NCG590003_Renewal (Application)_20240106

RECEIVED
EPA Identification Number NPDES Permit Number Facility Name FQQrIn Apprsved 03/0 /19
110009841895 NCG590003 P.W.Swann WTP JF'CIMBryog006r�
Form U.S.Environmental Protection Agency
1 \=.EPA Application for NPDES Permit to Discharge 1Na D Q/DWR/NPDES
NPDES GENERAL INFORMATION
SECTION 1.ACTIVITIES REQUIRING AN NPDES PERMIT(40 CFR 122.21(f)and(f)(1))
1.1 Applicants Not Required to Submit Form 1
Is the facility a new or existing publicly owned Is the facility a new or existing treatment works
1.1.1 12
treatment works? 1. . treating domestic sewage?
If yes,STOP.Do NOT complete 0 No If yes,STOP.Do NOT 0 No
Form 1.Complete Form 2A. complete Form 1.Complete
Form 2S.
1.2 Applicants Required to Submit Form 1
1.2.1 Is the facility a concentrated animal feeding 1.2.2 Is the facility an existing manufacturing,
operation or a concentrated aquatic animal commercial,mining,or silvicultural facility that is
o. production facility? currently discharging process wastewater?
o ❑ Yes 4 Complete Form 1 EI No E Yes 4 Complete Form ❑ No
a and Form 2B. 1 and Form 2C.
0 1.2.3 Is the facility a new manufacturing,commercial, 1.2.4 Is the facility a new or existing manufacturing,
mining,or silvicultural facility that has not yet commercial,mining,or silvicultural facility that
commenced to discharge? discharges only nonprocess wastewater?
Yes 4 Complete Form 1 0 No El Yes 4 Complete Form 0 No
43)
cc and Form 2D. 1 and Form 2E.
1.2.5 Is the facility a new or existing facility whose
•— discharge is composed entirely of stormwater RECEIVED
associated with industrial activity or whose
discharge is composed of both stormwater and
non-stormwater? JAN 0 8 2024
Yes 4 Complete Form 1 �✓ No
and Form 2F
unless exempted by NCDEQ/DWR/NPDES
40 CFR
122.26(b)(14)(x)or
b 15 .
SECTION 2.NAME,MAILING ADDRESS,AND LOCATION(40 CFR 122.21(f)(2))
2.1 Facility Name
P.W.Swann Water Treatment Plant
O 2.2 EPA Identification Number
U
o N/A
03 2.3 Facility Contact
cn-
Name(first and last) Title Phone number
Alan Fowler Water Treatment Superintendent [phone]
j Q
c Email address
[e-mail]
2
2.4 Facility Mailing Address
Street or P.O.box
P.O.Box 2511
City or town State ZIP code
Winston-Salem NC 27102-2511
EPA Form 3510-1(revised 3-19) Page 1

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110009841895 NCG590003 P.W.Swann WTP OMB No.2040-0004
H7, 2.5 Facility Location
a . Street,route number,or other specific identifier
Q U 2800 River Ridge Road
rn
c o County name County code(if known)
Forsyth
0
_j City or town State ZIP code
z Pfafftown NC 27040
SECTION 3.SIC AND NAICS CODES(40 CFR 122.21(f)(3))
3.1 SIC Code(s) Description(optional)
4941 Conventional Water Treatment Plant
fA
(1)
a
0
U
U)
U
3.2 NAICS Code(s) Description(optional)
`o 221310 Conventional Water Treatment Plant
N
SECTION 4.OPERATOR INFORMATION(40 CFR 122.21(f)(4))
4.1 Name of Operator
Garrett Meier
0 4.2 Is the name you listed in Item 4.1 also the owner?
c ❑ Yes 0 No
4.3 Operator Status
❑ Public—federal ❑ Public—state tEl Other public(specify)Municipally Owne
o ❑ Private ❑ Other(specify)
4.4 Phone Number of Operator
[phone]
4.5 Operator Address
Street or P.O. Box
E 2800 River Ridge Road
o
c City or town State ZIP code
`o o Pfafftown NC 27040
U
o. Email address of operator
[e-mail]
SECTION 5.INDIAN LAND(40 CFR 122.21(f)(5))
5.1 Is the facility located on Indian Land?
C ❑Yes ❑ No
EPA Form 3510-1(revised 3-19) Page 2
L

EPA Iden ificati n Number NPDES PermitNumber Fa
cility ryName Form Approved 03/05/19
110009841895 NCG590003 P.W.Swann WTP OMB No.2040-0004
SECTION 6.EXISTING ENVIRONMENTAL PERMITS(40 CFR 122.21(f)(6))
6.1 Existing Environmental Permits(check all that apply and print or type the corresponding permit number for each)
❑✓ NPDES(discharges to surface ❑ RCRA(hazardous wastes) ❑ UIC(underground injection of
o water) fluids)
NCG590003
w a ❑ PSD(air emissions) ❑ Nonattainment program(CM) ❑ NESHAPs(CM)
cn
❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section 404) ❑✓ Other(specify)
WQ0031314 _ _
SECTION 7.MAP(40 CFR 122.21(f)(7))
7.1 Have you attached a topographic map containing all required information to this application?(See instructions for
specific requirements.)
E Yes ❑ No ❑ CAFO—Not Applicable(See requirements in Form 2B.)
SECTION 8.NATURE OF BUSINESS(40 CFR 122.21(f)(8))
8.1 Describe the nature of your business.
The P.W.Swann WTP is a municipally owned and operated conventional drinking water treatment plant.This plant
uses aluminum sulfate as the primary coagulant,sodium hydroxide for pH adjustment,sodium hypochlorite for
disinfection,fluoride for dental health and zinc orthophosphate to prevent pipe corrosion.The process includes
coagulation,flocculation,sedimentation,filtration and the post chemical addition noted above.
as
See attached process diagram and description for additional detailed information for the production of drinking
water and waste management system of the facility.
Ca
SECTION 9.COOLING WATER INTAKE STRUCTURES(40 CFR 122.21(f)(9))
9.1 Does your facility use cooling water?
❑ Yes ❑ No 4 SKIP to Item 10.1.
9.2 Identify the source of cooling water.(Note that facilities that use a cooling water intake structure as described at
a, 40 CFR 125,Subparts I and J may have additional application requirements at 40 CFR 122.21(r).Consult with your
o Y NPDES permitting authority to determine what specific information needs to be submitted and when.)
H
1 .VARIANCE REQUESTS(40 CFR 122.21(f)(10))
SECTION 0 Q
10.1 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(m)?(Check all that
apply.Consult with your NPDES permitting authority to determine what information needs to be submitted and
when.)
❑ Fundamentally different factors(CWA ❑ Water quality related effluent limitations(CWA Section
Section 301(n)) 302(b)(2))
❑ Non-conventional pollutants(CWA ❑ Thermal discharges(CWA Section 316(a))
(13
Section 301(c)and(g))
❑✓ Not applicable
EPA Form 3510-1(revised 3-19) Page 3

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110009841895 NCG590003 P.W.Swann WTP OMB No.2040-0004
SECTION 11.CHECKLIST AND CERTIFICATION STATEMENT(40 CFR 122.22(a)and(d))
11.1 In Column 1 below, mark the sections of Form 1 that you have completed and are submitting with your application.
For each section,specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note
that not all applicants are required to provide attachments.
Column 1 Column 2
El Section 1:Activities Requiring an NPDES Permit ❑ wl attachments
0 Section 2:Name,Mailing Address,and Location ❑ wl attachments
CI Section 3:SIC Codes ❑ wl attachments
❑� Section 4:Operator Information ❑ w/attachments
El Section 5: Indian Land 0 wl attachments
ID Section 6:Existing Environmental Permits 0 wl attachments
d ❑r Section 7: Map wl topographic
❑ map ❑ w/additional attachments
cn
c ❑✓ Section 8:Nature of Business ❑✓ w/attachments
t
❑✓ Section 9:Cooling Water Intake Structures ❑ wl attachments
-a
❑✓ Section 10:Variance Requests 0 wl attachments
;n ❑ Section 11:Checklist and Certification Statement 0 w/attachments
11.2 Certification Statement
I 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. I am aware that there are significant penalties for submitting false information,
including the possibility of fine and imprisonment for knowing violations.
Name(print or type first and last name) Official title
Courtney L.Driver Utilities Director
Signature Date signed
la10-04
RECEIVED
JAN 0 8 2024
NCDEQ/DWR/NPDES
EPA Form 3510-1(revised 3-19) Page 4

Section 6: Existing Environmental Permits
NPDES Permit NCG590003
Land Application permit WQ0031314

Permit NCG590000
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
GENERAL PERMIT NO. NCG590000 -Water Treatment Plant Dischargers
TO DISCHARGE BACKWASH WASTEWATERS FROM
GREENSAND AND CONVENTIONAL TYPE WATER TREATMENT FACILITIES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
INPDES)
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,this permit is hereby issued to all
owners or operators,hereafter pern ittees, which are covered by this permit as evidenced by receipt of a
Certificate of Coverage from the Environmental Management Commission to allow the discharge of
treated wastewaters from iron and manganese removal processes and similar wastewaters; and water
purification facilities with filter backwash, sedimentation basin washdown, and decant from water
treatment in accordance with the effluent limitations, monitoring requirements, and other conditions set
forth in Parts I, II,and III hereof.
This permit shall become effective August 1,2019.
This permit shall expire at midnight on July 31,2024.
Signed this day July 31,2019.
Linda Culpepper,Director
Tor Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 33

Permit NCG590000
PART I.
SECTION A. Coverage
1. Eligibility of Coverage
a. Existing Greensand Water Treatment Plants(WTPs)with individual NPDES permits and new
facilities seeking an NPDES permit for a greensand water purification system utilizing Iron
and/or Manganese removal systems are eligible for coverage under this general permit.
Backwash wastewaters from similar activities such as sand filtration or systems utilizing calcite
filtration are eligible and covered under the Greensand WTP effluent requirements section in this
general permit.
b. Existing Conventional WTPs with a wastewater discharge resulting from water purification
facilities with filter backwash, sedimentation basin washdown, and decant from water treatment
facilities are eligible for coverage under this general permit.
2. Limitations on Coverage
a. Although this general permit does not cover the following types of discharges,other permits
such as an individual NPDES permit,an alternate general permit,or other approval from the
Division may be obtained.This permit does not authorize discharges from Water Treatment
Plants with the following:
• Discharges that are mixed with other process wastewaters.
• Discharges to waters classified as High Quality Waters(HQW)or Outstanding Resource
Waters(ORW).
• Discharges from water purification systems using Membrane Treatment(Reverse Osmosis)
or Ion Exchange.
• Discharges that would adversely affect a Federal or State listed endangered or threatened
species or its critical habitat.
• Discharges of pollutants to an impaired waterbody in excess of the wasteload allocation
specified in an EPA-Approved TMDL(Total Maximum Daily Load).
• Discharges from new Conventional WTPs proposing a discharge to surface waters.
b. New Conventional WTPs proposing a discharge to surface waters shall be covered under an
individual permit for at least one permit cycle.Upon permit renewal, if an evaluation of the
facility's wastewaters shows no need for additional limitations or requirements beyond what is
contained in this general permit,then the permittee will be considered for coverage.
c. Conventional WTPs proposing to expand existing facilities shall submit a Notice of Intent(NOI)
permit application with the proposed expansion/treatment details and an Engineering Alternative
Analysis for Division review and approval in order to obtain coverage for the expansion under
this permit and receive a revised Certificate of Coverage(CoC).
d. This permit does not authorize discharges that the Division has determined to be or which may
reasonably be expected to be contributing to a violation of a water quality standard(as defined in
the"Red Book"or NC Administrative Code 15A NCAC 02B .0100, .0200, and .0300).
Page 2 of 33

Permit NCG590000
e. If the Division determines at any time that the discharge is causing or contributing to a violation
of water quality standards or if the Division has any other grounds for modifying or revoking this
permit,the Division may require corrective action or require the discharge be permitted
differently in accordance with Part II, Section B of this permit. The Division may deny coverage
under this permit and require submittal of an application for an individual NPDES permit based
on a review of the Notice of Intent(NOI) or other information.
f. Whole Effluent Toxicity(WET)test results for the past three years shall be reviewed for existing
or expanding Conventional WTPs applying for coverage under this general permit. Permittees
with WET test results showing potential for aquatic toxicity may be denied coverage under this
general permit which includes a WET limitation of"Pass".
3. Transfer Coverage from Other Permits
Upon issuance of this general permit, all existing and active individual permits for Greensand and
Conventional type WTPs will automatically be considered for coverage under this general permit as
permit renewal applications are received.
Page 3 of 33

Permit NCG590000
SECTION B.(1) Greensand WTP Effluent Limitations and Monitoring Requirements—
Discharges to Freshwater
[15A NCAC 02B .0400 et seq.,02B .0500 et seq]
During the period beginning on the effective date of the permit and lasting until expiration,the Permittee
is authorized to discharge wastewaters from iron and manganese removal type systems for the purpose
of water purification to the receiving waters. Such discharges shall be limited and monitored by the
Permittee as specified below:
PARAMETER EFFLUENT LIMITS MONITORING REQUIREMENTS
Parameter codes Monthly Daily Measurement Sam le Type Sample
Average Maximum 2 Frequency p yp Location
Flow(MGD)3 50050 Monitor&Report 2/Month Instantaneous Effluent
or Estimate
30.0 mg/I 45.0 mg/L
Total Suspended Solids" C0530 (Exception: (Exception: 2/Month Grab Effluent
Trout Waters) Trout Waters)
Total Residual Chlorine 5 50060 17 pg/L 2/Month Grab Effluent
50 NTU
(Exception:
Turbidity 5 00070 Trout Waters, Monthly Grab Effluent
Lakes,&
Reservoirs)
pH 00400 6.0 s.u.s pH Monthly Grab Effluent
s 9.0 s.u.
Total Manganese 7(pg/L) 01055 Monitor&Report Quarterly Grab Effluent
Total Zinc a(pg/L) 01092 Monitor&Report Quarterly Grab Effluent
Total Fluoride 9(pg/L) 00951 Monitor&Report Quarterly Grab Effluent
Total Nitrogen(TN)10 C0600 Monitor&Report Quarterly Grab Effluent
(mg/L)
Total Phosphorus(TP)10 C0665 Monitor&Report Quarterly Grab Effluent
(mg/L)
Hardness—Total as
[CaCO3 or(Ca+Mg)]11 00900 Monitor&Report Quarterly Grab Effluent
(mgn-)
Hardness—Total as
[CaCO3 or(Ca+Mg)]12,13 00900 Monitor&Report Quarterly Grab Upstream
(mg/L)
Footnotes:
1. The permittee shall submit discharge monitoring reports electronically using the NC DWR's eDMR
application system[see Section C.J.
2. Daily Maximum limits apply to all permittees.More stringent limitations apply to discharges to Trout and
Water Supply(WS)Waters,Lakes,and Reservoirs as noted above and detailed in the footnotes below.
Refer to the Certificate of Coverage(CoC)for receiving stream classifications.
3. For instantaneous flow monitoring,the duration of the discharge must be reported in addition to the total
flow.
4. TSS:Permittees discharging to Trout waters shall not exceed a monthly average of 10 mg/L and a daily
maximum limit of 15 mg/L.
Page 4 of 33

