NC0088366_Draft Permit_20230516

ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
NORTH CAROLINA
Environmental Quality
May 16, 2023
Mr. Brent Trout, Harnett County Manager
Harnett Regional Water
PO Box 1119
Lillington, North Carolina 27546
Subject: Draft NPDES Permit Renewal
Permit NCO088366
South Harnett Regional WWTP
Harnett County
Grade IV Biological WPCS
SIC Code 4952
Dear Mr. Trout:
Enclosed with this letter is a copy of the Draft NPDES permit renewal for your facility. Please
review this draft carefully to ensure thorough understanding of the requirements and conditions it
contains. There are several changes from the existing permit, including the following:
0 Per 15A NCAC 02B .0508 and as the facility receives industrial wastewater, effluent
conductivity monitoring has been added to the permit at a daily frequency [See A.(1.)].
Based on the reasonable potential analysis (RPA) showing no reasonable potential to
violate state water quality standards but predicting a maximum effluent concentration that is
greater than half of the allowable discharge concentration based on state water quality
standards, the limits for total copper has been removed from the permit and monitoring has
been reduced from monthly to quarterly [See A.(1)].
Based on the maximum reported effluent total chromium concentration for the period
reviewed being greater than 50% of but less than the Chromium VI allowable discharge
concentration based on state water quality standards, quarterly monitoring for total chromium
has been added to the permit [See A.(1)].
0 For calculation of Total Nitrogen, monitoring for TKN and NO2+NO3 has been added to
the permit at a frequency monthly [See A.(1.)].
For calculation of Total Nitrogen and Total Phosphorous loadings, monthly monitoring
and reporting of Total Monthly Flow has been added to the permit [See A.(1.)].
Per request from Harnett Regional Water, a portion of the South Harnett Regional
WWTP's (NC0088366) summer nutrient loading has been transferred to the North Harnett
Regional WWTP, to be implemented upon expansion of the North Harnett Regional WWTP
to 16.5 MGD [See A.(1.)].
Based on instream data review and discussion with the Basin Planning Branch in
preparation of the Cape Fear Permitting Strategy, instream monitoring for TP, TKN,
NO2+NO3, and ammonia have been added to the permit at a monthly frequency [See A.(1.)].
Special Conditions A.(3.) Total Nitrogen Monitoring/Limit and A.(4.) Total Phosphorous
Monitoring/Limit have been consolidated into Special Condition A.(4.) Calculation and
Reporting of Total Nitrogen and Total Phosphorous Loads.
North Carolina Department of En ironmental Quality I Division of W ater Resources
512 North Salisbury Street 1 1611 Mail Service Center I Raleigh. North Carolina 27699-161 1
K^ 919.707.9000
M O�NIry

• As the Division may request additional monitoring for TN and TP if necessary, Special
Condition A.(5.) Permit Re -opener: Supplementary Nutrient Monitoring has been removed
from the permit.
Harnett Regional Water reported Total Silver at less than detection, with detection levels
< 10.0 µg/L, and < 1.0 µg/L respectively, in the their Effluent Pollutant Scans and DMR
results. Harnett Regional Water's allowable discharge concentration is 0.17 µg/L for Total
Silver. DWR's laboratory identifies the target Practical Quantification Limits (PQLs) for
Total Silver as 1.0 µg/L. 15A NCAC 2B .0505 (e) (4) requires that all test procedures must
produce detection and reporting levels that are below the permit discharge requirements and
all data generated must be reported to the approved detection level or lower reporting level of
the procedure. If no approved methods are capable of achieving a detection level below the
permit discharge requirement (or allowable discharge concentration) the method with the
lowest detection level must be used. Harnett Regional Water should use sufficiently sensitive
test methods for all pollutants, including when performing Effluent Pollutant Scans.
A special condition to monitor effluent PFAS chemicals quarterly has been added to the
permit, to be effective six (6) months after EPA has a final wastewater method in 40 CFR136
method published in the Federal Register [See Special Condition A.(5.) PFAS Monitoring
Requirements].
