NC0047597_Draft Permit_20221018

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
NORTH CAROLINA
Environmental Quality
October 19, 2022
Ms. Vicki Westbrook
Assistant Director of Water Management
City of Durham
101 City Hall Plaza
Durham, NC 27701
Subject: 2"d Draft NPDES Permit Renewal
Permit NC0047597
South Durham WRF
Durham County
Grade IV Biological WPCS
SIC Code 4952
Dear Ms. Westbrook:
Enclosed with this letter is a copy of the second draft NPDES permit renewal for your facility.
This draft is being sent for review and public comment in light of reduction of monitoring
frequencies for certain parameters and extension of elements of the compliance schedule, each
representing a relaxation of requirements. 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:
The following changes were made to the first draft permit sent to you on September 9, 2022:
• Corrections were made to the system component list on the Supplement to Cover Sheet.
• Effluent monitoring for BOD, TSS, Ammonia and Fecal Coliform were reduced from daily
to 2/week based on the facility meeting criteria for Reduction of Monitoring Frequencies
in NPDES Permits for Exceptionally Performing Facilities (Division guidance document,
2012) [See A. (1.)].
• Instream monitoring for Fecal Coliform was removed based on review of the data (effluent
values are much lower than instream values) and that the receiving stream is neither Class
B nor impaired for Fecal Coliform [See A. (2.)].
• Twelve-month rolling average Total Nitrogen and Total Phosphorus loads were removed
from the permit as mass nutrient limits are established as calendar -year limits per the
Jordan Water Supply Nutrient Strategy (15A NCAC 2B .0270) [See A. (7.)].

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
• Clarifying language was added to the Nutrient Optimization special condition so that if
optimization steps are not deemed necessary to meet the limits at the design flow, they
will not be required [See A. (8.)(b.) and (c.)].
• WER-related deadlines in the Schedule of Compliance for Copper, Silver and Zinc were
extended to allow more time for the City to prepare and implement a WER study [See A.
(11.)].
• For clarification purposes, the definition of Daily Monitoring is Monday through Friday
except holidays (see Permit Part II, Standard Conditions, Section A. Definitions, under
"Daily Sampling"). No additional changes are necessary.
This second draft maintains the following significant changes identified in the letter sent on
September 9, 2022:
• The topographic map was updated to show instream monitoring locations.
• The system component list was updated (see Supplement to Cover Sheet)
• Regulatory citations have been added to the permit.
• Parameter codes have been added to the Effluent Limitations and Monitoring Requirements
sheet [See A. (1.)], Instream Monitoring Requirements [See A. (2.)] and the Effluent
Pollutant Scan [See A. (4.)] sections.
• Based on the implementation of nutrient (TN and TP) load limits, their effective dates have
been removed from the permit [See A. (1.)].
• To better track nutrient loadings and compliance with load limits, monthly rolling 12-
month annual monitoring has been added to the permit [See A. (1.)], and a Nutrient
Optimization special condition has been added to the permit [See A. (8.)].
• The Division is implementing dissolved metals standards in all permits, per the 2016
revisions to State water quality standards. As such, the NPDES Permitting Unit will need
site -specific effluent hardness data and instream hardness data, upstream of the discharge,
for each facility monitoring these metals in order to calculate permit limitations. However,
because the receiving stream 7Q10 is effectively 0 at 0.15 cfs, instream hardness sampling,
upstream of the discharge, is not needed. Effluent hardness has been added to the permit at
a monitoring frequency of quarterly [See A. (1.)].
• Based on the reasonable potential analysis (RPA) showing reasonable potential to violate
state water quality standards, Total Copper, Total Silver, and Total Zinc limits have been
added to the permit and the quarterly monitoring requirements have been changed to
monthly monitoring [See A. (1.)].
• Based on the RPA predicting a maximum effluent Nitrate -Nitrogen (NO3-N) and Total
Dissolved Solids (TDS) concentration that is greater than the allowable discharge
concentration based on state water quality standards, quarterly monitoring for NO3-N and
TDS have been added to the permit [See A. (1)].
• To provide an opportunity for the Town to develop a plan to assess sources of total copper,
total silver and total zinc in order to come in compliance with the limits in Section A. (1.),
a 3-year schedule of compliance with a WER option has been added to the permit [See
Special Condition A. (10.) Schedule of Compliance for Total Copper, Total Silver and
Total Zinc Limitations].
• Based on limited dataset from the investigative sampling in 2019 indicating detectable
levels in the influent, monthly effluent monitoring for 1,4-Dioxane has been added to the
permit [See A. (1.) and A. (2.)].
NORTH CAROLINAD_E
Department of Environmental Uuxr�
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
• Based on Mercury TMDL evaluation showing no individual results exceeded the TBEL of
47 ng/L and no annual average exceeded the WQBEL of 12.0 ng/L, Mercury limits have
been removed from the permit.
• Based on Mercury TMDL evaluation showing detections > 1 ng/L and the design flow is
> 2 MGD, a Mercury Minimization Plan (MMP) special condition has been added to the
permit. [See A. (9.)].