Permit NCG590000
5. TRC:Limit and monitoring requirements only apply if the facility adds chlorine or chlorine derivatives to
water that is eventually discharged.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 reported by a North Carolina certified laboratory(including field certified),even if these values
fall below 50 µg/L.
6. Turbidity: The Turbidity Daily Maximum effluent limit is 10 NTU for Trout waters and 25 NTU for
Lakes and Reservoirs not designated as trout waters.
7. Total Manganese:This sampling requirement does not apply to backwash from calcite filtration or similar
systems which are not designed for manganese removal and are not blended with other WTP wastewaters,
or discharges that are not into water supply(WS)waters.
8. Total Zinc:This requirement applies only to wastewater discharges from plants that use water treated
with zinc orthophosphate for backwashing filters.
9. Total Fluoride:This requirement applies only to wastewater discharges from plants that backwash with
fluoridated finished water.
10. TN&TP shall be monitored by facilities discharging to NSW waters.TN=TKN+NO3-N+NO2-N,
where TKN is Total Kjeldahl Nitrogen and NO3-N+NO2-N are Nitrate and Nitrite Nitrogen,
respectively.Refer to the Certificate of Coverage(CoC)for receiving stream classifications.
11. Effluent hardness sampling should be performed in conjunction with testing for hardness dependent
metals(cadmium,copper,lead,nickel,silver,and zinc).
12. The Permittee shall sample instream hardness,upstream of the facility's discharge.The sample shall be
representative of the hardness in the receiving stream.If the Permittee is a member of the Monitoring
Coalition Program,sampling for instream hardness may be waived as long as the Monitoring coalition
agrees to sample hardness at the nearest upstream location,at a minimum frequency of quarterly,and the
Permittee has obtained approval from DWR-NPDES Permitting Unit that the upstream station being
monitored by the Coalition is representative of the receiving stream for this discharge.The Permittee is
responsible for submitting instream hardness test results with its permit renewal application package.If
Coalition membership is cancelled or the Coalition terminates instream hardness sampling at the
approved station,the Permittee will immediately notify the Division and resume sampling for instream
hardness,upstream of its discharge.
13. If sampling upstream is not feasible,a waiver for the upstream hardness sampling may be requested by
the permittee from DWR. ,
SAMPLES SHALL BE TAKEN AT THE OUTFALL BUT PRIOR TO MIXING WITH THE
RECEIVING WATERS.
TIIFRE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR FOAM IN OTHER THAN TRACE
AMOUNTS.
Page 5 of 33

Permit NCG590000
SECTION B. (2) Greensand WTP Effluent Limitations and Monitoring Requirements—
Discharges to Saltwater
[15A NCAC 02B .0400 et seq., 02B .0500 et seq]
During the period beginning on the effective date of the permit and lasting until expiration,the Permittee
is authorized to discharge wastewaters from iron and manganese removal type systems for the purpose
of water purification to the receiving waters. Such discharges shall be limited and monitored by the
Permittee as specified below:
PARAMETER EFFLUENT LIMITS MONITORING REQUIREMENTS
Monthly 1 Daily Measurement Sample
Parameter codes Sample Type
Average I Maximum 2 Frequency pLocation
Flow(MGD)3 50050 Monitor&Report 2/Month Instantaneous Effluent
or Estimate
Total Suspended Solids C0530 30.0 mg/1 45.0 mg/L 2/Month Grab Effluent
Total Residual Chlorine a 50060 13 pg1L 21 Month GrabEffluent
pH 00400 6.8 s.u.<—pH Monthly Grab Effluent
s8.5s.u. _
Turbidity 00070 25 NTU Monthly Grab • Effluent
Total Manganese 5(pg/L) 01055 Monitor&Report Quarterly Grab Effluent
Total Zinc 6(pg/L) 01092 Monitor&Report Quarterly Grab Effluent
Total Nit en(TN r m_g/L) C0600 Monitor&Report Quarterly Grab Effluent
Total Phosphorus(TP)' C0665 Monitor&Report Quarterly Grab Effluent
(mg/L)
Footnotes:
1. The permittee shall submit discharge monitoring reports electronically using the NC DWR's eDMR
application system [see Section C.].
2. Daily Maximum limits apply to all permittees.
3. For instantaneous flow monitoring, duration of discharge must be reported in addition to the total flow.
4. TRC: Limit and monitoring requirements only apply if the facility adds chlorine or chlorine derivatives to
water that is eventually discharged. 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 reported by a North Carolina certified laboratory(including field certified),even if these values
fall below 50 pig/L.
5. Total Manganese:This sampling requirement does not apply to backwash from calcite filtration,or
similar systems not designed for manganese removal and are not blended with other WTP wastewaters.
6. Total Zinc:This requirement applies only to wastewater discharges from plants that use water treated
with zinc orthophosphate for backwashing filters.
7. TN&TP shall be monitored by facilities discharging to NSW waters.TN=TKN+NO3-N+NO2-N,
where TKN is Total Kjeldahl Nitrogen and NO3-N+NO2-N are Nitrate and Nitrite Nitrogen,
respectively.Refer to the Certificate of Coverage(CoC) for receiving stream classifications.
SAMPLES SHALL BE TAKEN AT THE OUTFALL BUT PRIOR TO MIXING WITH THE
RECEIVING WATERS.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR FOAM IN OTHER THAN TRACE
AMOUNTS.
Page 6 of 33

Permit NCG590000
SECTION B. (3) Conventional WTP Effluent Limitations and Monitoring Requirements-
Discharaes to Freshwater
[15A NCAC 02B .0400 et seq., 02B .0500 et seq]
During the period beginning on the effective date of the permit and lasting until expiration,the Permittee
is authorized to discharge treated wastewaters from filter backwash, sedimentation basin washdown, and
decant from water treatment facilities to the receiving waters. Such discharges shall be limited and
monitored ' by the permittee as specified below:
PARAMETER EFFLUENT LIMITS MONITORING REQUIREMENTS
Parameter codes Monthly Daily Measurement Sam le T e Sample
Average Maximum 2 Frequency p Location
Flow(MOD)3 50050 Monitor&Report See footnote 3 See footnote 3 Effluent
30.0 mg/I 45.0 mg/I
Total Suspended Solids 4 C0530 (Exception: (Exception: 2/Month Grab Effluent
Trout Waters) Trout Waters)
Total Residual Chlorine 5 50060 17 pg/L 2/Month Grab Effluent
pH 00400 6.0 s.u.s pH s Monthly Grab Effluent
9.0 s.u.
50 NTU
(Exception:
Turbidity 6 00070 Trout Waters, Monthly Grab Effluent
Lakes,&
Reservoirs)
Total Aluminum 7(pg/L) 01105 Monitor&Report Quarterly Grab Effluent
Total Copper(pg/L) 01042 Monitor&Report Quarterly Grab Effluent
Total Zinc 8(pg/L) 01092 Monitor&Report Quarterly Grab Effluent
Total Fluoride 9(pg/L) 00951 Monitor&Report Quarterly Grab Effluent
Total Manganese 10(Ng/L) Monitor&Report Quarterly Grab Effluent
Ammonia Nitrogen" C0610 Monitor&Report Quarterly Grab Effluent
(mg/L)
Total Nitrogen(TN)12 C0600 Monitor&Report Quarterly Grab Effluent
(mg/L)
Total Phosphorus(TP)12 C0665 Monitor&Report Quarterly Grab Effluent
(mg/L)
Hardness-Total as
[CaCO3 or(Ca+Mg)]13 00900 Monitor&Report Quarterly Grab Effluent
(mglL) ,
Hardness-Total as
[CaCO3 or(Ca+Mg)]14,15 00900 Monitor&Report Quarterly Grab Upstream
(mg/L)
Whole Effluent Toxicity 16 Pass Annually Grab Effluent
Footnotes:
1. The permittee shall submit discharge monitoring reports electronically using the NC DWR's eDMR
application system[see Section C.].
2. Daily Maximum limits apply to all permittees.More stringent limitations apply to discharges to Trout and
Water Supply(WS)Waters,Lakes,and Reservoirs as noted above and detailed in the footnotes below.
Refer to the Certificate of Coverage(CoC)for receiving stream classifications.
Page 7 of 33

Permit NCG590000
3. Flows<0.05 MGD shall sample Twice per Month and can estimate or use instantaneous flow
monitoring.For instantaneous flow monitoring,the duration of the discharge must be reported on the
DMR in addition to the total flow.
Flows>0.05 MGD shall continuously record the effluent discharge.Facilities shall use the design
discharge flow as the flow value.Facilities without a design discharge flow shall define flow using the
maximum value of all the monthly average discharge flows recorded during the past three years. Facilities
proposing an expansion shall determine a maximum design wastewater discharge flow value as part of the
facility design.
4. TSS: Permittees discharging to Trout waters shall not exceed a monthly average of 10 mg/L and a daily
maximum limit of 15 mg/L.
5. TRC: Limit and monitoring requirements only apply if the facility adds chlorine or chlorine derivatives to
water that is eventually discharged.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 reported by a North Carolina certified laboratory(including field certified),even if these values
fall below 50 µg/L.
6. Turbidity: The Turbidity Daily Maximum effluent limit is 10 NTU for Trout waters and 25 NTU for
Lakes and Reservoirs not designated as trout waters.
7. Total Aluminum: This requirement applies only to wastewater discharges from plants that use an
aluminum-based coagulant.
8. Total Zinc: This requirement applies only to wastewater discharges from plants that use backwash water
treated with zinc orthophosphate.
9. Total Fluoride:This requirement applies only to wastewater discharges from plants that backwash with
fluoridated finished water.
10. Total Manganese: This requirement applies only to wastewater discharges into water supply(WS)waters.
11. Ammonia Nitrogen: This requirement applies only to wastewater discharges from plants that use water
treated with chloramines(add ammonia to chlorinated water)for backwashing.
12. TN&TP shall be monitored by facilities discharging to NSW waters or facilities with a discharge flow>
0.05 MGD.TN=TKN+NO3-N+NO2-N,where TKN is Total Kjeldahl Nitrogen and NO3-N+NO2-N
are Nitrate and Nitrite Nitrogen, respectively.
13. Effluent hardness sampling should be performed in conjunction with testing for hardness dependent
metals(cadmium, copper,lead,nickel, silver,and zinc).
14. The Permittee shall sample instream hardness, upstream of the facility's discharge. The sample shall be
representative of the hardness in the receiving stream. If the Permittee is a member of the Monitoring
Coalition Program, sampling for instream hardness may be waived as long as the Monitoring coalition
agrees to sample hardness at the nearest upstream location, at a minimum frequency of quarterly,and the
Permittee has obtained approval from DWR-NPDES Permitting Unit that the upstream station being
monitored by the Coalition is representative of the receiving stream for this discharge. The Permittee is
responsible for submitting instream hardness test results with its permit renewal application package. If
Coalition membership is cancelled or the Coalition terminates instream hardness sampling at the
approved station,the Permittee will immediately notify the Division and resume sampling for instream
hardness,upstream of its discharge.
15. If sampling upstream is not feasible,a waiver for the upstream hardness sampling may be requested by
the permittee from DWR.
16. Whole Effluent Toxicity testing shall be performed once per calendar year. See Section D.
SAMPLES SHALL BE TAKEN AT THE OUTFALL BUT PRIOR TO MIXING WITH THE
RECEIVING WATERS.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR FOAM IN OTHER THAN TRACE
AMOUNTS.
Page 8 of 33