• Some of the wording has changed in Special Condition A.(2.), Chronic Toxicity Permit
Limit, please review each paragraph carefully.
• Special Condition A. (3.) has been modified to include the specific three years in which
the Effluent Pollutant Scan shall be performed (2024, 2025, and 2026). In addition, at the end
of the Special Condition, 2nd species Toxicity Testing Requirements for municipal permit
renewals per Federal Regulations [40 CFR 122.210)(5)] have been added.
A notation was made concerning the Electronic Reporting Rule — NPDES Electronic
Reporting Rule — Phase 2 Extension. EPA extended the Phase 2 deadline to December 21,
2025.
The NPDES standard conditions (Parts II, III, and IV) that are a part of the permit are not included
in this draft document (cover, map, and Part 1). The conditions are the same as in your current
permit except that agency and division names have been updated. The latest version is available at
https://bit.ly/3k5NFaL and can be viewed online or downloaded as a PDF file.
Concurrent with this notification the Division is publishing a notice in a newspaper having
circulation in the general Harnett County area, soliciting public comments on this draft permit.
Please provide any written comments you may have to the following: NCDEQ/DWR, NPDES
Permitting Branch, 1617 Mail Service Center, Raleigh, NC 27699-1617 no later than 30 days after
receipt of this draft permit.
Following the 30-day public comment period, the Division will review all pertinent comments
and take appropriate action prior to issuing a final permit. If you have questions concerning this
draft permit, please call me at [phone] or by email at [e-mail].
Sincerely,
DoeuBlpnW by:
1j.� Gt.
7900A4FBFCAI4FD...
Nick Coco, PE
NPDES Municipal Permitting Unit
A E Q�� North Carolina Department of Em ironmental Quality I Division of Water Resources
512 North Salisbury Street 1 1611 Mail Service Center I Raleigh. North Carolina 27699-1611
CAFQLM grary11-.e�
919, 707.9000

Hardcopy: NPDES Files
Ecopy: US EPA Region 4
DWR/Fayetteville Regional Office/Water Quality/Mark Brantley
DWR/Operator Certification Program/Maureen Kinney
DWR/Ecosystems Branch/Mark Vander Borgh
DWR/Aquatic Toxicology Branch/Cindy Moore
DWR/Municipal Permitting Unit/Keyes McGee
Harnett Regional Water/WW Superintendent/Kenny Fail
RE Q North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 1611 Mail Service Center I Raleigh, North Carolina 27699-1611
F/ 919.707.9000

Permit NCO088366
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
(NPDES)
In compliance with the provisions of North Carolina G tatute 5.1, other lawful standards
and regulations promulgated and adopted by the No olina Enviro Management
Commission, and the Federal Water Pollution Control Act, as amended, the
Harnett Regional Water
is hereby authorized to discharge wastewater from a facility located at the
South Harnett Regional WWTP
3324 Shady Grove Road
Spring Lake
Harnett County
to receiving waters designated as the Lower Little River in the Cape Fear River Basin
in accowith the effluent limitations, monitoring requirements, and other applicable conditions set
forth idIM I, II, III, and IV hereof.
Th
effecti ............ 4.th xx, 20xx.
This permit and authorization to discharge shall expire at midnight on ........................... October 31, 2027.
Signed this day ................... Month xx, 20xx.
DRAFT
for Richard E. Rogers, Jr., Director
Division of Water Resources
By Authority of the Environmental Management
Commission
Page 1 of 12

Permit NCO088366
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby
revoked. As of this permit issuance, any previously issued permit bearing this number is no longer
effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the
permit conditions, requirements, terms, and provisions included herein.