• To provide nutrient data year-round, instream monitoring for TP, PO4, TKN, NO3+NO2
has changed from 1/week, June 1—September 30, to 1/month year-round. [See A. (2.)].
• Wording in Special Conditions A. (3.) Chronic Toxicity Permit Limit, and A. (4.) Effluent
Pollutant Scan have been updated to allow for electronic submittal and to clarify second
species toxicity testing. Please review each special condition carefully.
• Special Condition A. (4.) — Effluent Pollutant Scan has been modified to include the
specific three years in which the Effluent Pollutant Scans 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
122.21(j)(5)] have been added.
• Monthly monitoring for 1,4-Dioxane was added to the permit.
• A permit reopener special condition has been added to modify 1,4-Dioxane monitoring,
treatment and/or compliance [See A. (11.)].
• 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 CFR
136 method published in the Federal Register [See A. (12.)].
• Federal regulations require electronic submittal of all discharge monitoring reports
(DMRs) and program reports. The requirement to continue reporting discharge monitoring
data electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR)
internet application has been added to your NPDES permit [See A. (13.)].
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 I). 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 Durham 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.
£ D_E
NORTH CAROLINA
Department of Environmental Quality
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
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,
DocuSigned by:
PtANIWIN
"- 9FBBBC952DF8455...
Gary Perlmutter, Environmental Specialist II
NPDES Municipal Permitting Unit
Hardcopy: NPDES Files
eCopy: US EPA Region 4
DWR / Raleigh Regional Office / Water Quality / Scott Vinson
DWR / Municipal Permitting Unit / Pretreatment (PT) / Keyes McGee
DWR / Raleigh Regional Office - PT / Cheng Zhang
City of Durham / PT / Tyrone Battle <[e-mail]>
DWR / Operator Certification Program / Maureen Kinney
DWR / Ecosystems Branch / Mark Vander Borgh
DWR / Aquatic Toxicology Branch / Cindy Moore
DWR / Public Water Supply / Shawn Guyer
£ D_E
NORTH CAROLINA
Department of Environmental Quality
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
South Durham WRF
Fact Sheet Addendum NC0047597
The Division received comments to the South Durham WRF draft permit from the Raleigh Regional
Office Water Public Supply (WPS) and the City of Durham Water Management (Permittee). PWS concurs
with the draft as is, while the Permittee provided a list of requested changes/updates to the permit.
Comments and Division responses are detailed below.
Comment: The City requests removal of 1,4-Dioxane monitoring. "DWR does not have
authority to impose a monitoring requirement for a contaminant for which there is no promulgated
standard. Durham's max influent concentration of 1,4-D in 2019 was 2.76 ug/L. Monitoring
requirements should be based on effluent data and reasonable potential. If the monitoring requirement
will not be removed, Durham requests the frequency be reduced to annual."
Response: Monitoring is needed to ascertain effluent concentrations for future assessment given that 1)
detectable results from the influent were found at concentrations greater than the calculated effluent
concentration of 1.22 µg/L to meet the Instream Target Value of 0.35 µg/L in the receiving water,
classified as a drinking water supply water; and 2) 1,4-Dioxane being miscible in water and resistant to
conventional treatment will pass through the facility's treatment system. The Division has the authority
to regulate this pollutant under the 15A NCAC 02B .0208 to protect the narrative standard and
concentrations of toxic substances shall not result in unacceptable health risks. Per 15A NCAC 02B
.0208: an unacceptable health risk is greater than one case of cancer per one million people exposed
(10-6 risk level). The 10-6 risk level for 1,4-Dioxane is calculated to be 0.35 µg/L in water supply waters.
To acquire sufficient effluent data for evaluation, monthly monitoring is required and will be maintained
in the permit.
Comment: The City requests removal of instream monitoring for fecal coliform. "The upstream and
downstream instream data are not statistically significant, and the Fact Sheet acknowledges that the
WRF does not contribute to instream fecal issues. There is no fecal impairment, but the 2022 Integrated
Report did list for a 303d Cat 3a (inconclusive data). There are exceedances in the ambient water quality
data, but this shouldn't translate to a Durham monitoring issue if the upstream and downstream data is
not statistically significant. If the monitoring requirement will not be removed, Durham requests the
frequency be reduced to 1/week."
Response: Requested removal was made based on review of the data (effluent values are lower than
instream values) and that the receiving stream is neither Class B nor impaired for Fecal Coliform.
Comment: The City requests removal of the Nutrient Optimization requirement. "With annual Total
Nitrogen and Total Phosphorus load limits defined in the permit, Durham does not recognize how
sending in optimization reports will be useful. Durham will always work to keep discharges as low as
possible."
Response: The requirement was placed into the permit in recognition of the potential exceedances of
nutrient (TN in particular) limits as the flow increases toward the permit limit. Having an optimization
plan will address this potential and inform the Division of the City's efforts to maintain compliance.