Permit NCG590000
SECTION B. (4) Conventional WTP Effluent Limitations and Monitoring Requirements -
Discharges to Saltwater
[15A NCAC 02B .0400 et seq., .0500 et se
e9 , q]
During the period beginning on the effective date of the permit and lasting until expiration,the Permittee
is authorized to discharge treated wastewaters from filter backwash, sedimentation basin washdown, and
decant from water treatment facilities to the receiving waters. Such discharges shall be limited and
monitored by the permittee as specified below:
PARAMETER EFFLUENT LIMITS MONITORING REQUIREMENTS
Parameter codes Monthly Daily Measurement Sam le Type Sample
Average Maximum 2 Frequency p yp Location
Flow(MGD)3 50050 Monitor&Report See footnote 3 See footnote 3 Effluent
Total Suspended Solids C0530 30.0 mg/I 45.0 mg/I 2/Month Grab Effluent
Total Residual Chlorine 4 50060 13 pg/L 2/Month Grab Effluent
pH 00400 6.8 s.u.s pH Monthly Grab Effluent
s8.5s.u.
Turbidity 00070 25 NTU Monthly Grab Effluent
Total Aluminum 5(pg/L) 01105 Monitor&Report Quarterly Grab Effluent
Total Copper(pg/L) 01042 Monitor&Report Quarterly Grab Effluent
Total Zinc 6(pg/L) 01092 Monitor&Report Quarterly Grab Effluent
Ammonia Nitrogen 7(mg/L) C0610 Monitor&Report Quarterly Grab _Effluent
Total Nitrogen(TN)6(mg/L) C0600 Monitor&Report Quarterly Grab Effluent
Total Phosphorus(TP)8 C0665 Monitor&Report Quarterly Grab Effluent
(mg/L)
Whole Effluent Toxicity 9 Pass Annually Grab Effluent
Footnotes:
1. The permittee shall submit discharge monitoring reports electronically using the NC DWR's eDMR
application system[see Section C.].
2. Daily Maximum limits apply to all permittees.
3. Flows<0.05 MGD shall sample Twice per Month and can estimate or use instantaneous flow
monitoring.For instantaneous flow monitoring,the duration of the discharge must be reported on the
DMR in addition to the total flow.
Flows>_0.05 MGD shall continuously record the effluent discharge.Facilities shall use the design
discharge flow as the flow value.Facilities without a design discharge flow value shall define flow using
the maximum value of all the monthly average discharge flows recorded during the past three years.
Facilities proposing an expansion shall determine a maximum design wastewater discharge flow value as
part of the facility design.
4. TRC: Limit and monitoring requirements only apply if the facility adds chlorine or chlorine derivatives to
water that is eventually discharged.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 reported by a North Carolina certified laboratory(including field certified),even if these values
fall below 50 µg/L.
5. Total Aluminum:This requirement applies only to wastewater discharges from plants that use an
aluminum-based coagulant.
6. Total Zinc:This requirement applies only to wastewater discharges from plants that use backwash water
treated with zinc orthophosphate.
7. Ammonia Nitrogen:This requirement applies only to wastewater discharges from plants that use water
treated with chloramines(add ammonia to chlorinated water)for backwashing.
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Permit NCG590000
8. TN&TP shall be monitored by facilities discharging to NSW waters or facilities with a discharge flow>
0.05 MGD.TN=TKN+NO3-N+NO2-N,where TKN is Total Kjeldahl Nitrogen and NO3-N+NO2-N
are Nitrate and Nitrite Nitrogen,respectively.Refer to the Certificate of Coverage(CoC) for receiving
stream classifications.
9. Whole Effluent Toxicity testing shall be performed once per calendar year. See Section D.
SAMPLES SHALL BE TAKEN AT THE OUTFALL BUT PRIOR TO MIXING WITH THE
RECEIVING WATERS.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR FOAM IN OTHER THAN TRACE
AMOUNTS.
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Permit NCG590000
SECTION C. Electronic Reporting of Discharge Monitoring Reports
[NCGS 143-215.1 (b)]
Federal regulations require electronic submittal of all discharge monitoring reports(DMRs)and program
reports.The final NPDES Electronic Reporting Rule was adopted and became effective on December
21,2015.
NOTE: This special condition supplements or supersedes the following sections within Part II of this
permit(Standard Conditions for NPDES Permits):
• Section B. (11.) Signatory Requirements
• Section D. (2.) Reporting
• Section D. (6.) Records Retention
• Section E. (5.) Monitoring Reports
1. Reporting Requirements (Supersedes Section D. (2.) and Section E.(5.) (a)I
The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic
Discharge Monitoring Report(eDMR)internet application.
Monitoring results obtained during the previous month(s)shall be summarized for each month and
submitted electronically using eDMR. The eDMR system allows permitted facilities to enter monitoring
data and submit DMRs electronically using the internet.
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility
being physically located in an area where less than 10 percent of the households have broadband access,
then a temporary waiver from the NPDES electronic reporting requirements may be granted and
discharge monitoring data may be submitted on paper DMR forms(MR 1, 1.1, 2, 3)or alternative forms
approved by the Director. Duplicate signed copies shall be submitted to the mailing address above. See
"How to Request a Waiver from Electronic Reporting"section below.
The first DMR is due on the last day of the month following the issuance of the permit or in the case of a
new facility,on the last day of the month following the commencement of discharge.
Starting on December 21,2020,the permittee must electronically report the following compliance
monitoring data and reports, when applicable:
• Sewer Overflow/Bypass Event Reports;
• Pretreatment Program Annual Reports; and
• Clean Water Act(CWA) Section 316(b)Annual Reports.
The permittee may seek an electronic reporting waiver from the Division(see"How to Request a
Waiver from Electronic Reporting"section below).
2. Electronic Submissions
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Permit NCG590000
In accordance with 40 CFR 122.41(1)(9),the permittee must identify the initial recipient at the time of
each electronic submission. The permittee should use the EPA's website resources to identify the initial
recipient for the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity
(EPA or the state authorized by EPA to implement the NPDES program)that is the designated entity for
receiving electronic NPDES data[see 40 CFR 127.2(b)].
EPA plans to establish a website that will also link to the appropriate electronic reporting tool for each
type of electronic submission and for each state. Instructions on how to access and use the appropriate
electronic reporting tool will be available as well. Information on EPA's NPDES Electronic Reporting
Rule is found at:https://www.federalregister.jov/documents/2015/10/22/2015-24954/national-pollutant-
discharge-elimination-systemm-npdes-electronic-reporting-rule.
Electronic submissions must start by the dates listed in the"Reporting Requirements"section above.
3. How to Request a Waiver from Electronic Reporting
The pe miittee may seek a temporary electronic reporting waiver from the Division. To obtain an
electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to the
Division. Requests for temporary electronic reporting waivers must be submitted in writing to the
Division for written approval at least sixty(60)days prior to the date the facility would be required
under this permit to begin submitting monitoring data and reports. The duration of a temporary waiver
shall not exceed 5 years and shall thereupon expire. At such time,monitoring data and reports shall be
submitted electronically to the Division unless the permittee re-applies for and is granted a new
temporary electronic reporting waiver by the Division. Approved electronic reporting waivers are not
transferrable. Only permittees with an approved reporting waiver request may submit monitoring data
and reports on paper to the Division for the period that the approved reporting waiver request is
effective.
Information on eDMR and the application for a temporary electronic reporting waiver are found on the
following web page:
http://deq,nc.gov/about/divisions/water-resources/edmr
4. Signatory Requirements ISupplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)I
All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,
Section B. (11.)(a) or by a duly authorized representative of that person as described in Part II, Section
B. (11.)(b). A person, and not a position,must be delegated signatory authority for eDMR reporting
purposes.
For eDMR submissions,the person signing and submitting the DMR must obtain an eDMR user account
and login credentials to access the eDMR system. For more information on North Carolina's eDMR
system,registering for eDMR and obtaining an eDMR user account,please visit the following web
page:
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Permit NCG590000
http://deq.nc.gov/about/divisions/watcr-resources/edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make the
following certification [40 CFR 122.22].NO OTHER STATEMENTS OF CERTIFICATION WILL BE
ACCEPTED:
w document all attachments were prepared under I certi under penaltyofla that this do umen and
fY� � P P 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
informationsubmitted to the best ofmyknowledge and belieftrue, accurate, and complete. I am
n ormano p
f
is,
g
aware that there are significant penalties for submitting false information, including the possibility of
fines and imprisonment for knowing violations."
5. Records Retention (Supplements Section D. (6.)1
The permittee shall retain records of all Discharge Monitoring Reports,including eDMR submissions.
These records or copies shall be maintained for a period of at least 3 years from the date of the report.
This period may be extended by request of the Director at any time[40 CFR 122.41].
Page 13 of 33

Permit NCG590000
SECTION D.Whole Effluent Toxicity Testing Requirements
[15A NCAC 02B .0200 et seq., 02B .0500 et seq.]
1. Applicability
Facilities having Conventional Water Treatment Plant processes are required to perform annual toxicity
tests each calendar year using one of the following procedures:
a. CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT APPLIES TO:
Discharges to Freshwater with an Instream Waste Concentration* (IWC)>_0.25%
Discharges to Saltwater with a Modeled Dilution
b. ACUTE TOXICITY PASS/FAIL PERMIT LIMIT APPLIES TO:
Discharges to Freshwater with an Instream Waste Concentration* (IWC)< 0.25%
Discharges to Saltwater with Tidal receiving waters not modeled
The test organism for facilities discharging to freshwaters shall be Ceriodaphnia dubia, unless another
test organism has been authorized for use by the Division and is listed in the Supplement to the
Certificate of Coverage. The test organism for facilities discharging to saltwaters shall be Mysidopsis
bahia, unless another test organism has been authorized for use by the Division and is listed in the
Supplement to the Certificate of Coverage. Authorization to change the test type and organism can be
obtained from the Water Sciences Section in the Division of Water Resources.
* The IWC or modeled dilution will be specified on the Supplement to the Certificate of Coverage
(CoC)issued with the General Permit. A discussion on how the percent effluent concentration is
determined can be found in the General Permit Fact Sheet. If the IWC exceeds 90%, a maximum default
value of 90%effluent shall be used for WET testing.
2. Chronic Toxicity Pass/Fail Permit Limit Applies To:
Discharges to Freshwater with an Instream Waste Concentration(IWC)>_0.25%, and
Discharges to Saltwater with a Modeled Dilution
For Freshwater receiving streams the effluent discharge shall at no time exhibit observable
inhibition of reproduction or significant mortality to Ceriodaphnia dubia (or other approved
test organism) at an effluent concentration specified on the Supplement to the CoC issued
with this general permit.
For Saltwater receiving streams the effluent discharge shall at no time exhibit observable
inhibition of reproduction or significant mortality to Mysidopsis bahia(or other approved test
organism) at an effluent concentration specified on the Supplement to the CoC issued with
this general permit.
The permit holder shall perform at a minimum,annual monitoring using procedures described below to
establish compliance with the permit condition. WET tests shall be performed once per calendar year.
Effluent sampling for this testing must be obtained during representative effluent discharge and shall be
performed at the NPDES permitted final effluent discharge below all treatment processes.
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Permit NCG590000
If the test procedure performed as the first test of the year results in a failure or ChV below the permit
limit,then multiple-concentration testing shall be performed at a minimum,in each of the two following
months.
For freshwater receiving streams the test shall be performed as described in"North
Carolina Ceriodaphnia Chronic Whole Effluent Toxicity Test Procedure"(Revised-
December 2010). All toxicity testing results required as part of this permit condition will be
entered on the Effluent Discharge Monitoring Form(MR-1)for the month(s)in which the
test were performed,using the parameter code TGP3B for the pass/fail results and THP3B
for the Chronic Value on the DWR Form AT-3.
For saltwater receiving streams the test shall be performed as described in EPA Method
1007.0\Mysid\Mysidopsis bahia\Survival, Growth, and Fecundity Test, as described in
"Short-Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving
Waters to Marine and Estuarine Organisms",Third Edition, EPA-821-R-02-014, October
2002. The procedure will be performed as written with the following exceptions:
• The test treatments will consist of a control and the effluent concentration listed on the
Supplement to the CoC ("pass/fail"),or a control and five effluent concentrations,one of
which will be one-half the effluent concentration listed on the Supplement to the CoC
and one of which will be twice the effluent concentration listed on the Supplement to the
CoC.
• Mortality for pass/fail tests will be evaluated using the t-test described in Section 11.3 in
Methods for Measuring the Acute Toxicity of Effluents to Freshwater and Marine
Organisms, Fifth Edition. EPA-821-R-02-012, October 2002, applying an alpha level of
0.05.
• The growth endpoint for pass/fail tests will be determined using Appendix G of Short-
Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to
Marine and Estuarine Organisms,Third Edition,EPA-821-R-02-014, October 2002,
applying an alpha level of 0.01.
All toxicity testing results required as part of this permit condition will be entered on the
Effluent Discharge Monitoring Form(MR-1)for the month(s)in which tests were performed.
For pass/fail results,report using the parameter code TGP3E and the DWR Form AT-4
(original),which is to be sent to the address below.Additionally, for reporting Chronic Value
results use the parameter code THP3E and DWR Form AT-6.
The original signed forms shall be sent to the following address:
Attention:North Carolina Division of Water Resources
Water Sciences Section
1621 Mail Service Center
Raleigh,N.C. 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30
days after the end of the month in which the toxicity test was sampled.
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Permit NCG590000
The permittee must report on the discharge monitoring report(DMR) form whether the test passes or
fails at the specified effluent concentration.
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual chlorine
of the effluent toxicity sample must be measured and reported if chlorine is employed for disinfection of
the waste stream.
Should there be no discharge of flow from the facility during the year in which toxicity monitoring is
required,the permittee will submit the aquatic toxicity(AT)test form with the notation of"No Flow"in
the comment area of the form. The report shall be submitted to the Water Sciences Section at the address
cited above.
Should the permittee fail to monitor during the year in which toxicity monitoring is required,then
quarterly monitoring shall begin immediately. Upon passing, this quarterly test requirement will revert
back to an annual requirement of once per calendar year.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division
of Water Resources indicate potential impacts to the receiving stream,the permittee may be required to
perform additional testing and,if necessary, apply for an individual permit that could include alternate
monitoring requirements or limits.
NOTE:Failure to achieve test conditions as specified in the cited document,such as minimum control
organism survival,minimum control organism reproduction, and appropriate environmental controls,
shall constitute an invalid test and will require immediate follow-up testing to be completed no later
than the last day of the month following the month of monitoring.
3. Acute Toxicity Pass/Fail Permit Limit Applies To:
Discharges to Freshwater with an Instream Waste Concentration(IWC)<0.25%, and
Discharges to Saltwater with Tidal receiving waters not modeled
The permittee shall conduct acute toxicity tests on an annual basis,once each calendar year,using
protocols defined in the North Carolina Procedure Document entitled"Pass/Fail Methodology For
Determining Acute Toxicity In A Single Effluent Concentration"(Revised December 2010).
For Freshwater receiving streams,the monitoring shall be performed as a Ceriodaphnia
dubia 24 hour static test. If another test organism has been approved by the Division for this
facility, it will be listed on the Supplement to the CoC.
For Saltwater receiving streams.the monitoring shall be performed as a Mysid Shrimp
(Mysidopsis bahia)24 hour static test. If another test organism has been approved by the
Division for this facility, it will be listed on the Supplement to the CoC.
The effluent concentration at which there may be at no time significant acute mortality is 90Vs (defined
as treatment two in the procedure document). Effluent sampling for this testing must be obtained during
a representative effluent discharge and shall be performed at the NPDES permitted final effluent
discharge below all treatment processes.
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Permit NCG590000
Should any single annual monitoring test indicate a failure to meet specified limits,then quarterly
monitoring will begin immediately. Upon passing, this quarterly test requirement will revert back to an
annual requirement of once per calendar year.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form(MR-1) for the month in which it was performed,using the parameter code
specified below and DWR Form AT-2.
For Freshwater receiving streams,use parameter code TGE3B.
For Saltwater receiving streams,use parameter code TGE3E.
The DWR Form AT-2 (original)is to be sent to the following address:
Attention: North Carolina Division of Water Resources
Water Sciences Section
1621 Mail Service Center
Raleigh,N.C. 27699-162
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30
days after the end of the month in which the toxicity test was sampled.
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests,as well as all dose/response data.Total residual chlorine
of the effluent toxicity sample must be measured and reported if chlorine is employed for disinfection of
the waste stream.
Should there be no discharge of flow from the facility during the year in which toxicity monitoring is
required,the permittee will submit the aquatic toxicity(AT)test form with the notation of"No Flow"in
the comment area of the form. The report shall be submitted to the Water Sciences Section at the address
cited above.
The permittee must report on the discharge monitoring report(DMR) form whether the test passes or
fails at the specified effluent concentration.
Should the permittee fail to monitor during the year in which toxicity monitoring is required,then
quarterly monitoring will begin immediately until such time that a single test is passed. Upon passing,
this quarterly test requirement will revert back to an annual requirement of once per calendar year.
Should any test data from either these monitoring requirements or tests performed by the North Carolina
Division of Water Resources indicate potential impacts to the receiving stream,the permittee may be
required to perform additional testing and if necessary, apply for an individual permit which could
include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival and appropriate environmental controls, shall constitute an invalid test and will
require immediate follow-up testing to be completed no later than the last day of the month following
the month of monitoring.
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Permit NCG590000
PART II.
STANDARD CONDITIONS FOR NPDES PERMITS
Section A. Definitions
2/Month
Samples are collected twice per month with at least ten calendar days between sampling events. These
samples shall be representative of the wastewater discharged during the sample period.
3/Week
Samples are collected three times per week on three separate calendar days. These samples shall be
representative of the wastewater discharged during the sample period.
Act or"the Act"
The Federal Water Pollution Control Act, also known as the Clean Water Act(CWA), as amended, 33
USC 1251,et. seq.
Annual Average
The arithmetic mean of all "daily discharges" of a pollutant measured during the calendar year. In the
case of fecal coliform,the geometric mean of such discharges.
Arithmetic Mean
The summation of the individual values divided by the number of individual values.
Bypass
The known diversion of waste streams from any portion of a treatment facility including the collection
system,which is not a designed or established or operating mode for the facility.
Calendar Day
The period from midnight of one day until midnight of the next day. However,for purposes of this
permit,any consecutive 24-hour period that reasonably represents the calendar day may be used for
sampling.
Calendar Week
The period from Sunday through the following Saturday.
Calendar Quarter
One of the following distinct periods: January through March,April through June,July through
September, and October through December.
Composite Sample
A sample collected over a 24-hour period by continuous sampling or combining grab samples of at least
100 mL in such a manner as to result in a total sample representative of the wastewater discharge during
the sample period.The Director may designate the most appropriate method(specific number and size
of aliquots necessary, the time interval between grab samples, etc.)on a case-by-case basis. Samples
may be collected manually or automatically. Composite samples may be obtained by the following
methods:
Page 18 of 33

