NC0073679_Renewal (Application)_20171106

WorerResuurces
ENVIRD"MENTAL QUALITY
November 06, 2017
Shannon V. Becker, President
Aqua North Carolina Inc
202 Mackenan Ct
Cary, NC 27511
Subject: Permit Renewal
Application No. NCO073679
Oak Hollow WTP
Wake County
Dear Applicant:
ROY COOPER
cove►nar
MICHAEL S. REGAN
Searr©ry
S. JAY ZIMMERMAN
Olt -faun
The Water Quality Permitting Section acknowledges the October 31, 2017 receipt of your permit renewal application
and supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW
permitting branch. Per G.S. 15013-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit.
The permit writer will contact you if additional information is required to complete your permit renewal. Please respond
in a timely manner to requests for additional information necessary to allow a complete review of the application and
renewal of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https•//deq nc gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,
4ren Thedford
Administrative Assistant
Water Quality Permitting Section
cc: Central Files w/application(RRO)
ec: WQPS Laserfiche File w/application
State of North Carolina i Environmental Quality I Water Resources
1617 Mail Servgce Center I Raleigh, North Carolina 27699-1617
919-807-6300

AQUA.
October 25, 2017
Nathaniel Thornburg
NCDENR/DWQ/NPDES
1617 Mail Service Center
Raleigh, NC 27699-0167
Re Oak Hollow WTP
Permit Renewal Application
Permit # NCO073679
Wake County
RECEIVED/NCDEWWR
OCT 3 12017
Water Quality
Permitting Section
Enclosed you'll find our application for renewal of our NPDES Permit and
required documentation.
Should you need any additional information or assistance please feel free
to contact Deb Watkins [phone] [e-mail]
Sincerely,
4�� ,--Z 4,C,4
Shannon Becker
President
Aqua North Carolina, Inc.

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 Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number INCO073679
If you are completing this form in computer use the TAB key or the up — down arrows to moue from one
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
Facility Name
Mailing Address
City
State / Zip Code
Telephone Number
Fax Number
e-mail Address
AQUA NORTH CAROLINA, INC
OAK HOLLOW
202 MACKENAN COURT
CARY
NORTH CAROLINA 27511
[phone]
[phone]
[e-mail]
2. Location of facility producing discharge:
Check here if same as above ❑
Street Address or State Road
City
State / Zip Code
County
OFF NC HIGHAY 42 NEAR MOUNT PLEASANT
RALEIGH
NORTH CAROLINA
WAKE
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name AQUA NORTH CAROLINA, INC.
Mailing Address 202 MACKENAN COURT
City CARY
State / Zip Code NORTH CAROLINA 27511
Telephone Number [phone]
Fax Number [phone]
4. Ownership Status:
Federal ❑ State ❑
5. Type of treatment plant:
Private
Public ❑
Page 1 of 3 C-WTP 03/05

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
❑ Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by
filtration and disinfection)
❑ Ion Exchange (Sodium Cycle Cationic ion exchange)
® 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
7. Describe the treatment process(es) for the raw water:
Chlorination
Three (3) greensand filter unit
Phosphate
Caustic for PH control
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
Three (3) greensand filter unit
Calcium thiosulfate (Dechlorination)
2" outfall pipe
9. Number of separate discharge points: 1
Outfall Identification number(s) 001
10. Frequency of discharge: Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs 3 Day Duration: 12 minutes
11. Plant design potable flowrate .018 MGD
Backwash or reject flow .00072 MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
Unnamed tributary to Middle Creek in the Neuse River Basin
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Page 2 of 3 C-WTP 03/05

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Chlorine
Phosphate
Calcium Thiosulfate
Caustic Soda
Bennefloc
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.
Solids Handling Plan
16. NEW Applicants
Information needed in addition to items 1-1 S.
New applicants must contact a permit coordinator with the NCDENR Customer
Service Center.
Was the Customer Service Center contacted? ❑ Yes ❑ No
Analyses of source water collected
Engineering Alternative Analysis
Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a
water quality model.
17. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
Shannon V Becker President & COO
Printed name of Person Signing Title
J/�n....� ✓ 1 \, A
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 regulations of the Environmental Management Commission
implementing that Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or
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)
Page 3 of 3
C-WTP 03/05