Therefore, it will be maintained in the permit with clarification language made to the special condition
sections (b) and (c).

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
South Durham WRF
Fact Sheet Addendum NC0047597
Comment: The City requests reduction in monitoring frequency for BOD, TSS and NH3 to 2/week. "This
request is consistent with the guideline provided in the DWQ Guidance Regarding the Reduction of
Monitoring Frequencies in NPDES permits for Exceptionally Performing Facilities dated October 22,
2012."
Response: Effluent data were reviewed and found to meet the criteria for reduced monitoring.
Monitoring frequencies are reduced as requested. Fecal Coliform was evaluated and its monitoring was
reduced upon subsequent request.
Comment: The City requests reduction in monitoring frequency for conductivity to weekly. "Durham
believes that weekly monitoring of effluent conductivity is sufficient to characterize this parameter."
Response: Conductivity is a parameter due to industrial discharges, and the WWTP is receiving waste
from multiple industrial users. Instream data has shown statistically higher downstream conductivity
than that upstream. Daily monitoring is the minimum frequency per 15A NCAC 2B .0508 for the facility
type and class and will be maintained in the permit.
Comment: The City requests clarification of the monitoring frequency for parameters from daily to 5 x
week.
Response: The City is referred to Part II, Standard Conditions, Section A. Definitions for the meaning of
Daily Sampling as weekdays minus holidays. This is noted in the cover letter.
Comment: The City requests correction in the description of equipment. "In the equipment list on page
2, "band bar screens" are listed. These assets are actually "band screens". Correcting this in the permit
will help avoid confusion in the future.
Response: Correction made.
Comment: The City requests reduction in the quarterly toxicity monitoring frequency to annual.
Response: Toxicity tests are screening tests that are needed to assess the effluents toxicity over time
and need to be performed each quarter to reflect seasonal variation (if any). Because of this, quarterly
monitoring is maintained in the permit.
Comment: The City requests removal of monthly PFAS monitoring. "The Division has the authority to
regulate this pollutant under the 15A NCAC 02B .0208 to protect the narrative standard: concentrations
of toxic substances shall not result in unacceptable health risks; an unacceptable health risk being
greater than one case of cancer per one million people exposed (10-6 risk level)."
Response: PFAS was detected in influent samples and since these pollutants resist conventional
treatment, their detection in the effluent is expected as passthrough. The Division has the authority to
regulate PFAS, some of which are known carcinogens, under the 15A NCAC 02B .0208 to protect the
narrative standard: concentrations of toxic substances shall not result in unacceptable health risks.
Because detected levels were above the EPA interim health advisory levels, monthly monitoring using an
appropriate method is needed to acquire sufficient data for evaluation and will be maintained in the
permit.

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
South Durham WRF
Fact Sheet Addendum NC0047597
Comment: The City requests reduction in the monitoring frequency for effluent Total Residual Chlorine
from daily to weekly. "The South Durham WRF adds sodium hypochlorite only to the plant's reuse
water. All of the reuse water ends up back at the headworks, and will go back through the entire
treatment process."
Response: TRC monitoring is required when chlorine is used as a disinfectant. This clarification was
made in relevant effluent page footnote.
Comment: The City requests the following statement be added Section A.(7.) for TN and TP. compliance.
'Total Nitrogen and Total Phosphorus compliance will be based solely on annual loading, not a 12
months rolling total.'
Response: The twelve-month rolling average Total Nitrogen and Total Phosphorus loads were removed
from the permit as mass nutrient limits are established as calendar -year limits per the Jordan Water
Supply Nutrient Strategy (15A NCAC 2B .0270) [See A. (7.)].
Comment: The City requests modification of "A. (11.) Schedule of Compliance for Total Copper, Total
Silver and Total Zinc Limitations" from the NPDES permit. Durham requests that this section be modified
so that within twelve (12) months of the permit effective date, Durham shall submit to DWR a Water -
Effect Ratio (WER) study plan for approval. Durham also requests that this section be modified so that
within twenty-four (24) months of the WER study plan approval by DWR, Durham shall submit to DWR a
report summarizing the results of the WER study.
Response: The WER-related interim deadlines in the Schedule of Compliance for Copper, Silver and Zinc
were extended to allow more time for the City to prepare and implement a WER study [See A. (11.)].

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND QUALITYS
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the
Federal Water Pollution Control Act, as amended,
City of Durham
is hereby authorized to discharge wastewater from a facility located at the
South Durham Water Reclamation Facility
6605 Farrington Road
Chapel Hill, NC
Durham County
to receiving waters designated as an unnamed tributary to New Hope Creek in the Cape Fear River Basin in
accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III,
and IV hereof.
This permit shall become effective Month 1, 2022.
This permit and authorization to discharge shall expire at midnight on April 30, 2027.
Signed this day Month xx, 2022.
DRAFT
for Richard E. Rogers, Jr., Director
Division of Water Resources
By Authority of the Environmental Management Commission

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
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.