Harnett Regional Water
is hereby authorized to:
1. Continue to operate and maintain the South Harnett Regional W WTP, an existing 15.0 MGD facility
consisting of the following components:
• Headworks including an automatic fine screen with manual bypass, vortex grit chamber, influent
composite sampler, and flow splitter box,
• Three intermittent continuous extended aeration systems with each system including dual 126-ft
by 174-ft by 18-ft depth basins providing a total aeration volume of 17.7 MG, a 3.9 MG surge
tank, fine -bubble diffusers, 12 decanter, twelve 25 Hp submersible mixers, and seven 2,300 scfm
blowers
• Surge tank
• Nine 12.5 —ft by 52-ft traveling bridge filters
• Three channel UV disinfection system, with each channel capable of treating a peak flow of 12.5
MGD and a total 37.5 MGD
• Cascade aerator with Parshall flume and effluent composite sampler
• A sludge management facility including a 2-meter gravity belt thickener rated at 900 dry pounds/
hour, a 2.2 meter sludge filter press rated at 2,041 dry pounds/ day with sludge feed pump, screw
conveyers, Class A residuals heated vessel rated at 2,000 pounds/ hour, lime storage silo and
delivery system, and an odor control system
• Dual tertiary traveling bridge filters, with three 12.5-ft by 52-ft units each
• A lime addition system including two 7.5 hp submersible mixers
• A 1,000 KW emergency generator
CY
Discharge from said treatment works at the location specified on the attached map via Outfall 001
into the Lower Little River, classified C waters in the Cape Fear River Basin and 03030004 HUC.
Page 2 of 12

PART I
A.(1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15.0 MGD]
[15A NCAC 02B .0400 et seq., 15A NCACO2B .0500 et seq.] Grade IV
Biological Water Pollution Control System [15A NCAC 08G .0302]
(a.) During the period beginning on the effective date of the permit and lasting until permit expiration,
the permittee is authorized to discharge treated municipal and industrial wastewater from Outfall
001. Such discharges shall be limited and monitored' by the permittee as specified below:
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PARAMETER
Monthly
Weekly
Daily
Measurement
Sample
Sample
Parameter Code
Average
Average
Maximum
Frequency
Type
Location2
Flow 50050
15.0 MGD
Continuous
Recording
I or E
Total Monthly Flow (MG) 82220
Monitor and Report
Monthly
Calculated
E
BAD, 5 day, 3 C0310
5.0 mg/L
7.5 mg/L
2/week4
Composite
I and E
(Apr 1 -Oct 31) 1)
BOD, 5 day, 20°C 3 C0310
10.0 mg/L
15.0 mg/L
2/week °
Composite
I and E
(Nov 1 - Mar 31)
Total Suspended Solids; C0530
30.0 mg/L
45.0 mg/L
2/week'
Composite
I and E
NH3 as N C0610
1.0 mg/L
3.0 mg/L
2/week'
Composite
E
(Apr 1 - Oct 31)
NH3 as N C0610
2.0 mg/L
6.0 mg/L
2/week'
Composite
E
(Nov 1 - Mar 31)
Fecal Coliform 31616
200/100 ml,
400/100 mL
2/week4
Grab
E
(geometric mean)
Dissolved Oxygen 00300
Daily Average > 5.0 mg/L
Daily
Grab
E
pH 00400
Between 6.0 and 9.0 Standard Units
Daily
Grab
E
Temperature (°C) 00010
Mon' or and Report
Daily
Grab
E
Total Residual Chlorine ` 50060
1 28 µg/L
Daily
Grab
E
Conductivity (µmhos/cm) 00094
Monitor and Report
Daily
Grab
E
TKN (mg/L) 00625
Monitor and Report
Monthly
Composite
E
NO3-N + NO2-N (mg/L) 00630
Monitor and keport
Monthly
Composite
E
Total Nitrogen 6 (mg/L) C0600
Monitor slid Report
Monthly
Calculated
E
Total Nitrogen Load 7.3 QM600
Monitor and Report (lb/month)
Monthly
(Apr 1 - Oct 31) QS600
160,628 lb/season (interim summer mass loading)
Seasonally
Calculated
E
QS600
105,046 lb/season (final summer mass loading)
Seasonally
Total Phosphorous (mg/L) C0665
Monitor and Report
Monthly
Composite
E
Total Phosphorous Load',' QM665
Monitor and Report (lb/month)
Monthly
(Apr 1 -Oct 31) S665
_ 53,543 lb/season (interim summer mass loading)
Seasonally
Composite
E
35,015 lb/season (final summer mass loading)
Seasonally
Total Copper (µg/L) 010
Monitor and Report
Quarterly
Composite
E
Total Chromium (µg/L) 01034
Monitor and Report
Quarterly
Composite
E
PFAS variable
Footnote 9
Footnote 9
Grab
E
Chronic Toxicity 10 TGP3B
Monitor and Report
Quarterly
Composite
E
Effluent Pollutant Scan NCO]
Monitor and Report
Footnote 11
Footnote 11
E
Hardness -Total as CaCO3 00900
Monitor and Report
Quarterly
Composite
E
(mg/L)
Continued on next page.
