
C BOB WALKER,EXECUTIVE DIRECTOR VIII-A also the owner?
8 ,El YES El NO :-:''''l•
18 19 • - , . • .. -,, . .
.. . ,.......,- -z7.55
C.STATUS OF OPERATOR(Enter the appropriate letter into the answerboir:If"OtheinWigifk)- ,--.1-l''' '.7.... D.;PHONE area code&no) ._ .:;r•4•1
F=FEDERAL M=PUBLIC(other than federal or state) M (specify) C' • ' 910
S=STATE 0=OTHER(specify) WATER&SEWER A :;..- 371 ,•,., 9949,, ',•:.'..
-.- .. 't^,•t,,.
P=PRIVATE .:.r;.... REGIONAL AUTHORITY 16.. 16',:.:'18:.-,.'-i''''',-'''19 '60'''W r".' 43Vi5
. ..
•
,. ..,
146 GREGORY ROAD
26
F.CITY OR TOWN ' G.STATE H.ZIP CODE IX. INDIAN LAND
C BELVILLE NC 28451 Is the facility located on Indian lands?
B El
15 16 40 42 42 47 51 n YES NO
X. EXISTING ENVIRONMENTAL PERMITS
A. NPDES(Discharges to Surface Water) D. PSD(Air Emissions from Proposed Sources)
C T I NC0075540 C T 8
, -.er ,eq':•)t-Iti •.,t, ...•
15 16 17 18 • .7". :,-,3-..,';''•d•••''''l mi,.;.'r, ,!,- ..:,Nr 44R*.A'-.,...30 •,15 • 16. 17••,. vie404244444-4*-4-misrArk4,14.**74,4scrytOaii, i• -, , .. -
B. UIC(Undergrbund ItijerctiOn of Fluids • •' -• ' . A,'E:v OTHER(six-icify) WW1!MOW (Specify)
C T I C T 8
9 U 9
15 16 17 18 .30 15 16 17 18 , - :: •A..1.;-,r. 1:,,,...40f.*
C.RCRA(Hazardous Wastes) •. ••• ' E.OTHER(specify)'--•.-, 1,,li-,.4':' (Specify)
C T I c r 8
9 RE 9
15 16 17 18 30 15 16 17 18 •30 •
XI. MAP
Attach to this application a topographic map of the area extending to at least one mile beyond property boundaries. The map must 11.'
show the outline of the facility, the location of each of its existing and proposed intake and discharge structures, each of its ,
hazardous waste treatment, storage, or disposal facilities, and each well where it injects fluids underground. Include all springs,
rivers and other surface water bodies in the map area. See instructions for precise requirements.
XII. NATURE OF BUSINESS (provide a brief description)
Brunswick Regional Water and Sewer H2GO provides water and sewer service to approximately 9500 customers in
Leland, Belville, Navassa, and unincorporated areas of Northeast Brunswick County, NC. The regional authority
operates, maintains and manages a water distribution system and a sewer collection and wastewater treatment facility.
H2GO currently supplies approximately 1.7 mgd of finished water on an average daily basis to its customer base through
over 150 miles of distribution water main, two storage tanks (elevated and ground tank), and a booster pump station. The
service area is experiencing steady growth (>400 new connections per year at present) and H2GO is planning for future
needs through construction of a new well field and reverse osmosis water treatment plant.
XIII. CERTIFICATION (see instructions)
I certify under penalty of law that I have personally examined and am familiar with the information submitted in this application and
all attachments and that, based on my inquiry of those persons immediately responsible for obtaining the information contained in
the application, I believe that the information is true, accurate and complete. I am aware that there are significant penalties fol'
submitting false information, including the possibili of fine and imptisonrnent..-
A. NAME&OFFICIAL TITLE(type or print) B.S NATURE / C. DAT SIZIE P
Bob Walker, Executive Director _.." 01(P
Aka A Air
COMMENTS FOR OFFICIAL USE ONLY
c
c .
15 16 .
EPA FORM 3510-1(8-90)

Form Approved.OMB No.2040-0086.Approval expires 8-31-98.
EPA I.D.NUMBER(copy from Item 1 of Form 1)
Please print or type in the unshaded areas only
Form A New Sources and New Dischargers
2D \/EPA Application for Permit to Discharge Process Wastewater
NPDES
I.Outfall Location
For each outfall,list the latitude and longitude of its location to the nearest 15 seconds and the name of the receiving water.
Outfall Number Latitude Longitude Receiving Water(name)
(list) Deg. Min. Sec. Deg. Min. Sec.
001 Brunswick River.
34 13 05 77 58 42
II.Discharge Date(When do you expect to begin discharging?)
III.Flows,Sources of Pollution,and Treatment Technologies 1111111111.11111111111.11111
A. For each outfall, provide a description of: (1) All operations contributing wastewater to the effluent, including process wastewater, sanitary
wastewater, cooling water,and storm water runoff; (2)The average flow contributed by each operation; and (3)The treatment received by the
wastewater.Continue on additional sheets if necessary.
Outfall 1.Operations Contributing Flow 2.Average Flow 3.Treatment
Number (List) (Include Units) (Description or List codes from Table 2D-1)
1-s
001 Reverse Osmosis 2.0 MGD
Concentrate Discharge
EPA Form 3510-2D(Rev 8-90) PAGE 1 of 5