The City of Durham
is hereby authorized to:
1. Continue to operate and maintain the wastewater treatment works identified in the Cover, an existing 20.0
MGD facility consisting of the following components:
• Mechanically cleaned bar screens
• Band screens
• Grit cyclones
• Grit classifiers
• Equalization tank
• Primary clarifiers
• Anaerobic tank
• Aeration basins
• Final clarifiers
• Flocculation basins
• Traveling bridge effluent sand filters
• UV disinfection
• Anaerobic digesters
• Gravity thickener tank
• Gravity belt thickener
• Sand drying beds
• Reclaimed water bulk distribution system
• Belt filter press
• ANAMMOX side stream treatment
2. Discharge from said treatment works at the location specified on the attached map via Outfall 001 into an
unnamed tributary to New Hope Creek, classified WS-IV, NSW waters in the Cape Fear River Basin.
Page 2 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [20.0 MGD]
[15A NCAC 02B .0400 et seq., 15A NCAC 02B .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 1 by the Permittee as specified below:
PARAMETER
Parameter Code
EFFLUENT LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location 2
Flow 50050
20.0 MGD
Continuous
Recording
I or E
Total Monthly Flow 82220
Monitor
and Report
Monthly
Calculated
I or E
BOD5 (20°C) 3
(April 1 - October 31) 80082
5.0 mg/L
7.5 mg/L
2/week 4
Composite
I and E
BOD5 (20°C) 3
(November 1 - March 31) 80082
7.0 mg/L
10.5 mg/L
2/week 4
Composite
I and E
Total Suspended Solids C0530
(TSS) 3
30.0 mg/L
g
45.0 mg/L
2/week 4
Composite
p
I and E
Ammonia (NH3 as N) C0610
(April 1 - October 31)
1.0 mg/L
3.0 mg/L
2/week 4
Composite
E
Ammonia (NH3 as N) C0610
(November 1 - March 31)
2.0 mg/L
6.0 mg/L
2/week 4
Composite
E
Fecal Coliform 31616
(geometric mean)
200/100 mL
400/100 mL
2/week 4
Grab
E
Dissolved Oxygen (DO) 00300
Daily
Average ? 6.0 mg/L
Daily
Grab
E
Temperature, °C 00010
Monitor
and Report
Daily
Grab
E
pH 00400
Between
6.0 and 9.0 standard units
Daily
Grab
E
Conductivity, µmhos/cm 00094
Monitor
and Report
Daily
Grab
E
Total
5
(TRC) Residual Chlorine 50060
17.0 µg/L
Daily
Grab
E
TKN, mg/L 00625
Monitor and Report
Weekly
Composite
E
NO3-N + NO2-N, mg/L 00630
Monitor and Report
Weekly
Composite
E
Total Nitrogen (TN), C0600
mg/L
Monitor and Report
Weekly
Composite
E
TNLoad6'7 QM600
QY600
Monitor and Report (lb/mo)
185,345 lb/yr
Monthly
Calculated
E
Annually
Calculated
E
Total Phosphorus (TP), C0665
mg/L
Monitor and Report
Weekly
Composite
E
TPLoad 6'7 QM665
QY665
Monitor and Report (lb/mo)
14,053 lb/yr
Monthly
Calculated
E
Annually
Calculated
E
Total Hardness (as 00900
CaCO3), mg/L 8
Monitor and Report
Quarterly
Composite
E
Total Copper 9 01042
15.5 µg/L
22.1 µg/L
Monthly
Composite
E
Total Silver 9 01077
0.1 µg/L
1.2 µg/L
Monthly
Composite
E
Total Zinc 9 01092
246.3 µg/L
246.3 µg/L
Monthly
Composite
E
Table continued on next page.
Page 3of18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
PARAMETER
Parameter Code
EFFLUENT LIMITATIONS
MONITORING REQUIREMENTS
Monthly Weekly
Average 1 Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location 2
ate (as NO3) 00620
Monitor and Report
Quarterly
Grab
E
l Dissolved Solids 70295
S)
r
Monitor and Report
Quarterly
Grab
E
Dioxane, µg/L 82388
Monitor and Report
Monthly
Grab
E
S various
Footnote 10
Quarterly
Grab
E
onic Toxicity TGP3B
Footnote 11
Quarterly
Composite
E
uent Pollutant Scan NC01
Monitor and Report
Footnote 12
E
Footnotes:
1. The Permittee shall submit discharge monitoring reports electronically using NC DWR's eDMR application system.
See Special Condition A. (14.).
2. Sample locations: I = Influent, E = Effluent. See Condition A. (2.), for Instream Monitoring Requirements.
3. The monthly average effluent BOD5 and TSS 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 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. See Special Condition A. (7.) Calculation of Total Nitrogen or Total Phosphorus Loads.
7. Compliance with mass limits shall be determined in accordance with Special Condition A. (6.) Annual Limits for Total
Nitrogen or Total Phosphorus.
8. Effluent hardness sampling should be performed in conjunction with testing for hardness dependent metals (cadmium,
copper, lead, nickel, silver, and zinc).