K4ifL")AV
�
NCEN
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Pat McCrory Charles Wakild, P.E.
Governor Director
May 17, 2013
Mr. Thomas J. Roberts, President
Aqua North Carolina, Inc.
202 MacKenan Court
Cary, NC 27511
John E. Skvarla, III
Secretary
Subject: Issuance ofNPDES PermitNCO073679
Aqua North Carolina, Inc. — Oak Hollow Subdivision WTP
Wake County
Dear Mr. Roberts:
Division personnel have reviewed and approved your application for renewal of the subject permit.
Accordingly, we are forwarding the attached NPDES discharge permit. This permit is issued pursuant
to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between North Carolina and the U.S. Environmental Protection Agency dated October 15, 2007 (or as
subsequently amended).
This final permit includes one significant change to its terms from those found in the draft permit sent to
you on March 27, 2013. This change is:
e Reporting of Total Kjeldahl Nitrogen and Nitrites + Nitrates concentrations have been removed from
the permit.
If any parts, measurement frequencies or sampling requirements contained in this permit are
unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty
(30) days following receipt of this letter. This request must be in the form of a written petition,
conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings (6714 Mail Service Center, Raleigh, North Carolina 27699-6714). Unless
such demand is made, this decision shall be final and binding.
Please note that this permit is not transferable except after notice to the Division. The Division may
require modification or revocation and reissuance of the permit. This permit does not affect the legal
requirements to obtain other permits which may be required by the Division of Water Quality or permits
required by the Division of Land Resources, the Coastal Area Management Act or any other Federal or
Local governmental permit that may be required.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location 512 N. Salisbury St. Raleigh, North Carolina 27604 Nont
N& hCarolina
Phone; 919.807-63001 FAX, 919 07-6492 ry yr l
Internet www.ncwaterquality.org AIS h ably
An Equal Opportunity 1 Affirmallve Action Employer

Mr. Thomas J. Roberts
NC0073679 Permit Renewal 2013
p. 2
If you have any questions concerning this permit, please contact Bob Sledge at telephone number (919)
807-6398, or via e-mail at bob, [e-mail].
cc r ly,
Charles Wakild, P E.
cc: Central Files
Raleigh Regional Office/Surface Water Protection Section
NPDES File

Permit NC0073679
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended,
Aqua North Carolina, Inc.
is hereby authorized to discharge wastewater from a facility located at the
Oak Hollow Subdivision WTP
Off NC highway 42 near Mount Pleasant
Wake County
to receiving waters designated as an unnamed tributary to Middle Creek in the Neuse River Basin in
accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
The permit shall become effective July 1, 2013.
This permit and the authorization to discharge shall expire at midnight on April 30, 2018.
Signed this day May 13, 2013.
0,; � G
�/ 2 ,
Chi alcild, P.E., Director
'� 'sion of Water Quality
By Authority of the Environmental Management Commission

Permit NCO073 679
SUPPLEMENT TO PERMIT COVER SHEET
-- previ6ns NPDES Permits -issued to this facility; w-lietli6r f6r opefati,6n 6r discharge ar6 hef6by
revolted. As of this permit issuance, any previously issued permit bearing this number is no longer
effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the
permit conditions, requirements, terms, and provisions included herein.
Aqua North Carolina, Inc.
is hereby authorized to:
1. Continue to discharge wastewater from a Greensand filter water treatment plant, with additional
wastewater treatment provided by a tablet dec7ilofinator and a final sand bed filter prior to dichdrge: ---
--- This facility is located at the Oak Hollow Subdivision Watdr Treatment Plant, off NC Highway 42,, "
near Mount Pleasant, in Wake County.
2. Discharge at the location specified on the attached map into an unnamed tributary to Middle Creels,
classified C -NSW waters in the Neuse River Basin.