Permit NCG590000
(1) Continuous: a single, continuous sample collected over a 24-hour period proportional to
the rate of flow.
(2) Constant time/variable volume: a series of grab samples collected at equal time intervals
over a 24 hour period of discharge and combined proportional to the rate of flow
measured at the time of individual sample collection,or
(3) Variable time/constant volume: a series of grab samples of equal volume collected over a
24 hour period with the time intervals between samples determined by a preset number of
gallons passing the sampling point. Flow measurement between sample intervals shall be
determined by use of a flow recorder and totalizer,and the preset gallon interval between
sample collection fixed at no greater than 1/24 of the expected total daily flow at the
treatment system,or
(4) Constant time/constant volume: a series of grab samples of equal volume collected over a
24-hour period at a constant time interval. Use of this method requires prior approval by
the Director. This method may only be used in situations where effluent flow rates vary
less than 15 percent. The following restrictions also apply:
Influent and effluent grab samples shall be of equal size and of no less than 100
milliliters.
Influent samples shall not be collected more than once per hour.
Permittees with wastewater treatment systems whose detention time<24 hours shall
collect effluent grab samples at intervals of no greater than 20 minutes apart during
any 24-hour period.
Permittees with wastewater treatment systems whose detention time exceeds 24 hours
shall collect effluent grab samples at least every six hours; there must be a minimum
of four samples during a 24-hour sampling period.
Continuous flow measurement
Flow monitoring that occurs without interruption throughout the operating hours of the facility. Flow
shall be monitored continually except for the infrequent times when there may be no flow or for
infrequent maintenance activities on the flow device.
Daily Discharge
e
g
The discharge of a pollutant measured during a calendar day or any 24-hour period that reasonably
represents the calendar day for purposes of sampling. For pollutants measured in units of mass,the
"daily discharge" is calculated as the total mass of the pollutant discharged over the day. For pollutants
expressed in other units of measurement,the"daily discharge"is calculated as the average measurement
of the pollutant over the day. (40 CFR 122.2; see also "Composite Sample,"above.)
Daily Maximum
The highest"daily discharge"during the calendar month.
Daily Sampling
Parameters requiring daily sampling shall be sampled 5 out of every 7 days per week unless otherwise
specified in the permit. Sampling shall be conducted on weekdays except where holidays or other
disruptions of normal operations prevent weekday sampling. If sampling is required for all seven days of
the week for any permit parameter(s),that requirement will be so noted on the Effluent Limitations and
Monitoring Page(s).
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Permit NCG590000
DWR or"the Division"
The Division of Water Resources,Department of Environment and Natural Resources.
Effluent
Wastewater discharged following all treatment processes from a water pollution control facility or other
point source whether treated or untreated.
EMC
The North Carolina Environmental Management Commission
EPA
The United States Environmental Protection Agency
Facility Closure
Cessation of all activities that require coverage under this NPDES permit. Completion of facility closure
will allow this permit to be rescinded.
Geometric Mean
The Nth root of the product of the individual values where N=the number of individual values. For
purposes of calculating the geometric mean,values of"0"(or"< [detection level]") shall be considered
= 1.
Grab Sample
Individual samples of at least 100 mL collected over a period of time not exceeding 15 minutes. Grab
samples can be collected manually. Grab samples must be representative of the discharge(or the
receiving stream, for instream samples).
Hazardous Substance
Any substance designated under 40 CFR Part 116 pursuant to Section 311 of the CWA.
Instantaneous flow measurement
The flow measured during the minimum time required for the flow measuring device or method to
produce a result in that instance. To the extent practical,instantaneous flow measurements coincide with
the collection of any grab samples required for the same sampling period so that together the samples
and flow are representative of the discharge during that sampling period.
Monthly Average(concentration limit)
The arithmetic mean of all "daily discharges" of a pollutant measured during the calendar month. In the
case of fecal coliform or other bacterial parameters or indicators,the geometric mean of such discharges.
Permit Issuing Authority
The Director of the Division of Water Resources.
Quarterly Average(concentration limit)
The arithmetic mean of all samples taken over a calendar quarter.
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Permit NCG590000
Severe property damage
Substantial physical damage to property,damage to the treatment facilities which causes them to
become inoperable, or substantial and permanent loss of natural resources which can reasonably be
expected to occur in the absence of a bypass. Severe property damage excludes economic loss caused by
delays in production.
Toxic Pollutant
Any pollutant listed as toxic under Section 307(a)(l)of the CWA.
Upset
An incident beyond the reasonable control of the Permittee causing unintentional and temporary
noncompliance with permit effluent limitations and/or monitoring requirements. An upset does not
include noncompliance caused by operational error, improperly designed treatment facilities, inadequate
treatment facilities, lack of preventive maintenance,or careless or improper operation.
Weekly Average(concentration limit)
The arithmetic mean of all "daily discharges"of a pollutant measured during the calendar week. In the
case of fecal coliform or other bacterial parameters or indicators,the geometric mean of such discharges.
Section B. General Conditions
1. Duty to Comply
The Permittee must comply with all conditions of this permit. Any permit noncompliance constitutes
a violation of the CWA and is grounds for enforcement action; for permit termination,revocation
and reissuance, or modification;or denial of a permit renewal application [40 CFR 122.41].
a. The Permittee shall comply with effluent standards or prohibitions established under section
307(a)of the CWA for toxic pollutants and with standards for sewage sludge use or disposal
established under section 405(d) of the CWA within the time provided in the regulations that
establish these standards or prohibitions or standards for sewage sludge use or disposal,even if
the permit has not yet been modified to incorporate the requirement.
b. .The CWA provides that any person who violates section[s] 301, 302, 306,307, 308,318 or 405
of the Act,or any permit condition or limitation implementing any such sections in a permit
issued under section 402, or any requirement imposed in a pretreatment program approved under
sections 402(a)(3)or 402(b)(8) of the Act, is subject to a civil penalty not to exceed$37,500 per
day for each violation. [33 USC 1319(d) and 40 CFR 122.41(a)(2)]
c. The CWA provides that any person who negligently violates sections 301, 302, 306, 307, 308,
318,or 405 of the Act, or any condition or limitation implementing any of such sections in a
permit issued under section 402 of the Act,or any requirement imposed in a pretreatment
program approved under section 402(a)(3)or 402(b)(8)of the Act, is subject to criminal
penalties of$2,500 to $25,000 per day of violation, or imprisonment of not more than 1 year, or
both. In the case of a second or subsequent conviction for a negligent violation, a person shall be
subject to criminal penalties of not more than$50,000 per day of violation, or by imprisonment
of not more than 2 years, or both. [33 USC 1319(c)(1)and 40 CFR 122.41(a)(2)]
d. Any person who knowingly violates such sections,or such conditions or limitations is subject to
criminal penalties of$5,000 to $50,000 per day of violation, or imprisonment for not more than 3
years,or both. In the case of a second or subsequent conviction for a knowing violation, a person
Page 21 of 33