9. The Permittee shall follow the Total Copper, Total Silver and Total Zinc compliance schedule detailed in Special
Condition A. (11.). Starting on the effective date of this permit, the Permittee shall perform monthly effluent
monitoring and reporting for Total Copper, Total Silver and Total Zinc.
10. See Special Condition A. (13.).
11. Chronic Toxicity (Ceriodaphnia) at 90%; January, April, July and October. See Special Condition A. (3.).
12. The Permittee shall perform three Effluent Pollutant Scans and four second -species effluent toxicity tests during the
term of this permit. See Special Condition A. (4.).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 4of18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(2.) INSTREAM MONITORING REQUIREMENTS [15A NCAC 02B .0200]
Beginning upon the permit effective date and lasting until expiration, the Permittee shall perform instream
sampling upstream and downstream of Outfall 001 as specified below:
PARAMETER SAMPLE
Parameter Code TYPE
MONITORING FREQUENCY
SAMPLE
LOCATION 1
Jun 1—Sep 30 Oct 1—May 31
Dissolved Oxygen (DO), mg/L 00300
Surface
3/week
Weekly
U, D
Temperature (°C) 00010
Surface
3/week
Weekly
U, D
Conductivity (µmhos/cm) 00094
Surface
3/week
Weekly
U, D
pH (SU) 00400
Surface
3/week
Weekly
U, D
Total Phosphorus (TP), mg/L C0665
Surface
Monthly
U, D
Orthophosphate (PO4), mg/L 00660
Surface
Monthly
U, D
Surface
Monthly
U, D
Total Kjeldahl Nitrogen (TKN), 00625
mg/L
Nitrate+Nitrite (NO3+NO2), 00630
mg/L
Surface
Monthly
U, D
Footnote:
1. U = upstream, located at I-40; D = downstream, located at NCSR 1107. Instream monitoring for all parameters is
provisionally waived considering the Permittee's participation in the Upper Cape Fear River Basin Association.
Instream monitoring shall be immediately reinstated, and the Division shall be notified immediately should the
Permittee end its participation in the Association.
Page 5 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(3.) FRESHWATER CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY)
[15A NCAC 02B.0200 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 90%.
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 Chronic Value
(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 II 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 TGP3B for
the pass/fail results and THP3B 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 to the email, [e-mail] .
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences 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
the facility name, permit number, pipe number, county, and the month/year of the report 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 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.
Page 6 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
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.
If the Permittee monitors any pollutant more frequently than required by this permit, the results of such
monitoring shall be included in the calculation & reporting of the data submitted on the DMR & all AT Form
submitted.
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 7 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(4.) ADDITIONAL MONITORING REQUIREMENTS FOR PERMIT RENEWAL
[NCGS 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.(3.)
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)
Chlorine (total residual, TRC)
Dissolved oxygen
Nitrate / Nitrite
Kjeldahl nitrogen
Oil and grease
Phosphorus
Total dissolved solids
Hardness
Antimony
Arsenic
Beryllium
Cadmium
Chromium
Copper
Lead
Mercury (Method 1631E)
Nickel
Selenium
Silver
Thallium
Zinc
Cyanide
Total phenolic compounds
Volatile organic compounds:
Acrolein
Acrylonitrile
Benzene
Bromoform
Carbon tetrachloride
Chlorobenzene
Chlorodibromomethane
Chloroethane
2-chloroethyl vinyl ether
Chloroform
Dichlorobromomethane
1,1-dichloroethane
1,2-dichloroethane
C0610 Trans-1,2-dichloroethylene
50060 1,1-dichloroethylene
00300 1,2-dichloropropane
00630 1,3-dichloropropylene
00625 Ethylbenzene
00556 Methyl bromide
C0665 Methyl chloride
70295 Methylene chloride
00900 1,1,2,2-tetrachloroethane
01097 Tetrachloroethylene
01002 Toluene
01012 1,1,1-trichloroethane
01027 1,1,2-trichloroethane
C0034 Trichloroethylene
01042 Vinyl chloride
01051 Acid -extractable compounds:
COMER P-chloro-m-cresol
01067 2-chlorophenol
01147 2,4-dichlorophenol
01077 2,4-dimethylphenol
01059 4,6-dinitro-o-cresol
01092 2,4-dinitrophenol
00720 2-nitrophenol
32730 4-nitrophenol
Pentachlorophenol
34210 Phenol
34215 2,4,6-trichlorophenol
34030 Base -neutral compounds:
32104 Acenaphthene
32102 Acenaphthylene
34301 Anthracene
34306 Benzidine
85811 Benzo(a)anthracene
34576 Benzo(a)pyrene
32106 3,4 benzofluoranthene
32101 Benzo(ghi)perylene
34496 Benzo(k)fluoranthene