B. Attach a line &awing showing the water flow through the facility. Indicate sources of intake water, operations contributing wastewater to the
effluent,and treatment units labeled to correspond to the more detailed descriptions in Item III-A.Construct a water balance on the line drawing
by showing average flows between intakes, operations, treatment units, and outfalls. If a water balance cannot be determined (e.g., for certain
mining activities),provide a pictorial description of the nature and amount of any sources of water and any collection or treatment measures.
C. Except for storm runoff,leaks,or spills,will any of the discharges described in Items III-A be intermittent or seasonal?
❑YES(complete the following table) 0 NO(go to Section IV)
1. Frequency 2. Flow
Outfall a.Days b. Months a.Maximum Daily b. Maximum
Number Per Week Per Year Flow Rate Total Volume c.Duration
(specify average) (specify average) (in mgd) (specify with units) (in days)
IV.Production
If there is an applicable production-based effluent guideline or NSPS, for each outfall list the estimated level of production (projection of actual
production level, not design), expressed in the terms and units used in the applicable effluent guideline or NSPS, for each of the first 3 years of
operation. If production is likely to vary,you may also submit alternative estimates(attach a separate sheet).
Year A.Quantity Per Day B.Units Of Measure c.Operation,Product,Material,etc.(specify)
Not Applicable. The project is to produce potable water and there is no
proeduction based effluent limits
EPA Form 3510-2D(Rev.8-90) Page 2 of 5 CONTINUE ON NEXT PAGE

CONTINUED FROM THE FRONT EPA I.D. NUMBER (copy Irom Item 1 of Forth 1) Oulfalf Number
V. Effluent Characteristics
A and B: These Rams require you to report estimated amounts (both concentration and mass) of the pollutants to be discharged from each of your
outfalls. Each part of this item addresses a different set of pollutants and should be completed in accordance with the specific Instructions for that
part. Data for each outfall should be on a separate page. Attach additional sheets of paper If necessary.
General Instructions (See table 2D-2 for Pollutants)
Each part of this item requests you to provide an estimated daily maximum and average for certain pollutants and the source of information. Data
for all pollutants in Group A, for all outfalls, must be submitted unless waived by the permitting authority. For all outfalls, data for pollutants in Group
B should be reported only for pollutants which you believe will be present or ere limited directly by an effluent limitations guideline or NSPS or
indirectly through limitations on an Indicator pollutant.
1. Pollutant
2. Maximum Daily
Value
(Include units)
3. Average Daily
Value
(include units)
4. Source (see instructions)
See attached Table.
Data based on pilot plant testing.
EPA Form 3510-21) (Rev. 8-90) Page 3 of 5 UUN I INUt UN

f i1 ,
EPA I.D.NUMBER(copy from Item 1 of Form 1)
VII.Other Information(Optional)
Use the space below to expand upon any of the above questions or to bring to the attention of the reviewer any other information you feel should be
considered in establishing permit limitations for the proposed facility.Attach additional sheets if necessary.
The new RO water treatment plant will initially produce up to 4 mgd of finished water using two
(2) reverse osmosis membrane skid mounted units (2 mgd each) . The RO WTP would be designed to
expand to add two (2) future skids to produce up to B mgd. Based on pilot testing the design
recovery rate will be B0% permeate. The concentrate flow at this recovery will initially be
approximately 1 mgd and then 2 mgd upon expansion. The NPDES permit application discharge volume
is 2 mgd. A process line diagram for the proposed RO treatment system is attached.
Discharge point will be at the coordinates given in this application and as shown in the EAA
report. Submerged diffusder ports to be set approximatley 1 to 1.5 foot off the bottom of the
river approximately 350 from shore and 100 feet south of existing Belville WWTP discharge outfall.
A river flow study and Cormix modeling was performed at the proposed discharge point to establish
a 10-meter mixing boundary location for the proposed submerged. Per North Carolina mixing rules,
the mixing boundary is the location for comparison to standards. An instream waste concentration
of 3% was determined based on the flow study and Cormix modeling. A benthic evaluation at the
discharge location showed low DO type organism (i.e. worms) existing at the proposed discharge
point. The river flow study,Cormix study, and benthic study is contained in the EAA report.
A pilot study was conducted for three months and the discharge character determined. The raw feed
water quality and concentrate feed water charateristics are attached in table format. Three
toxicity tests were also conducted at the IWC determined by the Cormix Model. All three tests
were conducted with mysid shrimp at a state certifield lab and all toxicity tests were passed with
no observable effects. A pilot plant test report was submitted with this application.
The pilot testing indictes a low fouling potential for the RO membranes. It is estimated that
membrane cleaning will be needed once per year or less. The cleaning procedure will include an
acid rinse (2% Citric acid) and a caustic rinse (<1%) with permeate rinse steps in-between. The
@. n estimated total rinse volume per skid is 24,000 gallons. The spent cleaning solution and rinse
x. water will be neutralized and discharged to the sanitary sewer which will discharge to the
/� `` Belville WWTP.
When a RO skid unit is shut down, a flush cycle using raw feed water will be performed. This
flush water volume is estimated to be 2,500 gallons and will be discharged to the RO concentrate
discharge line. The flush water will be more dilute than the normal concentrate water generated
during water production.
The Engineering Alternatives Analysis is being submitted with this NPDES discharge permit
application. Prior to North Carolina rules changes, an environmental assessment for this project
was underway and was near completion. Agency comments and reponses to comments have already been
provided previously to the North Carolina Division of Water Resoruces, NPDES Permitting Section
staff.
VIII.CERTIFICATION
1 certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons
who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. l am aware that there are significant penalties for submitting false information, including the
possibility of fine and imprisonment for knowing violations.
A.Name and Official Title(type or print) B.Phone No.
Mr. Bob Walker, Executive Director (910) 371-9949
C.Signature D.Dag S ! x
‘0e-4/4"'--
)60
EPA Form 3510-2D(Rev.8-90) PAGE 5 of 5