Permit NCG590000
shall be subject to criminal penalties of not more than$100,000 per day of violation,or
imprisonment of not more than 6 years,or both. [33 USC 1319(c)(2) and 40 CFR 122.41(a)(2)]
e. Any person who knowingly violates section 301, 302, 303, 306, 307, 308, 318 or 405 of the Act,
or any permit condition or limitation implementing any of such sections in a permit issued under
section 402 of the Act, and who knows at that time that he thereby places another person in
imminent danger of death or serious bodily injury,shall,upon conviction,be subject to a fine of
not more than $250,000 or imprisonment of not more than 15 years, or both. In the case of a
second or subsequent conviction for a knowing endangerment violation, a person shall be subject
to a fine of not more than$500,000 or by imprisonment of not more than 30 years, or both. An
organization, as defined in section 309(c)(3)(B)(iii)of the CWA, shall,upon conviction of
violating the imminent danger provision,be subject to a fine of not more than$1,000,000 and
can be fined up to $2,000,000 for second or subsequent convictions. [40 CFR 122.41(a)(2)]
f. Under state law, a civil penalty of not more than$25,000 per violation may be assessed against
any person who violates or fails to act in accordance with the terms, conditions,or requirements
of a permit. [North Carolina General Statutes §143-215.6A]
g. Any person may be assessed an administrative penalty by the Administrator for violating section
301, 302, 306, 307, 308,318 or 405 of this Act, or any permit condition or limitation
implementing any of such sections in a permit issued under section 402 of this Act.
Administrative penalties for Class I violations are not to exceed $16,000 per violation,with the
maximum amount of any Class I penalty assessed not to exceed$37,500. Penalties for Class II
violations are not to exceed$16,000 per day for each day during which the violation continues,
with the maximum amount of any Class II penalty not to exceed$177,500. [33 USC 1319(g)(2)
and 40 CFR 122.41(a)(3)]
2. Duty to Mitigate
The Permittee shall take all reasonable steps to minimize or prevent any discharge or sludge use or
disposal in violation of this permit with a reasonable likelihood of adversely affecting human health
or the environment [40 CFR 122.41(d)].
3. Civil and Criminal Liability
Except as provided in permit conditions on "Bypassing" (Part II.C.4),"Upsets"(Part II.C.5) and
"Power Failures" (Part II.C.7),nothing in this permit shall be construed to relieve the Permittee from
any responsibilities,liabilities,or penalties for noncompliance pursuant to NCGS 143-215.3, 143-
215.6 or Section 309 of the Federal Act, 33 USC 1319. Furthermore,the Permittee is responsible for
consequential damages, such as fish kills,even though the responsibility for effective compliance
may be temporarily suspended.
4. Oil and Hazardous Substance Liability
Nothing in this permit shall be construed to preclude the institution of any legal action or relieve the
Permittee from any responsibilities,liabilities,or penalties to which the Permittee is or may be
subject to under NCGS 143-215.75 et seq. or Section 311 of the Federal Act, 33 USG 1321.
Furthermore,the Permittee is responsible for consequential damages, such as fish kills, even though
the responsibility for effective compliance may be temporarily suspended.
5. Property Rights
The issuance of this permit does not convey any property rights in either real or personal property, or
any exclusive privileges,nor does it authorize any injury to private property or any invasion of
personal rights, nor any infringement of Federal, State or local laws or regulations [40 CFR
122.41(g)].
6. Onshore or Offshore Construction
This permit does not authorize or approve the construction of any onshore or offshore physical
structures or facilities or the undertaking of any work in any navigable waters.
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Permit NCG590000
7. Severability
The provisions of this permit are severable. If any provision of this permit, or the application of any
provision of this permit to any circumstances, is held invalid,the application of such provision to
other circumstances, and the remainder of this permit, shall not be affected thereby[NCGS 150B-
23].
8. Duty to Provide Information
The Permittee shall furnish to the Permit Issuing Authority,within a reasonable time, any
information which the Permit Issuing Authority may request to determine whether cause exists for
modifying,revoking and reissuing, or terminating this pennit or to determine compliance with this
permit.The Permittee shall also furnish to the Permit Issuing Authority upon request, copies of
records required by this permit [40 CFR 122.41(h)].
9. Duty to Reapply
If the Permittee wishes to continue an activity regulated by this permit after the expiration date of
this permit,the Permittee must apply for and obtain a new permit [40 CFR 122.41(b)].
10. Expiration of Permit
The Permittee is not authorized to discharge after the expiration date. In order to receive automatic
authorization to discharge beyond the expiration date,the Permittee shall submit such information,
forms, and fees as are required by the agency authorized to issue permits no later than 180 days prior
to the expiration date unless permission for a later date has been granted by the Director. (The
Director shall not grant permission for applications to be submitted later than the expiration date of
the existing permit.) [40 CFR 122.21(d)] Any Permittee that has not requested renewal at least 180
days prior to expiration,or any Permittee that does not have a permit after the expiration and has not
requested renewal at least 180 days prior to expiration,will subject the Permittee to enforcement
procedures as provided in NCGS 143-215.6 and 33 USC 1251 et. seq.
11. Signatory Requirements
All applications,reports, or information submitted to the Permit Issuing Authority shall be signed
and certified [40 CFR 122.41(k)].
a. All permit applications shall be signed as follows:
(1) For a corporation: by a responsible corporate officer. For the purpose of this Section, a
responsible corporate officer means: (a) a president, secretary, treasurer or vice president of
the corporation in charge of a principal business function, or any other person who performs
similar policy or decision making functions for the corporation,or(b)the manager of one or
more manufacturing,production, or operating facilities,provided,the manager is authorized
to make management decisions which govern the operation of the regulated facility including
having the explicit or implicit duty of making major capital investment recommendations,
and initiating and directing other comprehensive measures to assure long term environmental
compliance with environmental laws and regulations;the manager can ensure that the
necessary systems are established or actions taken to gather complete and accurate
information for permit application requirements; and where authority to sign documents has
been assigned or delegated to the manager in accordance with corporate procedures.
(2) For a partnership or sole proprietorship:by a general partner or the proprietor,respectively;
or
(3) For a municipality, State, Federal,or other public agency: by either a principal executive
officer or ranking elected official [40 CFR 122.22].
b. All reports required by the permit and other information requested by the Permit Issuing
Authority shall be signed by a person described in paragraph a. above or by a duly authorized
representative of that person. A person is a duly authorized representative only if:
(1) The authorization is made in writing by a person described above;
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Permit NCG590000
(2) The authorization specified either an individual or a position having responsibility for the
overall operation of the regulated facility or activity, such as the position of plant manager,
operator of a well or well field, superintendent, a position of equivalent responsibility, or an
individual or position having overall responsibility for environmental matters for the
company. (A duly authorized representative may thus be either a named individual or any
individual occupying a named position.); and
(3) The written authorization is submitted to the Permit Issuing Authority[40 CFR 122.22]
c. Changes to authorization: If an authorization under paragraph(b) of this section is no longer
accurate because a different individual or position has responsibility for the overall operation of
the facility, a new authorization satisfying the requirements of paragraph(b)of this section must
be submitted to the Director prior to or together with any reports, information, or applications to
be signed by an authorized representative [40 CFR 122.22]
d. Certification. Any person signing a document under paragraphs a. or b. of this section shall make
the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF
CERTIFICATION WILL BE ACCEPTED:
"I 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. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
12. Permit Actions
This permit may be modified,revoked and reissued, or terminated for cause. The filing of a request
by the Permittee for a permit modification, revocation and reissuance, or termination, or a
notification of planned changes or anticipated noncompliance does not stay any permit condition [40
CFR 122.41(f)].
13. Permit Modification, Revocation and Reissuance. or Termination
The issuance of this permit does not prohibit the permit issuing authority from reopening and
modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the
laws,rules, and regulations contained in Title 40, Code of Federal Regulations, Parts 122 and 123;
Title 15A of the North Carolina Administrative Code, Subchapter 02H .0100; and North Carolina
General Statute 143.215.1 et. al.
14. Annual Administering and Compliance Monitoring Fee Requirements
The Permittee must pay the annual administering and compliance monitoring fee within thirty days
after being billed by the Division. Failure to pay the fee in a timely manner in accordance with 15A
NCAC 02H .0105(b)(2)may cause this Division to initiate action to revoke the permit.
Section C. Operation and Maintenance of Pollution Controls
1. Certified Operator
Owners of classified water pollution control systems must designate operators, certified by the Water
Pollution Control System Operators Certification Commission (WPCSOCC), of the appropriate type
and grade for the system, and, for each classification must [T15A NCAC 08G .0201]:
a. designate one Operator In Responsible Charge(ORC)who possesses a valid certificate of the
type and grade at least equivalent to the type and grade of the system;
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Permit NCG590000
b. designate one or more Back-up Operator(s)in Responsible Charge(Back-up ORCs)who
possesses a valid certificate of the type of the system and no more than one grade less than the
grade of the system, with the exception of no backup operator in responsible charge is required
for systems whose minimum visitation requirements are twice per year; and
c. submit a signed completed "Water Pollution Control System Operator Designation Form"to the
Commission(or to the local health department for owners of subsurface systems)countersigned
by the designated certified operators, designating the Operator in Responsible Charge(ORC) and
the Back-up Operator in Responsible Charge(Back-up ORC):
(1) 60 calendar days prior to wastewater or residuals being introduced into a new system; or
(2) within 120 calendar days following:
receiving notification of a change in the classification of the system requiring the
designation of a new Operator in Responsible Charge(ORC)and Back-up Operator
in Responsible Charge(Back-up ORC) of the proper type and grade; or
a vacancy in the position of Operator in Responsible Charge(ORC)or Back-up Operator
in Responsible Charge(Back-up ORC).
(3) within seven calendar days of vacancies in both ORC and Back-up ORC positions replacing
or designating at least one of the responsibilities.
The ORC of each Class I facility(or the Back-up ORC,when acting as surrogate for the ORC)
must:
Visit the facility as often as is necessary to insure proper operation of the treatment system;the
treatment facility must be visited at least weekly
Comply with all other conditions of 15A NCAC 08G .0204.
The ORC of each Class II, III and IV facility(or the Back-up ORC,when acting as surrogate for the
ORC)must:
Visit the facility as often as is necessary to insure proper operation of the treatment system; the
treatment facility must be visited at least five days per week,excluding holidays
Properly manage and document daily operation and maintenance of the facility
Comply with all other conditions of l 5A NCAC 08G .0204.
2. Proper Operation and Maintenance
The Permittee shall at all times properly operate and maintain all facilities and systems of treatment
and control(and related appurtenances)which are installed or used by the Permittee to achieve
compliance with the conditions of this permit. Proper operation and maintenance also includes
adequate laboratory controls and appropriate quality assurance procedures. This provision requires
the Permittee to install and operate backup or auxiliary facilities only when necessary to achieve
compliance with the conditions of the permit[40 CFR 122.41(e)].
NOTE: Properly and officially designated operators are fully responsible for all proper operation and
maintenance of the facility, and all documentation required thereof, whether acting as a contract
operator[subcontractor] or a member of the Permittee's staff.
3. Need to Halt or Reduce not a Defense
It shall not be a defense for a Permittee in an enforcement action that it would have been necessary
to halt or reduce the permitted activity in order to maintain compliance with the condition of this
permit[40 CFR 122.41(c)].
4. Bypassing of Treatment Facilities
a. Bypass not exceeding limitations [40 CFR 122.41(m)(2)]
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Permit NCG590000
The Permittee may allow any bypass to occur which does not cause effluent limitations to be
exceeded,but only if it also is for essential maintenance to assure efficient operation.These
bypasses are not subject to the provisions of Paragraphs b. and c. of this section.
b. Notice[40 CFR 122.41(m)(3)]
(1) Anticipated bypass. If the Permittee knows in advance of the need for a bypass, it shall
submit prior notice,if possible at least ten days before the date of the bypass; including an
evaluation of the anticipated quality and effect of the bypass.
(2) Unanticipated bypass.The Permittee shall submit notice of an unanticipated bypass as
required in Part II.E.6. (24-hour notice).
c. Prohibition of Bypass
(1) Bypass from the treatment facility is prohibited and the Permit Issuing Authority may take
enforcement action against a Permittee for bypass,unless:
(A)Bypass was unavoidable to prevent loss of life,personal injury or severe property
damage;
(B)There were no feasible alternatives to the bypass, such as the use of auxiliary treatment
facilities,retention of untreated wastes or maintenance during normal periods of
equipment downtime.This condition is not satisfied if adequate backup equipment should
have been installed in the exercise of reasonable engineering judgment to prevent a
bypass which occurred during normal periods of equipment downtime or preventive
maintenance; and
(C)The Permittee submitted notices as required under Paragraph b. of this section.
(2) Bypass from the collection system is prohibited and the Permit Issuing Authority may take
enforcement action against a Permittee for a bypass as provided in any current or future
system-wide collection system permit associated with the treatment facility.
(3) The Permit Issuing Authority may approve an anticipated bypass, after considering its
adverse effects, if the Permit Issuing Authority determines that it will meet the three
conditions listed above in Paragraph c. (1)of this section.
5. Upsets
a. Effect of an upset [40 CFR 122.41(n)(2)]: An upset constitutes an affirmative defense to an
action brought for noncompliance with such technology based permit effluent limitations if the
requirements of paragraph b. of this condition are met. No determination made during
administrative review of claims that noncompliance was caused by upset, and before an action
for noncompliance,is final administrative action subject to judicial review.
b. Conditions necessary for a demonstration of upset: Any Permittee who wishes to establish the
affirmative defense of upset shall demonstrate,through properly signed, contemporaneous
operating logs,or other relevant evidence that:
(1) An upset occurred and that the Permittee can identify the cause(s)of the upset;
(2) The Permittee facility was at the time being properly operated; and
(3) The Permittee submitted notice of the upset as required in Part II. E.6.(b)of this permit.
(4) The Permittee complied with any remedial measures required under Part I1. B.2. of this
permit
c. Burden of proof[40 CFR 122.41(n)(4)]: The Permittee seeking to establish the occurrence of an
upset has the burden of proof in any enforcement proceeding.
6. Removed Substances
Solids, sludges, filter backwash, or other pollutants removed in the course of treatment or control of
wastewaters shall be utilized/disposed of in accordance with NCGS 143-215.1 and in a manner such
as to prevent any pollutant from such materials from entering waters of the State or navigable waters
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Permit NCG590000
of the United States except as permitted by the Commission.The Permittee shall comply with all
applicable state and Federal regulations governing the disposal of sewage sludge, including 40 CFR
503, Standards for the Use and Disposal of Sewage Sludge;40 CFR Part 258,Criteria For Municipal
Solid Waste Landfills; and 15A NCAC Subchapter 2T, Waste Not Discharged To Surface Waters.
The Permittee shall notify the Permit Issuing Authority of any significant change in its sludge use or
disposal practices.
7. Power Failures
The Permittee is responsible for maintaining adequate safeguards(as required by 15A NCAC 02H
.0124)to prevent the discharge of untreated or inadequately treated wastes during electrical power
failures either by means of alternate power sources, standby generators or retention of inadequately
treated effluent.
Section D.Monitoring and Records
1. Representative Sampling
Samples collected and measurements taken, as required herein, shall be representative of the
permitted discharge. Samples collected at a frequency less than daily shall be taken on a day and
time that is representative of the discharge for the period the sample represents. All samples shall be
taken at the monitoring points specified in this permit and,unless otherwise specified,before the
effluent joins or is diluted by any other wastestream,body of water,or substance. Monitoring points
shall not be changed without notification to and the approval of the Permit Issuing Authority [40
CFR 122.41(j)].
2. Reporting
Monitoring results obtained during the previous month(s) shall be summarized for each month and
reported on a monthly Discharge Monitoring Report(DMR)Form(MR 1, 1.1, 2,3)or alternative
forms approved by the Director,postmarked no later than the last calendar day of the month
following the completed reporting period.
The first DMR is due on the last day of the month following the effective date on the Certificate of
Coverage issued with this permit or in the case of a new facility, on the last day of the month
following the commencement of discharge. Duplicate signed copies of these, and all other reports
required herein, shall be submitted to the following address:
NC DEQ/Division of Water Resources/Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
3. Flow Measurements
Appropriate flow measurement devices and methods consistent with accepted scientific practices
shall be selected and used to ensure the accuracy and reliability of measurements of the volume of
monitored discharges. The devices shall be installed, calibrated and maintained to ensure that the
accuracy of the measurements is consistent with the accepted capability of that type of device.
Devices selected shall be capable of measuring flows with a maximum deviation of less than 10%
from the true discharge rates throughout the range of expected discharge volumes. Flow
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I