32103 Bis (2-chloroethoxy) methane
Page 8 of 18
34546
34501
C0541
77163
34371
34413
34418
34423
81549
34475
34010
34506
34511
39180
39175
34452
34586
34601
34606
34657
34616
34591
34646
39032
34694
34621
34205
34200
CO220
39120
C0526
34247
34230
34521
34242
34278
Bis (2-chloroethyl) ether 34273
Bis (2-chloroisopropyl) ether 34283
Bis (2-ethylhexyl) phthalate CO100
4-bromophenyl phenyl ether 34636
Butyl benzyl phthalate
2-chloronaphthalene
4-chlorophenyl phenyl ether
Chrysene
Di-n-butyl phthalate
Di-n-octyl phthalate
Dibenzo(a,h)anthracene
1,2-dichlorobenzene
1,3-dichlorobenzene
1,4-dichlorobenzene
3,3-dichlorobenzidine
Diethyl phthalate
Dimethyl phthalate
2,4-dinitrotoluene
2,6-dinitrotoluene
1,2-diphenylhydrazine
Fluoranthene
Fluorene
Hexachlorobenzene
34292
34581
34641
34320
39110
34596
34556
34536
34566
34571
34631
34336
34341
34611
C0626
34346
C0376
34381
C0700
Hexachlorobutadiene C0702
Hexachlorocyclo-pentadiene 34386
Hexachloroethane
Indeno(1,2,3-cd)pyrene
Isophorone
Naphthalene
Nitrobenzene
N-nitrosodi-n-propylamine
N-nitrosodimethylamine
N-nitrosodiphenylamine
Phenanthrene
Pyrene
1,2,4-trichlorobenzene
34396
34403
34408
34696
34447
34428
34438
34433
34461
34469
C0551

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
(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 NC01 -
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.nc.gov/Forms/NPDES WW-EDMR-Supplemental-
Form
(c.) 2nd-Species Toxicity Testing and Reporting.
(i.) In addition to the quarterly toxicity tests required in Condition A.(3.) CHRONIC TOXICITY
PERMIT LIMIT (Quarterly)), the Permittee shall perform and report the results of four (4) toxicity
tests using the same test methods using a second species of test organism suitable to the tests being
conducted.
(ii.) The 2nd species toxicity tests shall be conducted either:
(A) Once per quarter in a single 12-month 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 per 12-month 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 2nd species test shall 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 submitted to the following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Or, results can be sent to the email, [e-mail] .
(iv.) Results of the 2nd 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 9of18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(5.) NUTRIENT ALLOCATIONS [15A NCAC 02B .0270]
(a.) The following table lists the Total Nitrogen (TN) and Total Phosphorus (TP) allocations and offset credits
(if any) assigned to, acquired by, or transferred to the Permittee in accordance with the Jordan Lake
nutrient management rule (15A NCAC 02B .0270) and the status of each as of permit issuance. The
allocations in this table are not enforceable nor do they supersede any TN or TP limit established
elsewhere in this permit or in the NPDES permit of a compliance association of which the Permittee is a
Co-Permittee Member.
Total Nitrogen Allocation
ALLOCATION
TYPE
SOURCE
DATE
ALLOCATION AMOUNT'
STATUS
Delivered (lb/yr)
Discharge (lb/yr)
Base
Assigned by Rule
(T15A NCAC 02B .0270)
8/11/09
139,009
185,345
Active
TOTAL
139,009
185,345
Active
Footnote:
1 Nitrogen Transport Factor = 75%
Total Phosphorus Allocation
ALLOCATION
SOURCE
DATE
ALLOCATION AMOUNT'
STATUS
TYPE
Delivered (lb/yr)
Discharge (lb/yr)
Base
Assigned by Rule
(T15A NCAC 02B .0270)
8/11/09
9,415
14,053
Active
TOTAL
9,415
14,053
Active
Footnote:
1 Phosphorus Transport Factor = 67%
(b.) 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 public review process afforded such modifications under state and
federal rules.
Page 10 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(6.) ANNUAL LIMITS FOR TOTAL NITROGEN OR TOTAL PHOSPHORUS
[15A NCAC 02B .0270]
(a.) Total Nitrogen (TN) and Total Phosphorus (TP) allocations and load limits for NPDES dischargers in the
Jordan Lake watershed are annual limits and apply on a calendar year basis.
(b.) For any given calendar year, the Permittee shall be in compliance with the annual TN (or TP) Load limit
in this Permit if:
(i.) the Permittee's annual TN (or TP) Load is less than or equal to the effective limit, or
(ii.) the Permittee is a Co-Permittee Member of a compliance association.
(c.) If the Permittee is not a co-permittee member of a compliance association and the Permittee's cumulative
annual TN (or TP) discharge exceeds the effective TN (or TP) Load limit in this permit at any point
during the calendar year, the Permittee is in violation of its TN (or TP) Load limit for the remaining days
of that year, and each day of such continuing violation shall constitute a separate violation.
(d.) The TN (or TP) Load limit in this Permit may be modified as the result of allowable changes in the
Permittee's allocations.