Page 3 of 12

Permit NCO088366
PARAMETER
Parameter Code
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Monthly
Average I
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location'
Hardness12 -Total as CaCO3 (mg/L) 00900
Monitor and Report
Quarterly
Grab
U
Dissolved Oxygen (mg/L) 00300
Monitor and Report
Variable'
Grab
U and D
Temperature °C 00010
Monitor and Report
Variable2
Grab
U and D
Conductivity (µmhos/cm) 00094
Monitor and Report
Variable'
Grab
U and D
NHi as N (mg/L) C0610
Monitor and Report
Monthly
Grab
U and D
NO3-N + NO2-N (mg/L) 00630
Monitor and Report
Monthly
Grab
U and D
TKN (mg/L) 00625
Monitor and Report
Monthly
Grab
U and D
Total Phosphorous (mg/L) C0665
Monitor and Rep2jW
Monthly
Grab
U and D
Footnotes:
1. The permittee shall submit Discharge Monitoring Reports el ica g NC DWR's eDMR application
system. See Special Condition A.(6.).'
2. Sample locations I -Influent, E-Effluent, U-Upstream = at least 50 feet upstre of the discharge, D-
Downstream = at least 500 feet from the discharge. Upstream and downstream samples shall be grab samples
collected 3/week during June, July, August, and September and 1/week during the remainder of the year.
Instream sampling requirements are provisionally waived in light of the permittee's participation in the Middle
Cape Fear River Basin Association. Should participation in the association cease, all instream sampling
requirements are immediately reinstated.
3. The monthly average effluent BOD5 and Total Suspended Solids concentrations shall not exceed 15% of the
respective influent value (85% removal).
4. Twice per week sampling must occur on any two non-consecutive days during the calendar week.
5. The facility shall monitor TRC when using chlorination for disinfection. The Division shall consider all effluent
total residual chlorine values reported below 50 µg/I 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. For a given wastewater sample, TN = TKN + NO3-N + NO2-N, where TN is Total Nitrogen, TKN is Total
Kjeldahl Nitrogen, and NO3-N and NO2-N are Nitrate and Nitrite Nitrogen, respectively.
7. See A.(5.) for Total Nitrogen and Total Phosphorous Load calculations.
8. Final summer total nitrogen and total phosphorous load limits take effect upon the expansion of the North
Harnett Regional W W TP (NC0021636) to 16.5 MGD.
9. See Special Condition A.(5.).
10. Chronic Toxicity (Ceriodaphnia dubia) P/F at_34.0% with testing in January, April, July and October. See
Special Condition A.(2.). �`
11. The permittee shall perform three effluent pollution scans during the term of this permit. See Special Condition
A.(3.).
12. The permittee shall sample instream hardness upstream of the facility's discharge. The sample shall be
representative of the hardness in the stream.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 4 of 12

Permit NCO088366
A.(2.) CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY)
[ 15A NCAC 02B .0200] [15A NCAC 02B .0500 et seq]
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 34%.
The permit holder shall perform at a minimum, quarterly monitoring using test procedures outlined in
the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," (Revised December 2010, or
subsequent versions) or "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised December 2010, or subsequent versions). The tests will be performed during the months of
January, April, July and October. These months signify the first month of each three-month toxicity
testing quarter assigned to the facility. 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.
If the test procedure performed as the first test of any single quarter 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 as described in "North Carolina Phase I1 Chronic Whole Effluent
Toxicity Test Procedure" (Revised -December 2010, or subsequent versions).