Permit NCG590000
measurement devices shall be accurately calibrated at a minimum of once per year and maintained to
ensure that the accuracy of the measurements is consistent with the accepted capability of that type
of device.The Director shall approve the flow measurement device and monitoring location prior to
installation.
Once-through condenser cooling water flow monitored by pump logs, or pump hour meters as
specified in Part I of this permit and based on the manufacturer's pump curves shall not be subject to
this requirement.
4. Test Procedures
Laboratories used for sample analysis must be certified by the Division. Permittees should contact
the Division's Laboratory Certification Section(919 733-3908 or
http://portal.ncdenr.org/web/wq/lab/cert)for information regarding laboratory certifications.
Facilities whose personnel are conducting testing of field-certified parameters only must hold the
appropriate field parameter laboratory certifications.
Test procedures for the analysis of pollutants shall conform to the EMC regulations(published
pursuant to NCGS 143-215.63 et. seq.),the Water and Air Quality Reporting Acts, and to
regulations published pursuant to Section 304(g), 33 USC 1314,of the CWA(as amended), and 40
CFR 136;or in the case of sludge use or disposal, approved under 40 CFR 136,unless otherwise
specified in 40 CFR 503,unless other test procedures have been specified in this permit [40 CFR
122.41].
To meet the intent of the monitoring required by this permit,all test procedures must produce
minimum detection and reporting levels that are below the permit discharge requirements and all
data generated must be reported down to the minimum detection or lower reporting level of the
procedure. If no approved methods are determined capable of achieving minimum detection and
reporting levels below permit discharge requirements,then the most sensitive(method with the
lowest possible detection and reporting level)approved method must be used.
5. Penalties for Tampering
The CWA provides that any person who falsifies, tampers with,or knowingly renders inaccurate,
any monitoring device or method required to be maintained under this permit shall,upon conviction,
be punished by a fine of not more than$10,000 per violation,or by imprisonment for not more than
two years per violation,or by both. If a conviction of a person is for a violation committed after a
first conviction of such person under this paragraph,punishment is a fine of not more than$20,000
per day of violation,or by imprisonment of not more than 4 years,or both [40 CFR 122.41].
6. Records Retention
Except for records of monitoring information required by this permit related to the Permittee's
sewage sludge use and disposal activities,which shall be retained for a period of at least five years
(or longer as required by 40 CFR 503),the Permittee shall retain records of all monitoring
information,including:
all calibration and maintenance records
all original strip chart recordings for continuous monitoring instrumentation
copies of all reports required by this permit
copies of all data used to complete the application for this permit
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Permit NCG590000
These records or copies for p s shall be maintained a period of at least 3 years from the date of the
sample,measurement,report or application. This period maybe extended by request of the Director
at any time[40 CFR 122.41].
7. Recording Results
For each measurement or sample taken pursuant to the requirements of this permit, the Pennittee
shall record the following information[40 CFR 122.41]:
a. The date, exact place, and time of sampling or measurements;
b. The individual(s)who performed the sampling or measurements;
c. The date(s) analyses were performed;
d. The individual(s)who performed the analyses;
e. The analytical techniques or methods used; and
f. The results of such analyses.
8. Inspection and Entry
The Permittee shall allow the Director, or an authorized representative(including an authorized
contractor acting as a representative of the Director),upon the presentation of credentials and other
documents as may be required by law,to;
a. Enter,at reasonable times,upon the Permittee's premises where a regulated facility or activity is
located or conducted, or where records must be kept under the conditions of this permit;
b. Have access to and copy, at reasonable times, any records that must be kept under the
conditions of this permit;
c. Inspect at reasonable times any facilities,equipment(including monitoring and control
equipment),practices,or operations regulated or required under this permit; and
d. Sample or monitor at reasonable times, for the purposes of assuring permit compliance or as
otherwise authorized by the CWA, any substances or parameters at any location [40 CFR
122.41(i)].
Section E.Reporting Requirements
1. Change in Discharge
All discharges authorized herein shall be consistent with the terms and conditions of this permit. The
discharge of any pollutant identified in this permit more frequently than or at a level in excess of that
authorized shall constitute a violation of the permit.
2. Planned Changes
The Permittee shall give notice to the Director as soon as possible of any planned physical
alterations or additions to the permitted facility[40 CFR 122.41(1)]. Notice is required only when:
a. The alteration or addition to a permitted facility may meet one of the criteria for new sources at
40 CFR 122.29(b); or
b. The alteration or addition could significantly change the nature or increase the quantity of
pollutants discharged. This notification applies to pollutants subject neither to effluent limitations
in the permit,nor to notification requirements under 40 CFR 122.42(a)(1); or
c. The alteration or addition results in a significant change in the Permittee's sludge use or disposal
practices, and such alteration, addition or change may justify the application of permit conditions
that are different from or absent in the existing permit,including notification of additional use or
disposal sites not reported during the permit application process or not reported pursuant to an
approved land application plan.
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Permit NCG590000
3. Anticipated Noncompliance
The Permittee shall give advance notice to the Director of any planned changes to the permitted
facility or other activities that might result in noncompliance with the permit [40 CFR 122.41(1)(2)].
4. Transfers
This permit is not transferable to any person without prior written notice to and approval from the
Director in accordance with 40 CFR 122.61. The Director may condition approval in accordance
with NCGS 143-215.1,in particular NCGS 143-215.1(b)(4)b.2., and may require modification or
revocation and reissuance of the permit,or a minor modification, to identify the new permittee and
incorporate such other requirements as may be necessary under the CWA[40 CFR 122.41(1)(3),
122.61] or state statute.
5. Monitoring Reports
Monitoring results shall be reported at the intervals specified elsewhere in this permit [40 CFR
122.41(1)(4)].
a. Monitoring results must be reported on a Discharge Monitoring Report(DMR) (See Part II.D.2)
or forms provided by the Director for reporting results of monitoring of sludge use or disposal
practices.
b. If the Permittee monitors any pollutant more frequently than required by this permit using test
procedures approved under 40 CFR Part 136 and at a sampling location specified in this permit
or other appropriate instrument governing the discharge,the results of such monitoring shall be
included in the calculation and reporting of the data submitted on the DMR.
6. Twenty-four Hour Reporting
a. The Permittee shall report to the Director or the appropriate Re ional Office anynoncompliance
p � P
that potentially threatens public health or the environment. Any information shall be provided
orally within 24 hours from the time the Permittee became aware of the circumstances. A written
submission shall also be provided within 5 days of the time the Permittee becomes aware of the
circumstances. The written submission shall contain a description of the noncompliance, and its
cause;the period of noncompliance, including exact dates and times, and if the noncompliance
has not been corrected,the anticipated time it is expected to continue; and steps taken or planned
to reduce, eliminate, and prevent reoccurrence of the noncompliance[40 CFR 122.41(1)(6)].
b. The Director may waive the written report on a case-by-case basis for reports under this section
if the oral report has been received within 24 hours.
c. Occurrences outside normal business hours may also be reported to the Division's Emergency
Response personnel at(800) 662-7956, [phone] or(919) 733-3300.
7. Other Noncompliance
The Permittee shall report all instances of noncompliance not reported under Part II.E.5 and 6. of
this permit at the time monitoring reports are submitted.The reports shall contain the information
listed in Part II.E.6. of this permit [40 CFR 122.41(1)(7)].
8. Other Information
Where the Permittee becomes aware that it failed to submit any relevant facts in a permit
application,or submitted incorrect information in a permit application or in any report to the
Director,it shall promptly submit such facts or information [40 CFR 122.41(1)(8)].
9. Noncompliance Notification
The Permittee shall report by telephone to either the central office or the appropriate regional office
of the Division as soon as possible,but in no case more than 24 hours or on the next working day
following the occurrence or first knowledge of the occurrence of any of the following:
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Permit NCG590000
a. Any occurrence at the water pollution control facility which results in the discharge of significant
amounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the
contents of a sludge digester;the known passage of a slug of hazardous substance through the
facility;or any other unusual circumstances.
b. Any process unit failure, due to known or unknown reasons,that render the facility incapable of
adequate wastewater treatment such as mechanical or electrical failures of pumps, aerators,
compressors, etc.
c. Any failure of a pumping station,sewer line,or treatment facility resulting in a by-pass without
treatment of all or any portion of the influent to such station or facility.
Persons reporting such occurrences by telephone shall also file a written report within 5 days
following first knowledge of the occurrence. Also see reporting requirements for municipalities in
Part IV.C.2.c. of this permit.
10. Availability of Reports
Except for data determined to be confidential under NCGS 143-215.3 (a)(2)or Section 308 of the
Federal Act, 33 USC 1318, all reports prepared in accordance with the terms shall be available for
public inspection at the offices of the Division.As required by the Act, effluent data shall not be
considered confidential. Knowingly making any false statement on any such report may result in the
imposition of criminal penalties as provided for in NCGS 143-215.1(b)(2) or in Section 309 of the
Federal Act.
11. Penalties for Falsification of Reports
The CWA provides that any person who knowingly makes any false statement,representation, or
certification in any record or other document submitted or required to be maintained under this
permit, including monitoring reports or reports of compliance or noncompliance shall,upon
conviction,be punished by a fine of not more than$25,000 per violation,or by imprisonment for not
more than two years per violation,or by both [40 CFR 122.41].
12. Annual Performance Reports
Permittees who own or operate facilities that primarily collect or treat municipal or domestic
wastewater and have an average annual flow greater than 200,000 gallons per day shall provide an
annual report to the Permit Issuing Authority and to the users/customers served by the Permiee
(NCGS 143-215.1C).The report shall summarize the performance of the collection or treatment
system, as well as the extent to which the facility was compliant with applicable Federal or State
laws,regulations and rules pertaining to water quality.The report shall be provided no later than
sixty days after the end of the calendar or fiscal year, depending upon which annual period is used
for evaluation.
The report shall be sent to:
NC DEQ/Division of Water Resources/Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
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Permit NCG590000
PART III.
OTHER REQUIREMENTS
Section A. Construction
a. The Permittee shall not commence construction of wastewater treatment facilities, nor add to the
plant's treatment capacity,nor change the treatment process(es)utilized at the treatment plant unless
(1)the Division has issued an Authorization to Construct(AtC)permit or(2)the Permittee is
exempted from such AtC permit requirements under Item b. of this Section.
b. In accordance with NCGS 143-215.1(a5) [SL 2011-3941,no permit shall be required to enter into a
contract for the construction,installation,or alteration of any treatment work or disposal system or to
construct, install,or alter any treatment works or disposal system within the State when the system's
or work's principle function is to conduct, treat, equalize,neutralize, stabilize,recycle,or dispose of
industrial waste or sewage from an industrial facility and the discharge of the industrial waste or
sewage is authorized under a permit issued for the discharge of the industrial waste or sewage into
the waters of the State. Notwithstanding the above,the permit issued for the discharge may be
modified if required by federal regulation.
c. Issuance of an AtC will not occur until Final Plans and Specifications for the proposed construction
have been submitted by the Permittee and approved by the Division.
Section B. Groundwater Monitoring
The Permittee shall,upon written notice from the Director, conduct groundwater monitoring as may be
required to determine the compliance of this NPDES permitted facility with the current groundwater
standards.
Section C.Changes in Discharges of Toxic Substances
The Permittee shall notify the Permit Issuing Authority as soon as it knows or has reason to believe(40
CFR 122.42):
a. That any activity has occurred or will occur which would result in the discharge, on a routine or
frequent basis,of any toxic pollutant which is not limited in the permit, if that discharge will exceed
the highest of the following"notification levels":
1) One hundred micrograms per liter(100 µg/L);
2) Two hundred micrograms per liter(200 µg/L)for acrolein and acrylonitrile; five hundred
micrograms per liter(500 µg/L) for 2,4-dinitrophenol and for 2-methyl-4,6-dinitrophenol; and
one milligram per liter(1 mg/L)for antimony;
3) Five times the maximum concentration value reported for that pollutant in the permit
application.
b. That any activity has occurred or will occur which would result in any discharge, on a non-routine
or infrequent basis, of a toxic pollutant which is not limited in the permit, if that discharge will
exceed the highest of the following"notification levels":
1) Five hundred micrograms per liter(500 µg/L);
2) One milligram per liter(1 mg/L)for antimony;
Page 32 of 33

Permit NCG590000
3) Ten times the maximum concentration value reported for that pollutant in the permit
application.
Section D. Facility Closure Requirements
The Permittee must notify the Division at least 90 days prior to the closure of any wastewater treatment
system covered by this permit. The Division may require specific measures during deactivation of the
system to prevent adverse impacts to waters of the State. This permit cannot be rescinded while any
activities requiring this permit continue at the permitted facility.
Page 33 of 33

+'� STATE �
ROY COOPER
Governor
MICHAEL S.REGAN '?
a �
Secretary14i army.':*'
S.DANIEL SMITH NORTH CAROLINA
Director Environmental Quality
November 18,2020
COURTNEY L.DRIVER—UTILITIES DIRECTOR
WINSTON-SALEM/FORSYTH COUNTY UTILITIES COMMISSION
101 NORTH MAIN STREET
WINSTON-SALEM,NORTH CAROLINA 27101-4033
Subject: Permit No. WQ0031314
Winston-Salem/Forsyth County
Utilities Commission DCAR
Distribution of Class A
Residuals
Forsyth County
Dear Ms. Driver:
In accordance with your permit major modification and renewal request received September 10,
2020, we are forwarding herewith Permit No. WQ0031314 dated November 18, 2020, to the Winston-
Salem/Forsyth County Utilities Commission for the continued operation of the subject residuals
management program.
Modifications to the subject permit are as follows:R.W.Neilson WTP is now permitted up to 2,500
dry tons per year (DT/yr). This increases the total permitted tonnage of the residuals program to 4,000
DT/yr.
This permit shall be effective from the date of issuance through August 31,2027,shall void Permit
No.WQ0031314 issued February 9,2016,and shall be subject to the conditions and limitations as specified
therein. The Permittee shall submit a renewal application no later than March 4,2027.
Please pay particular attention to the monitoring requirements listed in Attachment A for they may
differ from the previous permit issuance. Failure to establish an adequate system for collecting and
maintaining the required operational information shall result in future compliance problems.
Please note that on September 1,2018,North Carolina Administrative Code Title 15A Subchapter
02T—Waste not Discharged to Surface Waters was readopted. Accordingly, this permit incorporates the
requirements of these rules,therefore,please take the time to review this permit thoroughly.
The Division has removed the following permit conditions since the last permit issuance dated
February 9,2016:
➢ Old Condition II1.9. — This condition has been removed because it is inherently covered by
other conditions.
➢ Old Condition III.10. —This condition has been removed because it is inherently covered by
other conditions.
➢ Old Condition VI.2. —This condition has been removed because the permit is not voidable.
C D NorthNorth Carolina
Salisbury DepartmentStreet (of1617 EnvironmentalMallService Center I Raleigh.Quality I DivisionNo ofrt WaterhCarolina Resources
512 699-1617
++«Ti»+ awn� /'„, 919.707.9000