(i.) Allowable changes include those resulting from purchase of TN (or TP) allocation from an
authorized mitigation banker, the Ecosystem Enhancement Program, or other source allowed under
applicable regulations; purchase, sale, trade, or lease of allocation between the Permittee and other
dischargers; regionalization; and other transactions approved by the Division.
(ii.) The Permittee may request a modification of the TN (or TP) Load limit in this Permit to reflect
allowable changes in its allocation(s).
(A) Upon receipt of timely and proper application, the Division will modify the permit as
appropriate and in accordance with state and federal program requirements.
(B) Changes in TN (or TP) limits become effective on January 1 of the year following permit
modification. The Division must receive application no later than August 31 for changes
proposed for the following calendar year.
(iii.) Any requests for modification should be sent to:
NC DEQ/DWR/NPDES Programs
Attn: Jordan Lake Watershed Coordinator
1617 Mail Service Center
Raleigh, NC 27699-1617
(e.) If the Permittee is a member and co-permittee of an approved compliance association on January 1 of a
given year, its TN and TP discharges during that year are governed by that association's group NPDES
permit and the limits therein.
(i.) The Permittee shall be considered a Co-Permittee Member for any given calendar year in which it is
identified as such in Appendix A of the association's group NPDES permit.
(ii.) Association roster(s) and members' TN and TP allocations will be updated annually and in
accordance with state and federal program requirements.
(iii.) If the Permittee intends to join or leave a compliance association, the Division must be notified of
the proposed action in accordance with the procedures defined in the association's NPDES permit.
(A) Upon receipt of timely and proper notification, the Division will modify the permit as
appropriate and in accordance with state and federal program requirements.
(B) Membership changes in a compliance association become effective on January 1 of the year
following modification of the association's permit.
The TN and TP monitoring and reporting requirements in this Permit remain in effect throughout the term
of the Permit and are not affected by the Permittee's membership in a compliance association.
Page 11 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(7.) CALCULATION OF TOTAL NITROGEN OR TOTAL PHOSPHORUS LOADS
[15A NCAC 02B .0270]
(a.) The Permittee shall calculate monthly, annual TN Loads 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);
8.34 conversion factor, from (mg/L x MG) to pounds.
(ii.) Annual TN (or TP) Load (lb/yr) = Sum of the 12 Monthly TN (or TP) Loads for the calendar year.
(b.) The Permittee shall report monthly Total Nitrogen and Total Phosphorus results (mg/L and lb/mo) in the
appropriate discharge monitoring report for each month and shall report each calendar year's results (lb/yr)
with the December report for that year.
A. (8.) NUTRIENT OPTIMIZATION [15A NCAC 02B .0270]
(a.) Not later than [date], within six (6) months of the permit effective date, the Permittee shall:
(i.) Evaluate its treatment facilities and operations,
(ii.) Identify further opportunities to improve and optimize total nitrogen and total phosphorus reduction
in the existing facilities beyond those previously implemented pursuant to NCGS 143-215.1B(d), and
(iii.) Submit a report to the Division documenting its findings, proposing optimization measures, and
describing expected results.
(b.) No later than six months following the Division's written acceptance of the report, or as provided in the
acceptance, the Permittee shall implement the proposed measures. If there are no proposed treatment
improvement measures to meet the nutrient mass limits at the design flow, then additional steps toward
optimization are not required.
(c.) Provided additional nutrient optimization steps are necessary, beginning one year following the Division's
acceptance of the report and continuing through permit expiration, the Permittee shall submit an annual
progress report to the Division by February 1 documenting the status of the proposed measures and the
nitrogen treatment improvement achieved at the facility during the previous calendar year.
(d.) Reports shall be submitted to:
NCDENR/ DWQ/ NPDES Programs
Attn: Jordan Lake Watershed Coordinator
1617 Mail Service Center
Raleigh, NC 27699-1617
Page 12 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
A.(9.) NUTRIENT MONITORING REOPENER [NCGS 143-215.1(b)]
Pursuant to N.C. General Statute Section 143-215.1 and the implementing rules found in Title 15A of the North
Carolina Administrative Code, Subchapter 2H, specifically, 15A NCAC 2H.0112(b) (1) and 2H.0114(a), and
Part II, Sections B-12 and B-13 of this permit, the Director of DWQ may reopen this permit to require
supplemental nutrient monitoring of the discharge. The additional monitoring will be to support water quality
modeling efforts within the Cape Fear River Basin and shall be consistent with a monitoring plan developed
jointly by the Division and affected stakeholders.
A.(10.) MERCURY MINIMIZATION PLAN [NCGS 143-215.1(b)]
The Permittee shall develop and implement a mercury minimization plan during this permit term. The MMP
shall be developed within 180 days of the permit effective date and shall be available for inspection on -site. A
sample MMP was developed through a stakeholder review process and has been placed on the Division website
for guidance (https://deq.nc.gov/document/nc-model-mercury-minimization-plan-dwr-npdes-swp-20130801 ).