All toxicity testing results required as part of this permit condition will be entered electronically using the
Division's eDMR system for the months in which tests were performed, using the parameter code
TGP311 for the pass/fail results and THP311 for the Chronic Value. Additionally, DWR Form AT-3
(original) is to be sent to the following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, NC 27699-1621
Or, results can be sent, o the email, [e-mail]
Completed Aquatic Toxicity Test Forms shall be filed with the Wate ciences Section no later than 30
days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. 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 a month in which toxicity monitoring is
required, the permittee will complete the information located at the top of the aquatic toxicity (AT) test
form indicating t ility name, permit number, pipe number, county, and the month/year of the report
with the notation o 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 a month in which toxicity monitoring is required, monitoring
will be required during the following month. Assessment of toxicity compliance is based on the toxicity
testing quarter, which is the three-month time interval that begins on the first day of the month in which
toxicity testing is required by this permit and continues until the final day of the third month.
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, this permit may be re -opened and
modified to 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 the initial monitoring.
Page 5 of 12

Permit NCO088366
A.(3.) ADDITIONAL MONITORING REQUIREMENTS FOR PERMIT RENEWAL
[G.S. 143-215.1(B)]
(a.) Effluent Pollutant Scans. The permittee shall perform a total of three (3) Effluent Pollutant Scans
for all parameters listed below. One scan must be performed in each of the following years: 2024,
2025, and 2026. Analytical methods shall be in accordance with 40 CFR Part 136 and shall be
sufficiently sensitive to determine whether parameters are present in concentrations greater than
applicable standards and criteria. Each annual sample shall coincide with one quarterly toxicity test
each year (see Condition A.(2.) (CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY))), and
each must be collected in a different calendar quarter to represent seasonal variation [i.e., do not
sample in the same quarter every year]. Unless otherwise indicated, metals shall be analyzed as
"total recoverable."
Ammonia (as N)
C0610
Trans-1,2-dichloroethylene
34546
Bis (2-chloroethyl) ether
34273
Chlorine (total residual, TRC)
50060
1, 1 -dichloroethylene
34501
Bis (2-chloroisopropyl) ether
34283
Dissolved oxygen
00300
1,2-dichloropropane
C0541
Bis (2-ethylhexyl) phthalate
C0100
Nitrate / Nitrite
00630
1,3-dichloropropylene
77163
4-bromophenyl phenyl ether
34636
Kjeldahl nitrogen
00625
Ethylbenzene
34371
Butyl benzyl phthalate
34292
Oil and grease
00556
Methyl bromide
34413
2-chloronaphthalene
34581
Phosphorus
C0665
Methyl chloride
34418
4-chlorophenyl phenyl ether
34641
Total dissolved solids
70295
Methylene chloride
34423
Chrysene
34320
Hardness
00900
1,1,2,2-tetrachloroethane
81549
Di-n-butyl phthalate
39110
Antimony
01097
Tetrachloroethylene
34475
Di-n-octyl phthalate
34596
Arsenic
01002
Toluene
34010
Dibenzo(a h)anthracene
34556
Beryllium
01012
1, 1, 1 -trichloroethane
34506
1,2-dichlorobenzene
34536
Cadmium
01027
1,1,2-trichloroethane
34511
1,3-dichlorobenzene
34566
Chromium
V034
Trichloroethylene
3)180
1,4-dichlorobenzene
34571
Copper
01042
Vinyl chloride
39175
3,3-dichlorobenzidine
34631
Lead
01051
Acid -extractable compounds:
Diethyl phthalate
34336
Mercury (Method 1631E)
COAER
P-chloro-m-cresol
34452
Dimethyl phthalate
34341
Nickel
01067
2-chlorophenol
34586