Ms. Courtney L. Driver
November 18,2020
Page 2 of 2
The following permit conditions are new since the last permit issuance dated February 9,
2016:
➢ Condition II.6. —Class A biological residuals shall meet the pathogen reduction requirements
in 15A NCAC 02T.1106(a). Exemptions to this requirement shall be specified in Attachment
A. This condition is standard for DCAR permit.
➢ Condition II1.8.—Residuals shall not be applied if the land application sites are located within
a WS-I watershed or within the Critical Area of a WS-II, WS-III or WS-IV watershed.
➢ Condition III.9. — The Permittee shall notify all third-party entities receiving bulk Class A
residuals that land application activities occurring on the third-party's property shall meet the
requirements in 15A NCAC 02T.1100.
➢ Condition IV.7. —The formatting requirements for the annual report have changed. One hard
copy and one electronic copy shall now be submitted.
If any parts, requirements or limitations contained in this permit are unacceptable, the Permittee
has the right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request shall 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 at 6714 Mail Service
Center,Raleigh,NC 27699-6714. Otherwise,this permit shall be final and binding.
If you need additional information concerning this permit, please contact Poonam Giri at (919)
707-3656 or poonam.giri(2i ncdenr.gov.
Sincerely,
S.Daniel Smith,Director
Division of Water Resources
cc: Forsyth County Health Department(Electronic Copy)
Winston-Salem Regional Office,Water Quality Regional Operations Section(Electronic Copy)
Jeff Coggins,PE—Black&Veatch(Electronic Copy)
Laserfiche File(Electronic Copy)
Digital Permit Archive(Electronic Copy)

•
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
RALEIGH
DISTRIBUTION OF CLASS A RESIDUALS PERMIT
In accordance with the provisions of Article 21 of Chapter 143,General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Winston-Salem/Forsyth County Utilities Commission
Forsyth County
FOR THE
continued operation of a residuals management program for the Winston-Salem/Forsyth County Utilities
Commission and consisting of the distribution of Class A residuals generated by the approved facilities
listed in Attachment A,with no discharge of wastes to surface waters, pursuant to the application received
September 10, 2020, and in conformity with other supporting data subsequently filed and approved by the
Department of Environmental Quality and considered a part of this permit. The disposal of residuals is
regulated under Title 40 Code of Federal Regulations Part 257. This permit does not exempt the Permittee
from complying with Federal Regulation 40 CFR Part 257.
This permit shall be effective from the date of issuance through August 31, 2027, shall void Permit No.
WQ0031314 issued February 9,2016,and shall be subject to the following conditions and limitations:
SCHEDULES
1. The Permittee shall request renewal of this permit on Division-approved forms no later than March 4,
2027. [15A NCAC 02T.0105(b), 02T.0109]
II. PERFORMANCE STANDARDS
1. The Permittee shall maintain and operate the subject residuals management program so there is no
discharge to surface waters, nor any contravention of groundwater or surface water standards. In the
event the residuals management program fails to perform satisfactorily, including the creation of
nuisance conditions due to improper operation and maintenance,the Permittee shall immediately cease
distributing residuals, take immediate corrective actions, and contact the Winston-Salem Regional
Office supervisor. [15A NCAC 02T.0108(b)(1)(A)]
2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or surface
water resulting from the operation of this residuals management program. [15A NCAC 02T
.0108(b)(1)(A)]
3. Only residuals generated by the facilities listed in Attachment A are approved for distribution in
accordance with this permit. [15A NCAC 02T.1101]
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4. Pollutant concentrations in distributed residuals shall not exceed the following Ceiling Concentrations
or Monthly Average Concentrations, on a dry weight basis:
Ceiling Concentration Monthly Average
Parameter Concentration
(mg/kg) (mg/kg)
Arsenic 75 41
Cadmium 85 39
Copper 4,300 1,500
Lead 840 300
Mercury 57 17
Molybdenum 75 N/A
Nickel 420 420
Selenium 100 100
Zinc 7,500 2,800
[15A NCAC 02T.1105(a),02T .1105(c)]
5. Class A biological residuals shall meet the pathogen reduction requirements in 15A NCAC 02T
.1106(a). Exemptions to this requirement shall be specified in Attachment A. [15A NCAC 02T
.1106(a), 02T.1106(d)]
6. Class A biological residuals shall meet one of the vector attraction reduction alternatives in 15A NCAC
02T .1107(a). Exemptions to this requirement shall be specified in Attachment A. [15A NCAC 02T
.1107(a),02T.1107(c)]
7. The facilities and sites herein were permitted per the following setbacks:
a. Setbacks for Class A land application sites are as follows(all distances in feet):
Liquid Cake
Residuals Residuals 1
i. Each private or public water supply source: 100 100
ii. Surface waters such as intermittent and perennial streams,perennial 100 25
waterbodies, and wetlands:
iii. Surface water diversions such as ephemeral streams,waterways, and 25 0
ditches:
iv. Groundwater lowering ditches where the bottom of the ditch 25 0
intersects the SHWT:
v. Each well with exception of monitoring wells: 100 100
vi. Bedrock outcrops: 25 0
1 Unless otherwise noted in Attachment A,"cake"residuals are those that have greater than 15%
solids by weight and can be stacked without flowing, as well as can be handled, transported
and spread as a solid (e.g., using a backhoe, front end loader, slinger spreader, broadcast
spreader or other equipment designed for handling solid materials) without leaving any
significant liquid fraction behind.
[15A NCAC 02T.1108(b)]
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8. Residuals and other sources of Plant Available Nitrogen (PAN) shall not be applied in exceedance of
agronomic rates. Appropriate agronomic rates shall be calculated using expected nitrogen requirements
based on the determined Realistic Yield Expectations(RYE)using any of the following methods:
a. Division's pre-approved site specific historical data for specific crop or soil types by calculating
the mean of the best three yields of the last five consecutive crop harvests for each field.
b. North Carolina Historical Data for specific crop and soil types as provided by North Carolina State
University Department of Soil Science (http://nutrients.soil.ncsu.edu/yields/index.php). A copy
shall be kept on file and reprinted every five years in accordance with Condition IV.6.
c. If the RYE cannot be determined using methods(a)or(b) above, the Permittee may use the RYE
and appropriate nutrient application rates reported in any of the following documents:
i. Crop management plan as outlined by the local Cooperative Extension Office, the North
Carolina Department of Agriculture and Consumer Services, the Natural Resource
Conservation Service, or other agronomist.
ii. Waste Utilization Plan as outlined by the Senate Bill 1217 Interagency Group - Guidance
Document: Chapter 1
(http://www.ncagr.gov/SWC/tech/documents/9th Guidance Doc 100109.pdf).
iii. Certified Nutrient Management Plan as outlined by the Natural Resources Conservation
Services (NRCS). These plans must meet the USDA-NRCS 590 Nutrient Management
Standards(ftp://ftp-fc.sc.egov.usda.gov/NHO/practice-standards/standards/590.pdf).
d. If the RYE and appropriate nutrient application rates cannot be determined, the Permittee shall
contact the Division to determine necessary action.
[15A NCAC 02T.1109(a)(1)(K)]
9. Prior to distributing Class A residuals that have a sodium adsorption ratio (SAR) of 10 or higher, the
Permittee shall obtain and implement recommendations from at least one of the following: the local
Cooperative Extension Office; the Department of Agriculture and Consumer Services; the Natural
Resource Conservation Service; a North Carolina Licensed Soil Scientist; or an agronomist. The
recommendations shall address the sodium application rate,soil amendments(e.g., gypsum, etc.),or a
mechanism for maintaining site integrity and conditions conducive to crop growth. The Permittee shall
maintain written records of these recommendations and details of their implementation. The Permittee
shall notify third-party entities of the effects of a high SAR content residuals on their receiving sites.
[15A NCAC 02T.0108(b)(1)(A)]
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III. OPERATION AND MAINTENANCE REQUIREMENTS
1. The Permittee shall operate and maintain the residuals management program as a non-discharge system.
[15A NCAC 02T.1100]
2. The Permittee shall maintain a Division-approved Operation and Maintenance Plan that shall include:
a. Description of the program, and associated facilities and equipment, in sufficient detail to show
what operations are necessary for the program to function and by whom the functions are to be
conducted;
b. Description of anticipated maintenance of facilities and equipment associated with the program;
c. Include provisions for safety measures,including restriction of access to sites and equipment;
d. Spill control provisions:
i. Response to upsets and bypasses including control, containment,and remediation; and
ii. Contact information for plant personnel, emergency responders, and regulatory agencies;
e. Detailed inspection procedures:
i. Names or titles of personnel responsible for conducting inspections;
ii. Frequency and location of inspections,and procedures to assure that the selected locations and
inspection frequency are representative of the residuals management program; and
iii. Description of record keeping and actions to be taken by the inspector in the event that
noncompliance is observed;
f. Detailed sampling and monitoring procedures:
i. Names or titles of personnel responsible for conducting sampling and monitoring;
ii. Description of monitoring procedures including parameters to be monitored; and
iii. Sampling frequency and procedures to assure that representative samples are collected.
Fluctuation in temperature, flow, and other operating conditions can affect the quality of the
residuals gathered during a particular sampling event. The sampling plan shall account for any
foreseen fluctuations in residuals quality and indicate the most limiting times for residuals to
meet pathogen and vector attraction reduction requirements.
[15A NCAC 02T.1110(a)]
3. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the residuals management program, the Permittee shall designate and employ a
certified operator in responsible charge (ORC), and one or more certified operators as back-up ORCs.
The ORC or their back-up shall visit the facilities in accordance with 15A NCAC 08G 0204 and shall
comply with all other requirement in 15A NCAC 08G 0204. [15A NCAC 02T.0117, 08G.0204]
4. The Permittee shall ensure that a copy of this permit and the Division-approved Operation and
Maintenance Plan is available when land applying bulk Class A residuals. [15A NCAC 02T.1110(b)]
5. The Permittee shall ensure that spill control provisions are available when transporting or land applying
bulk Class A residuals. [15A NCAC 02T.1110(a)(4)]
6. Class A residuals may be staged at the land application site for up to 30 days for biological residuals
and 60 days for non-biological residuals. Class A residuals shall be stored or staged in a manner to
prevent runoff of leachate and other wastewaters generated. [15A NCAC 02T.1110(c), 02T.1110(d)]
7. Adequate measures shall be taken to prevent wind erosion and runoff from the bulk Class A residual
land application sites. [15A NCAC 02T.0108(b)(1)(A)]
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1