Tmnsition Coupling
FROM DEEP WELLS —s 1 n� x
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RAW FLTER PILTER ROPUMP
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PROCESS FLOW DIAGRAM
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•
Table 4.2:Concentrate Summary for tt2G0 RO Pilot Plant
POe4Telling Cmmanale MIR Taal Cont. Pint Teallq CoMeaaau
Cancealntlom,Pam 1(ample Carmtratlom.l93(sample C•MeelntleM,Pap 6 Mldq leuo6o7
Wain Qmlb PaanmW Units 1) 2) (mole 3) Commaatln BrmnNk Weer Smadal
Alkalinity me- 2.120 1,970 2.300
Aluminum meal. 0.04 003 0.036
Arsenic(e7W) wit <01 0.048 402 <0.0003 0.05
Maim OWL 000 4.400 0.09
Born ma. NM NM NM
Bromide nal NM NM NM
Cadmium eat& <0I <003 4.4105 4.0003 0.005
Calcium mitt 144.0 102 141
(11k•ide 480, 12.6011 11.100 9,400
Chromium will. 4.01 0.305 402 <02003 0.020
Coliform Basan NM NM NM 33/100 ml
Copper roil 0005 <050 4005 00002 0.003•
Cyadd9 MIA <00S <050 <003 4.0002 0.001
Fluoride mem. 0.2 3.1 520
(kua Aloka PA- 10.1 <3 <3
Cross Baa pCi/I. 352 242 252 II 50
Hardness mit NM NM NM
1m will. 0.731 0.557 0.196
Lad mil c01 <.003 <0.02 <0.0003 0.025
34Mneaiom pall 1512 120 166
MmyMm mor. 0039 0.03 0.038
Mercury moi. <0002 <.0004 40002 4.000006 0.W25
NIcM aet 0022 <0.100 0.003 00007 0.0083
Niuugm,Nmlmoia me/. 4.3 4.37 7.30
560 01441.Coral mil. 3.3 3.6 4.4
Nitrate pyo. <.02 <1.0 402
Nitrile melt <.02 <0.10 402
Phosphorus,Taal melt 0.330 0.49 0.43
Phosphorus,Oahu mgt. 0.110 0.27 0.10
pH NM 7.98 6.71
Aamium root. 260 203 250
Radium 226 PCin. 2 1.00 1.70 009 5(combined 226=228)
Radium 228 pCi/I. 28 2.80 3.00
Selenium pill. <01 0.195 402 0.00 0.071
SiOm(dimolved) m81L NM 38.1 47.2
Silver m80. <01 <05 4.003 4.0003 0.0001•
Sodium eWL 9.260 7.260 827
Strontium mat 8.50 6.66 7.92
Sulfas mill 21 388 529
TOS EMIL 25600 10.400 24,510
TCC me/t NM NM NM
Total Hata melt NM NM NM
1LrbidIly NOV NM NB4 NM
Ziac mel. <01 <1.0 <0.02 40003 0.086'
NM Not Mewd
Btlw Dmmmi tiro 4060 valor avalsble
• Asian Level Oily pro15A NGC MB 022014)use twin mipdM at RmkkySas.Toe mem rkm*mIaIy .
NMa
1 Btperima l:601408CAAOArwwar Wad awl SOS rummy.BCA 135 am PDA7ABm mad 19.1 inn
2 lupvbma 3:MVO BCA/PDA me waMmdad75a rains SCA 115 aw FDA 70 gen mol 19.1 flu
3 Pahl•6:60/40 BCA/PDA rw•ar Neel sod el moray.BCA 113 am FDA 7.7 pm,mor 192 mim arid'Mirka
19 iimma"YNammSAALY