2,4-dinitrotoluene
34611
Selenium _
01147
2,4-dichlorophenol
34601
2,6-dinitrotoluene
C0626
Silver
010%
2,4-dimethylphenol
34606
1,2-diphenylhydrazine
34346
Thallium
01059
4,6-dinitro-o-cresol
34657
Fluoranthene
C0376
Zinc
01092
2,4-dinitrophenol
34616
Fluorene
34381
Cyanide
00720
2-nitrophenol
34591
Hexachlorobenzene
C0700
Total phenolic compounds
32730
4-nitrophenol
34646
Hexachlorobutadiene
C0702
Voladle organic compounds:
Pentachlorophenol
39032
Hexachlorocyclo-pentadiene
34386
Acrolein
34210
Phenol
34694
Hexachloroethane
34396
Acrylonitrile
$4215
2,4,6-trichlorophenol
34621
Indeno(1,2,3-cd)pyrene
34403
Benzene
34030
Base -neutral compounds:
Isophorone
34408
Bromoform
32104
Acenaphthene
34205
Naphthalene
34696
Carbon tetrachloride
32102
Acenaphthylene
34200
Nitrobenzene
34447
Chlorobenzene
34301
Anthracene
CO220
N-nitrosodi-n-propylamine
34428
Chlorodibromomethane
34306
Benzidine
39120
N-nitrosodimethylamine
34438
Chloroethane
85811
Benzo(a)anthracene
C0526
N-nitrosodiphenylamine
34433
2-chloroethyl vinyl ether
34576
Benzo(a)pyrene
34247
Phenanthrene
34461
Chloroform
32106
3,4 benzofluoranthene
34230
Pyrene
34469
Dichlorobromomethane
32101
Benzo(ghi)perylene
34521
1,2,4-trichlorobenzene
C0551
1,1-dichloroethane
34496
Benzo(k)fluoranthene
34242
1,2-dichloroethane
32103
Bis(2-chloroethoxy) methane
34278
Page 6 of 12

Permit NC0088366
(b.) Effluent Scan Reporting. Test results shall be reported electronically via eDMR by December
31 st of each designated sampling year, except that, subject to prior written approval by the Director,
results can be reported on DWR Form DMR-PPA-1 or other form approved by the Director. The
permittee must at least report completion of the test in the eDMR system by entering "1" or "Y" for
parameter code NCO - Annual Pollutant Scan. If written reports are approved, the report shall be
submitted to the following address:
North Carolina Division of Water Resources
Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Or the form may be uploaded at: https://edocs.deq
Supplemental -Form
(c.) 2`-Species Toxicity Testing and Reporting.
(i.)
_WW-EDMR-
In addition to the quarterly toxicity tests required in Condition
PERMIT LIMIT (QUARTERL19), the Permittee shall perform and
(4) toxicity tests using the same test methods using a second species
to the tests being conducted
The 2°d species toxicity tests shall be conducted either:
IRONIC TOXICITY
the results of four
hLorganism suitable
(A) Once per quarter in a single 12-mgnth period (four samples); if this option is chosen,
the sample for each 2nd species test shall coincide with the quarterly samples collected
for (tox condition title); or
(B) Once Or 12-mo&h period in the four -and one-half year period prior to the scheduled
application for permit renewal (four samples); if this option is chosen, three of the
sample for the 2ndspecies test stall coincide with those for the annual effluent scans
and the coincident quarterly toxicity test, and each of the four annual samples shall be
collected in a different calendar quarter in order to represent seasonal variation.
(iii.) The results of the toxicity tests shall be subriiitted to the following address:
North Carolina Division of Water Resources
Water Sciences Sec ' Aquatic Toxicology Branch
1621 Mail Service C ter
Raleigh, North Carolina 27699-1621
Or, resul 'can be sent to the email, [e-mail].
(iv.) Results of the 2"d species tests shall also be summarized in Part E (Toxicity Testing Data) of
EPA Municipal Application Form 2A when submitting the permit renewal application to the
NPDES Wastewater Program.
The Permittee may contact the Division's Aquatic Toxicology Branch at 919-743-8401 for
guidance on conducting the additional toxicity tests and reporting of the results.