Permit NC0073679
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Aqua North Carolina, Inc.
Oak Hollow Subdivision WTP
USGS Quad Angier Stream Class, C, NSW
Latitude, 350 35' 25" N Subbasin• 030403
Longitude: 78e 40' 35" W Receiving Stream. UT to Middle Creek
Facility
Location r'
NPDES Permit NCO073679
North Wake Count

Permit NCO073679
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL
During the period beginning on the effective date of the permit and lasting -until expiration, the Permittee
is authorized to discharge filter backwash from outfall 001. Such discharges shall be limited and
monitored by the Permittee as specified below:
'EFFLUENT•CHARA_ CTERISTICS°;`r
"- L' IMITS'
MON I_TORING;REQUIREM'ENTS',, -
Pa"remeter,Code=
Monthly
Average-
,`Daily
Maxitnurii
Measurement,
,,`Frequency` �;T,ype;�:,-
Sample'
;;Sample:'''
'Location
Flow 50050
2/Month
Estimatel
Effluent
Total Suspended Solids (TSS) C0310
30.0 mg/L
45.0 mg/L
2/Month
Grab
Effluent
_pH 00400
6.0 and < 9.0 standard
> — units
_ 2/Month
Grab
Effluent
Total Residual Chlorine2 50060
17 tag/L
2/Month
Grab
Effluent
Turbidity 00070
Monitor & Report
2/Month
Grab
Effluent
Total Iron 01045
Monitor & Report
Quarterly
Grab
Effluent
Total Manganese 01055
Monitor & Report
Quarterly
Grab
Effluent
Total Nitrogen (TN)3 C0600
Monitor & Report (mg/L)
Semi-annually
Calculated
Effluent
Total Phosphorus (TP) C0665
Monitor & Report (mg/L)
Semi-annually
Grab
Effluent
Footnotes:
1. Daily flow estimates are determined by the number and duration of backwash/rinse events.
2. The Division shall consider all effluent TRC values reported below 50 µg/L, to be in compliance with the
permit. However, the Permittee shall continue to record and submit all values report6d by a North Carolina
certified laboratory (including field certified), even if these values fall below 50 gg/L.
3. For a given wastewater sample, TN = (NO2-N + NO3-N) + TKN, where TN is Total Nitrogen, (NO2-N +
NO3-N) is Nitrite/Nitrate Nitrogen, and TKN is Total Kjeldahl Nitrogen.
All samples collected should be from a representative discharge event.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

ACCQ55
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AOUA
North Carolina..
Aqua North Carolina, Inc, T 919.467 8712
902 Mackenan Ct F: 919.466.1583
Carp, NC 27511 wmA.aquanorthcarohna.com
SLUDGE MANAGEMENT NT PLA.L V
For
Aqua North Carolina, Inc,
No sludge will be treated on any wastewater treatment plant site operated
by Aqua N. C., Central Division.
Where practical, sludge removed from a Aqua N.C., Central Division
facility will be transported via a contract hauler to another Aqua N.C.,
Central Division facility for the purpose of "seeding" a new or under loaded
plant
Unusable (or "dead") sludge will be removed by a contract hauler and
properly disposed of in accordance with NCGS 143-215.1. Contract
,haulers used by Aqua N. C., Central Division will be required to report the
quantity of sludge transported and identify, the location of the proposed
disposal site if the sludge is not taken to an existing plant operated by Aqua
N.C., Central Division, Aqua N.C., Central Division has not entered into
any agreement to accept sludge into its facilities from plants not owned by
them..
Aqua N.C., Central Division will keep records on the quantity of sludge
removed from each facility, the name of the contract hauler, and the
destl=tion of the sludge (whether used in another plant or disposed of).
The information will be kept on file and will be made available to any
regulatory, agency having jurisdiction over sludge treatment or disposal.
Aqua N.C., Central Division includes facilities under the jurisdiction of the
Raleigh, Wilmington and Fayetteville Regional Offices.