8. Bulk Class A residuals shall not be land applied under the following conditions:
a. If the residuals are likely to adversely affect a threatened or endangered species listed under section
4 of the Endangered Species Act or its designated critical habitat;
b. If the application causes nuisance conditions;
c. If the land fails to assimilate the bulk residuals or the application causes the contravention of surface
water or groundwater standards;
d. If the land is flooded, frozen, or snow-covered, or is otherwise in a condition such that runoff of
the residuals would occur;
e. Within the 100-year flood elevation, unless the residuals are injected or incorporated within a 24-
hour period following a residuals land application event;
f. During precipitation events, or within 24 hours following a rainfall event of 0.5 inches or greater
in a 24-hour period;
g. If the slope of the land is greater than 10%when liquid residuals are surface applied,or if the slope
of the land is greater than 18%when liquid residuals are injected or incorporated;
h. If the land does not have an established vegetative cover crop unless the land is a Division-approved
no-till site, or the residuals are injected, or incorporated within a 24-hour period following the
application of residuals;
i. If the vertical separation of the seasonal high water table and the depth of residuals application is
less than one foot;
j. If the vertical separation of the depth to bedrock and the depth of residuals application is less than
one foot;
k. If the application exceeds agronomic rates; or
1. If the land application sites are located within a WS-I watershed pursuant to 15A NCAC 02B.0212
or within the Critical Area of a WS-II pursuant to Sub-Item(4)(g)of Rule 15A NCAC 02B .0212,
or within the Critical Area of a WS-III or WS-IV watershed pursuant to Sub-Item (4)(h)of Rules
15A NCAC 02B .0215,and.0216.
[15A NCAC 02T.1109(a)(1),02T.1109(b)]
9. The Permittee shall notify all third-party entities receiving bulk Class A residuals that land application
activities occurring on the third-parry's property shall meet the requirements in 15A NCAC 02T
.1108(b) and 02T .1109(a)(1) (i.e., Conditions II.7.a. and III.8., respectively). [15A NCAC 02T
.1103(a)(4), 02T.1103(a)(5)]
10. Bagged or other container Class A residuals shall have an affixed label or an information sheet provided
to the person receiving the Class A residuals. The label or information sheet shall contain the following:
a. The name and address of the person who prepared the residuals;
b. A statement that residual land application is prohibited except in accordance with the instructions
on the label or information sheet;
c. A statement that the residuals shall be applied at agronomic rates and recommended rates for its
intended use.
[15A NCAC 02T.1109(c)]
11. The Permittee shall not distribute bulk Class A residuals to any person or entity known to be applying
residuals contrary to the conditions of this permit. The Permittee shall report to the Winston-Salem
Regional Office any person or entity known to be applying residuals contrary to the conditions of this
permit. [15A NCAC 02T.0108(b)(1)(A)]
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IV. MONITORING AND REPORTING REQUIREMENTS
1. The Permittee shall conduct and report any Division required monitoring necessary to evaluate this
program's impact on groundwater and surface water. [15A NCAC 02T.0108(c)]
2. The residuals from each source generating facility shall be analyzed to demonstrate they are non-
ha7ardous under the Resource Conservation and Recovery Act (RCRA). Residuals that test or are
classified as a hazardous or toxic waste under 40 CFR Part 261 shall not be land applied. The analyses
(i.e.,corrosivity,ignitability,reactivity,and toxicity characteristic leaching procedure(TCLP))shall be
performed at the frequency specified in Attachment A, and the Permittee shall maintain these results
for five years. Any exemptions from the requirements in this condition shall be specified in Attachment
A. The TCLP analysis shall include the following parameters, and the Federal regulatory level(mg/L)
is in parentheses:
Arsenic(5.0) 1,4-Dichlorobenzene(7.5) Nitrobenzene(2.0)
Barium(100.0) 1,2-Dichloroethane(0.5) Pentachlorophenol(100.0)
Benzene(0.5) 1,1-Dichloroethylene(0.7) Pyridine(5.0)
Cadmium(1.0) 2,4-Dinitrotoluene(0.13) Selenium(1.0)
Carbon tetrachloride(0.5) Endrin(0.02) Silver(5.0)
Chlordane(0.03) Heptachlor(and its epoxide) Tetrachloroethylene(0.7)
(0.008)
Chlorobenzene(100.0) Hexachlorobenzene(0.13) Toxaphene(0.5)
Chloroform(6.0) Hexachlorobutadiene(0.5) Trichloroethylene(0.5)
Chromium(5.0) Hexachloroethane(3.0) 2,4,5-Trichlorophenol(400.0)
m-Cresol(200.0) Lead(5.0) 2,4,6-Trichlorophenol(2.0)
o-Cresol(200.0) Lindane(0.4) 2,4,5-TP(Silvex)(1.0)
p-Cresol(200.0) Mercury(0.2) Vinyl chloride(0.2)
Cresol(200.0) Methoxychlor(10.0)
•
2,4-D(10.0) Methyl ethyl ketone(200.0)
[15A NCAC 13A.0102(b),02T.1101,02T.1105]
3. The residuals from each source generating facility shall be analyzed at the frequency specified in
Attachment A,and the Permittee shall maintain the results for a minimum of five years. Each analysis
shall include the following parameters:
Aluminum Mercury Potassium
Ammonia-Nitrogen Molybdenum Selenium
Arsenic Nickel Sodium
Cadmium Nitrate-Nitrite Nitrogen Sodium Adsorption Ratio
(SAR)
Calcium Percent Total Solids TKN
Copper pH Zinc
Lead Phosphorus
Magnesium Plant Available Nitrogen
(by calculation)
[15A NCAC 02T.1101]
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4. Residuals shall be monitored for compliance with pathogen and vector attraction reduction
requirements at the frequency specified in Attachment A. The monitoring results shall specify the
stabilization process utilized, and demonstrate compliance with the Class A pathogen reduction
requirements in 15A NCAC 02T .1106(a), and one vector attraction reduction requirement in 15A
NCAC 02T .1107(a) shall be met. Any exemptions from the requirements in this condition shall be
specified in Attachment A. [15A NCAC 02T.1106(a),02T .1107(a), 02T.1111(c)]
5. Representative samples of residuals that are prepared for distribution shall be collected and analyzed.
[15A NCAC 02T.1111(a)]
6. The Permittee shall maintain records for all bulk Class A residual distribution events. These records
shall include the following:
a. Residuals source(as listed in Attachment A);
b. Date of distribution;
c. Name and address of residuals recipient;
d. Volume of residuals distributed to each recipient; and
e. Intended use of residuals.
[15A NCAC 02T.0108(c)]
7. One hard copy and one electronic copy of an annual report shall be submitted on or before March 1 St
The annual report shall meet the requirements described in the Instructions for Residuals Application
Annual Reporting Forms. Instructions for reporting and annual report forms are available at
http://deq.nc.gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/non-
discharge-permitting-unit/reporting-forms,or can be obtained by contacting the Non-Discharge Branch
directly. The annual report shall be submitted to the following address:
Division of Water Resources
Information Processing Unit
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
[15A NCAC 02T.1111(d)]
8. Noncompliance Notification
The Permittee shall report to the Winston-Salem Regional Office, telephone number(336) 776-9800,
within 24 hours of first knowledge of the:
a. Any process unit failure (e.g., mechanical, electrical, etc.) rendering the facility incapable of
adequate residual treatment.
b. Any failure resulting in a discharge to surface waters.
c. Any time self-monitoring indicates the program has gone out of compliance with its permit
limitations.
d. Distribution of residuals abnormal in quantity or characteristic.
e. Any discharge from a vehicle or piping system transporting residuals.
Emergencies requiring reporting outside normal business hours shall call the Division's Emergency
Response personnel at telephone number [phone], [phone], or [phone]. All
noncompliance notifications shall file a written report to the Winston-Salem Regional Office within
five days of first knowledge of the occurrence, and this report shall outline the actions proposed or
taken to ensure the problem does not recur. [15A NCAC 02T.0108(b)(1)(A)]
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V. INSPECTIONS
1. The Permittee shall perform inspections and maintenance to ensure proper operation of the Permittee's
storage and distribution facilities. [15A NCAC 02T.1110(f)]
2. The Permittee shall inspect the Permittee's residuals processing and storage facilities to prevent
malfunctions, facility deterioration, and operator errors that may result in discharges of wastes to the
environment,threats to human health,or public nuisances. The Permittee shall maintain an inspection
log that includes the date and time of inspection, observations made, and maintenance, repairs, or
corrective actions taken. The Permittee shall maintain this inspection log for a period of five years
from the date of inspection, and this log shall be made available to the Division upon request. [15A
NCAC 02T.0108(b)(1)(A), 02T.1110(f)]
3. Division authorized representatives may, upon presentation of credentials, enter and inspect any
property, premises, or place related to the distribution sites or facilities permitted herein at any
reasonable time for determining compliance with this permit. Division authorized representatives may
inspect or copy records maintained under the terms and conditions of this permit, and may collect
groundwater, surface water, or leachate samples. [G.S. 143-215.3(a)(2)]
VI. GENERAL CONDITIONS
1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to a
Division enforcement action. [G.S. 143-215.6A, 143-215.6B, 143-215.6C]
2. This permit is effective only with respect to the nature and volume of wastes described in the permit
application, and Division-approved plans and specifications. [G.S. 143-215.1(d)]
3. Unless specifically requested and approved in this permit,there are no variances to administrative codes
or general statutes governing the construction or operation of the facilities permitted herein. [15A
NCAC 02T.0105(n)]
4. The issuance of this permit does not exempt the Permittee from complying with all statutes, rules,
regulations, or ordinances that other jurisdictional government agencies (e.g.,local, state, and federal)
may require. [15A NCAC 02T.0105(c)(6)]
5. If the permitted residuals program change ownership, or the Permittee changes their name, the
Permittee shall submit a permit modification request on Division-approved forms. The Permittee shall
comply with all terms and conditions of this permit until the permit is transferred to the successor-
owner. [G.S. 143-215.1(d3)]
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6. This permit is subject to revocation or modification upon 60-day notice from the Division Director, in
whole or part for:
a. violation of any terms or conditions of this permit or Administrative Code Title 15A Subchapter
02T;
b. obtaining a permit by misrepresentation or failure to disclose all relevant facts;
c. the Permittee's refusal to allow authorized Department employees upon presentation of credentials:
i. to enter the Permittee's premises where a system is located or where any records are required
to be kept;
ii. to have access to any permit required documents and records;
iii. to inspect any monitoring equipment or method as required in this permit;or
iv. to sample any pollutants;
d. the Permittee's failure to pay the annual fee for administering and compliance monitoring;or
e. a Division determination that the conditions of this permit are in conflict with North Carolina
Administrative Code or General Statutes.
[15A NCAC 02T.0110]
7. Unless the Division Director grants a variance, expansion of the facilities permitted herein shall not
occur if any of the following apply:
a. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has been convicted of
environmental crimes under G.S. 143-215.6B, or under Federal law that would otherwise be
prosecuted under G.S. 143-215.6B, and all appeals of this conviction have been abandoned or
exhausted.
b. The Permittee or any parent,subsidiary,or other affiliate of the Permittee has previously abandoned
a wastewater treatment facility without properly closing the facility.
c. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid a civil
penalty, and all appeals of this penalty have been abandoned or exhausted.
d. The Permittee or any parent,subsidiary,or other affiliate of the Permittee is currently not compliant
with any compliance schedule in a permit,settlement agreement, or order.
e. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid an annual
fee.
[15A NCAC 02T.0120(b),02T.0120(d)]
8. . This permit shall not be renewed if the Permittee or any affiliation has not paid the required annual fee.
[15A NCAC 02T.0120(c)]
Permit issued this the 18th day of November 2020
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
S. Daniel Smith, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit Number WQ0031314
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THIS PAGE BLANK

ATTACHMENT A—APPROVED RESIDUAL SOURCES Certification Date: November 18,2020
Winston-Salem/Forsyth County Utilities Commission Permit Number: WQ0031314 Version: 3.0
Monitoring
Monitoring Monitoring Approved
Maximum Frequency for
Owner Facility Name County Permit Biological Dry Tons Frequency for Frequency for Pathogen& Mineralization
Number Residuals per Year' Non-hazardous z Metals and Vector Attraction Rate
Characteristics Nutrients s Reductions 4,5
Winston-Salem/Forsyth P.W.Swann WTP Forsyth NC0079821 No 750 Once per Permit See Table Below None 0.40
County Utilities Commission cycle
Winston-Salem/Forsyth R.W.Neilson WTP Forsyth NC0086011 No 2,500 Once per PermitSee Table Below None 0.40
County Utilities Commission cycle
Winston-Salem/Forsyth R.A.Thomas WTP Forsyth NC0086762 No 750 Once per Permit See Table Below None 0.40
County Utilities Commission cycle
Total 4,000
1. Maximum Dry Tons per Year is the amount of residuals approved for land application from each permitted facility.
2. Analyses to demonstrate that residuals are non-hazardous(i.e.,TCLP,ignitability,reactivity,and corrosivity)as stipulated under permit Condition 1V.2.
3. Testing of metals and nutrients as stipulated under permit Condition IV.3.
4. Analyses of pathogen reductions as stipulated under permit Condition IV.4.
5. Monitoring frequencies are based on the actual dry tons applied per year using the table below,unless specified above.
Dry Tons Applied Monitoring Frequency
Dry Tons Applied(metric tons) (40 CFR 503 and 15A NCAC 02T
(short tons per year) .1111(c))
<290 <319 Once per year(Annually)
>290 to<1,500 >319 to<1,650 Once per quarter(4 x Year)
> 1,500 to<15,000 > 1,650 to<16,500 Once per 60 days(6 x Year)
>_15,000 >16,500 Once per month(12 x Year)
If no land application events occur during a required sampling period(e.g.,no land application occur during an entire year when annual monitoring is required),then no sampling data is
required during the period of inactivity.The annual report shall include an explanation for missing sampling data.Those required to submit the annual report to United States Environmental
Protection Agency(US EPA)may be required to make up the missed sampling.Contact the US EPA for additional information.
WQ0031314 Version 3.0 Attachment A Page 1 of 1

Section 7: Map
Topographic Map of P.W. Swann WTP and Surrounding Area

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Section 8: Nature of Business
P.W. Swann WTP Process Diagram
P.W. Swann WTP Process Description

P. W. Swann Water Treatment Plant
Water System Facility ID = WP3
Production Capacity= 25.0 MGD
City of Winston-Salem
NPDES ID#= NCG590003
1. Yadkin River ► 2. Swann's Raw Water Pump
Station
4
Alum(Nutrient Control)
Design Flow=100MGD
3. Reservoir 1
50 MG Capacity
4. Reservoir 2
100 MG Capacity
Potassium Permanganate ►
Powdered Activated Carbon ►
Alum ►I Design Flow=25MGD
Caustic ►
Chlorine ►
T
5. Coagulation
6. Flocculation
•
7. Sedimentation Basins Residuals
Chlorine ► Bisulfite
Alum ►
8. Filtration 12. EQ Basin
Backwash and 0.55MG
Chlorine ► Filter to Waste
Fluoride -- ►
Zinc OrthoPhosphate ► _
Caustic ►
•
9.Clearwell 1
5MG • •
1
13. 14.
10. Clearwell 2 Residuals Residuals
5MG Lagoon 1 Lagoon 2
•
Entry Point—EP2 ►/ Design Flow=30MGD
15. NPDES NCG590003
Discharge Outfall 001
• 1
11. Distribution System

P.W. Swann Water Treatment Plant
Production Capacity = 25.0 MGD
City of Winston-Salem
NPDES ID# = NCG590003
Description of source water: The source for the P.W. Swann is the Yadkin River located approximately 1.5
miles west of the plant.
Description of the treatment process: Raw water is pumped from the Yadkin River to the raw water
reservoirs located at the P.W. Swann WTP and then flows by gravity to the headworks of the P.W. Swann
WTP. The plant uses conventional treatment of coagulation with aluminum sulfate, flocculation, sedimentation,
filtration followed by the post filter chemical treatment. Sodium hypochlorite is added prior to filtration for
disinfection. After filtration additional sodium hypochlorite is added to maintain disinfection and sodium
hydroxide, fluoride, and zinc orthophosphate are added to complete the treatment process.
Description of the wastewater and the treatment process(es) for wastewater generated by the P.W.
Swann WTP:
The P.W. Swann WTP utilizes the following equipment:
• Two (2) metering pumps for sodium bisulfite feed
• Two (2)tanks [150-gallon for sodium bisulfite]
• One (1) equalization basin [0.55 MG for wash water retention]
• Two (2) residuals lagoons [4.3 MG's each]
• One (1)flume flow meter [final discharge]
Heavy solids from the plant's sedimentation basins are sent directly to the in service residuals
lagoon. One lagoon is kept in service while the other is out of service for cleanout. Wash
water from our filter backwashes is sent to an equalization basin. From the equalization basin
the wash water flows via gravity to the in service lagoon. The primary method of solids
disposal is settling, then pumped out for wet land application. Sodium bisulfite is added at the
discharge of the equalization basin for dechlorination of our effluent. See attached schematic
for additional information.