Page 7 of 12

Permit NCO088366
A.(4.) CALCULATION AND REPORTING OF TOTAL NITROGEN AND TOTAL
PHOSPHORUS LOADS
[G.S. 143-215.1 (B)]
(a.) The Permittee shall calculate seasonal and annual mass loads for TN and TP as follows:
(i.) Monthly TN (or TP) Load (lb/mo) = TN (or TP) x TMF x 8.34
where:
TN or TP = the average Total Nitrogen or Total Phosphorus concentration
(mg/L) of the composite samples collected during the month
TMF = the Total Monthly Flow of wastewater discharged during the month
(MG/mo); that is, the sum of daily flows in the month
8.34 = conversion factor, from (mg/L x MG) to pounds
(ii.) Summer TN (or TP) Load (lb/season) = Sum of the Monthly TN (or TP) Loads for April -
October.
(b.) The Permittee shall report monthly Total Nitrogen and Total Phosphorus Load results (lb/mo) in the
appropriate discharge monitoring report for each month; and the summer TN and TP Load results
with the October DMR.
(c.) Any addition, deletion, or modification of the listed allocation(s) (other than to correct
typographical errors) or any change in status of any of the listed allocations shall be considered a
major modification of this permit and shall be subject to the polic review process afforded such
modifications under state and federal rules.
A.(5.) PFAS MONITORING REQUIREMENT
[G.S. 143-2 15. 1 (b.)] ,
This reporting requirement for the per- and polyfluoroalkyl substances (PFAS) parameters listed under
Table 1 of the Final Method 1633 takes effect the first full calendar quarter following six (6) months after
EPA publishes a 40 CFR part 136 Final PFAS Method for wastewater in the Federal Register. Monitoring
will be at a quarterly frequency.
Find the current parameters listed under Table 1 of the 3d Draft Method 1633 Analysis of Per- and
Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, A olids, and Tissue Samples by LC-MS/MS at:
A.(6.) ELECTRONIC REPORTING - DISCHARGE MONITORING REPORTS
[G.S. 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 I I of this
permit (Standard Conditions for NPDES Permits):
• Section B. (11.) Signatory Requirements
• Section D. (2.)
• Section D. (6.)
• Section E. (5.)
Reporting
Records Retention
Monitoring Reports
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Permit NCO088366
1. Reportine Repuirements [Supersedes Section D. (2.) and Section E. (5.) (a)1
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 monthly electronically using eDMR. The eDMR system allows permitted facilities to enter
monitoring data and submit DMRs electronically using the internet. The eDMR system may be
accessed at: https://deq.nc.gov/about/divisions/water-resources/edmr.
If a permittee is unable to use the eDMR system due to a demonstLated 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 DM forms (MR 1, 1. 1, 2, 3) or alternative
forms approved by the Director. Duplicate signed copies 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
1
See "How to Request a Waiver from Electronic Reporting" section below.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
reported via the eDMR system no later than the last calendar day of the month following the
completed reporting period. Regardless a submM'ss on metho�irst DMR is due on the last
day of the month following the issuance o permit or in the case d new facility, on the last day
of the month following the commencement of discharge.
Starting on December 21, 2025, the permittee must electronically report the following compliance
monitoring data and reports, when applicable:
• Sewer Overflow/Bypass Event Reports; and
• Pretreatment Program Annual Reports; and
• Cl 5 ater Act (CWA) Section 316(b) Annual Reports.
The permNE
seek an el nic reporting waiver from the Division (see "How to Request a
Waiver fis Repo " section below).
2. Electronic Submissions
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
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Permit NCO088366
appropriate electronic reporting tool will be available as well. Information on EPA's NPDES
Electronic Reporting Rule is found at: https://www.federalregister.gov/documents/2015/10/22/2015-
24954/national-pollutant-discharge-elimination-system-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 Revortine
The permittee 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. Sienatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)1
All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,
Section B. (I 1.)(a) or by a duly authorized representative of that person as described in Part II,
Section B. (I 1.)(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 syst registering for eDMR and obtaining an eDMR user account, please visit the following
web page: �1W. %1
http://deq.nc.gov/about/divisions/water-resources/edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make
the following certificatiorrf40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION
WILL BE ACCEPTED:
V 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. "
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Permit NCO088366
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 ].
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