The MMP should place emphasis on identification of mercury contributors and goals for reduction. Results shall
be summarized and submitted with the next permit renewal. Performance of the Mercury Minimization Plan will
meet the requirements of the TMDL (Total Maximum Daily Load) for mercury approved by USEPA on October
12, 2012, unless and until a Waste Load Allocation specific to this facility is developed and this NPDES permit
is amended to require further actions to address the Waste Load Allocation.
A. (11.) SCHEDULE OF COMPLIANCE FOR TOTAL COPPER, TOTAL SILVER AND TOTAL
ZINC LIMITATIONS [NCGS 143-215.1 (b)]
This compliance schedule includes the option for pursuing a Water Effect Ratio (WER) study for developing
site -specific limitations and compliance with the Total Copper, Total Silver and Total Zinc limits.
1. If the Permittee wishes to conduct a WER study to develop site -specific metal limitations, then within
twelve (12) months of the permit effective date, the Permittee shall submit to the Division of Water
Resources a Water -Effect Ratio (WER) study plan for approval.
a. Within twenty-four (24) months of the WER study plan approval by the Division, the Permittee
shall submit to the Division a report summarizing the results of the WER study. If more than
one metal is included in the WER study, a synergistic WER shall be conducted.
b. If the WER study results in site -specific metal limits, the Permittee shall submit to the Division
a permit modification request to include the WER-derived limits subject to review and approval
by the Division and the appropriate permit modification process.
c. The final metal limits based on the WER-derived limits, if approved, will be placed into effect
immediately with the permit modification and all remaining schedule items will be removed.
2. If the Permittee does not submit a WER study plan for all three parameters within one year of the permit
effective date, then the Permittee shall follow the Compliance Schedule outlined below (replacing the
schedule in section A.10.1. above) and substitute the dates for one, two and three years from the permit
effective date:
a. Within one (1) year of the permit effective date, the Permittee shall submit to the Division of
Water Resources a Corrective Action Plan (CAP) for Division approval, summarizing the
strategy or actions to be taken to achieve compliance with the Total Copper, Total Silver and/or
Page 13 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit NC0047597
Total Zinc limitations listed in Section A. (1.). This plan will include specific dates for
completion or implementation of each action.
b. Within two (2) years of the permit effective date, the Permittee shall submit a report to the
Division summarizing actions taken in accordance with the Action Plan.
c. The Permittee shall achieve compliance with Total Copper, Total Silver and/or Total Zinc
limitations specified in Section A. (1.) within three (3) years of the permit effective date.
Upon approval of the CAP by the Division, the report and actions become an enforceable part of this permit.
The Division can reopen this permit to implement interim or alternative limits based on studies that demonstrate
an interim or alternate limit is appropriate. Any modifications to the schedule shall be requested to the Division
at least ninety (90) days before the deadline. Modifications to the schedule in excess of four months will be
subject to public notice.
The WER Study Plan, CAP and all reports shall include the owner's name, NPDES permit number and
Permittee contact person, and shall be submitted to:
(1) NCDEQ / Division of Water Resources
NPDES Permitting
1617 Mail Service Center
Raleigh, NC 27699-1617
(2) NCDEQ / Division of Water Resources
Raleigh Regional Office
3800 Barrett Drive
Raleigh, NC 27609
A.(12.) REOPENER FOR 1,4-DIOXANE [NCGS 143-215.1 (b)]
Pursuant to N.C. General Statutes Section 143-215.1 and the implementing rules found in the North Carolina
Administrative Code at 15A NCAC 2H.0112 (b) (1) and 2H.0114 (a) and Part II, Sections B-12 and B-13 of this
permit, the Director of DWR may reopen this permit to modify permit requirements to address 1,4-Dioxane
monitoring, treatment and/or compliance.
A. (13.) PFAS MONITORING REQUIREMENT [NCGS 143-215.1(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 August 2021 Draft Method 1633 Analysis of Per- and
Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS at:
https://www.epa.gov/system/files/documents/2021-09/method 1633_draft aug-2021.pdf
Page 14 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit No. NC0047597
A.(14.) 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)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 monthly 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 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 following address:
NC Division of Water Resources/Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
See "How to Request a Waiver from Electronic Reporting" section below.
Regardless of the submission method, 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, 2025, 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).
Page 15 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit No. NC0047597
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 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 Reporting
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 five (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 (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. (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:
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 certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION WILL BE
ACCEPTED:
'7 certi, 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
Page 16 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit No. NC0047597
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."
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 three (3) years from the date of the report. This
period may be extended by request of the Director at any time [40 CFR 122.411
Page 17 of 18

DocuSign Envelope ID: DF7ED067-DA5D-4100-B4F6-655EAB5EFA2B
Permit No. NC0047597
South Durham WRF - NC0047597
USGS Quad Name: Southwest Durham
Receiving Stream: UT to New Hope Cr
Stream Class: WS-IV NSW
Subbasin: Cape Fear- 030605
Lat.: 35°54'17"
Long.: 78°58'24"
HUC: 03020101
North
SCALE 1:24,000
Page 18 of 18