NC0025348_Permit (Issuance)_20221207

DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
ROY COOPER ,� `ca..1
Governor ' ,r`
1 ELIZABETH S.BISER
Secretary ak "
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
December 7, 2022
Mr. Foster Hughes, City Manager
City of New Bern
PO Box 1129
New Bern,North Carolina 28563
Subject: Final NPDES Permit Renewal
Permit NC0025348
New Bern WWTP
1 Craven County
Grade IV Biological WPCS
SIC Code 4952
Dear Mr. Hughes:
Division personnel have reviewed and approved your application for renewal of the subject permit.
Accordingly, we are forwarding the attached NPDES permit. This permit is issued pursuant to the
requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between
North Carolina and the U.S. Environmental Protection Agency dated October 15,2007(or as subsequently
amended).
Please note that the receiving stream is listed as impaired for Copper on the North Carolina 2022 303(d)
Impaired Waters List. Addressing impaired waters is a high priority with the Division, and instream data
will continue to be evaluated. If there is noncompliance with permitted effluent limits and stream
impairment can be attributed to your facility, then mitigative measures may be required.
The following change were made to the draft permit sent to you on October 19,2022:
• Based on comments from the Division's Aquatic Toxicology Branch, the second species toxicity test
revised from a quarterly 24-hr Pass/Fail acute test to a 48-hr LC50 acute test. Additionally, the species
has been clarified as Menidia beryllina(Inland Silverside). [See A.(12.)].
The final permit maintains the following significant changes identified in the letter sent on October
19,2022:
• Based on the reasonable potential analysis(RPA)showing no reasonable potential to violate state water
quality standards, the monitoring requirements for copper and cyanide have been removed from the
permit [See A. (2.)].
• Based on the RPA predicting a maximum effluent zinc concentration that is greater than half of
allowable discharge concentration based on state water quality standards,quarterly monitoring for zinc
has been added to the permit [See A. (2.)].
1D_��^,,) North Cazolina Department of Enviromnental Quality I Division of Water Resources
CrJ/ J 512 North Salisbury Street 11611 Mail Service Center I Raleigh,North Carolina 27699-161 I
u.ow,.nn eltoN:o w 04A e.d 919.707.9000

DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
• Based on RPA showing a reasonable potential to violate state quality standards from a limited dataset
(n<8 samples with one exceedence),quarterly monitoring for Bromodichloromethane has been added
to the permit [See A. (2.)].
• Based on Mercury TMDL evaluation showing detection of mercury at levels > 1 ng/L, Special
Condition A. (12.)Mercury Minimization Plan has been reworded toward its maintenance.
• Total Silver limits of 0.10 µg/L monthly average and 2.2 µg/L daily maximum were added to the permit
with monthly monitoring. A footnote has been added to the Effluent Sheet for Silver to test and report
to the lower reporting level of the procedure [See A. (2.)]. 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.
• Based on interpretation of instream conductivity data showing an increase downstream, daily effluent
Conductivity monitoring has been added to the permit [See A. (2.)].
• Based on Best Professional Judgement(BPJ) in consideration of the submitted groundwater modeling
results and the porosity of the bedrock below East Lake bordering the Neuse River,a 50%TN credit is
assigned to wastewater diversion to the East Lake High-Rate Infiltration Disposal System that will
expire upon the next permit cycle [See A. (5.)].
• For consistency with other instream monitoring parameters, vertical instream monitoring for pH has
been changed from top and bottom to every 1-foot interval throughout the water column [See A. (6.)].
• Some of the wording has changed in Special Condition A. (10.), Acute Toxicity Permit Limit, please
review each paragraph carefully.
• Special Condition A. (12.)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 122.21(j)(5)] have been added.
• 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) intemet application has been added
to your NPDES permit[See Special Condition A. (13.)].
• Parameter codes have been added to the Effluent Limitations and Monitoring Requirements [See A.
(1.)through A. (5.)] and Instream Monitoring Requirements [See A. (6.)].
• Regulatory citations have been added to the permit.
• The facility map has been updated to show instream monitoring locations.
Pretreatment updates in response to NPDES permit renewal:
• On June 5, 2023, 180 days after the effective date of this NPDES permit renewal, the City is
required to submit to the Division a written technical evaluation of the need to revise local limits
(i.e., an updated IWS/HWA-AT/L-STMP, or documentation of why is not needed). This action
may include revising,updating,or adding to the list of SIUs regardless of timeframe.
o Submit the updated Long-Term Monitoring Plan(LTMP)
• If there are new industries within the service area, submit an updated Industrial
Waste Survey(IWS)
• Review pollutants of concern(POCs)and update the LTMP to reflect pollutants in
industrial user permits(IUPs)and sludge management permit.
• Update the POC PQLs to recommended levels:
• Arsenic (As)at 2.0 µg/L
• Cadmium(Cd)at 0.5 µg/L
• Copper(Cu)at 2.0 µg/L
North Carolina Department of ironm Quli I Dio of
D �� 5l2 North Salisbury Street 11611Env Mail Service Center I Raleighivisn,NorthWater CarolinaResources 27699-1611
0...m�.o a i,.`o.w le CV\ /"� 919.707.9000

DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
• Lead(Pb)at 2.0 µg/L
• Nickel(Ni)at 5.0 at µg/L
• Silver(Ag)at 1.0 µg/L
o As part of the local limits assessment, please submit the updated Headworks Analysis
1 (HWA).
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.
If any parts, measurement frequencies or sampling requirements contained in this permit are unacceptable
to you,you have the right to an adjudicatory hearing upon written request within thirty(30)days following
receipt of this letter. This request must be in the form of a written petition,conforming to Chapter 150B of
the North Carolina General Statutes, and filed with the Office of Administrative Hearings (6714 Mail
Service Center, Raleigh,North Carolina 27699-6714).Unless such demand is made, this decision shall be
final and binding.
Please note that this permit is not transferable except after notice to the Division.The Division may require
modification or revocation and reissuance of the permit.This permit does not affect the legal requirements
to obtain other permits which may be required by the Division of Water Resources or any other Federal,
State,or Local governmental regulations.
If you have any questions concerning this permit,please contact Gary Perlmutter at(919) 707-3611 or via
email at [e-mail].
Sincerely,
oocuS gnsd by:
i I dl
C464531431644FE..
for Richard E. Rogers Jr., Director
Division of Water Resources,NCDEQ
Hardcopy: NPDES Files
e-Copy: US EPA Region 4
DWR/Washington Regional Office/Water Quality/Robert Tankard
DWR/Operator Certification Program/Maureen Kinney
DWR/Ecosystems Branch/Mark Vander Borgh
DWR/Basin Planning/Nora Deamer
DWR/Aquatic Toxicology Branch/Cindy Moore
City of New Bern/Tony Hawkins(ORC),
Jordan Hughes(City Engineer),
Sara Rhodes(Pretreatment coordinator)
E Q North Cazolina Deparunent of Environmental Quality I Division of Water Resources
5l2 North Salisbury Street I l6l I Mail Service Center I Raleigh,North Cazolina 27699-1611
drorun:m ei In Cl
919.707.9000

DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
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,the
City of New Bern
is hereby authorized to discharge wastewater from a facility located at the
New Bern Wastewater Treatment Plant
NCSR 1404, Craven County
and
New Bern Water Treatment Plant
NC Highway 55, Craven County
to receiving waters designated as the Neuse River Estuary in the Neuse River Basin
in accordance with the effluent limitations, monitoring requirements, and other applicable conditions set forth in
Parts I,II, III,and IV hereof.
This permit shall become effective January 01,2023.
This permit and authorization to discharge shall expire at midnight on June 30, 2027.
Signed this day December 7, 2022.
L
IDoIclu,Sign.d byy:tt kk1 J.
Ati
C464531431644FE...
for Richard E. Rogers,Jr.,Director
Division of Water Resources
ByAuthorityof the Environmental Management Commission
g

DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
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 New Bern
is hereby authorized to:
1. Continue to operate the existing wastewater treatment works identified on the Cover, an existing 6.5 MGD
through Internal Outfall 002 and consisting of the following components:
• Influent flow meter
• Automatic and manual bar screen
• Grit removal
• Flow splitter box
• 4 anaerobic basins
• 2 anoxic basins
• 2 oxidation ditches with 2 mixers each
• 2 secondary anoxic basins
• 2 reaeration basins
• Secondary flow splitter box
• 2 clarifiers
• 3-cell tertiary filter
• Flash mix tank
• 2 chlorine contact tanks with liquid chlorine
• Dechlorination with sodium bisulfite
• Reaeration basin with 2 discharge basins
• 2 effluent flow meters
• Diffuser
• 3 aerated sludge tanks
• Filter press
• Pasteurization(lime and heat)vessel
• Sludge storage area
The facility is located at the New Bern WWTP, off NCSR 1404 near New Bern in Craven County.
2. Continue to operate and maintain a drinking water treatment plant(WTP)with a discharge line of wastewater
from filter backwash and softener regeneration backwash through Internal Outfall 003. The WTP wastewater
treatment system consists of the following components:
• Settling lagoon
• Pump
• Force main to tie into the existing WWTP discharge line, with a check valve installed between
the WTP and the line to the quarry.
This facility is located at the New Bern Water Treatment Plant TW#2 WTP, off NC Highway 55 near New
Bern in Craven County.
3. Discharge from said treatment works at the location specified on the attached map through Outfall 001 into
the Neuse River,classified SC-Swamp NSW waters in the Neuse River Basin and 03020202 HUC.
4. Continue to operate a pump station, force main, and infiltration system and discharge treated wastewater to
the former Martin Marietta quarry (East Lake), in accordance with the terms and conditions of Permit
WQ0017635.
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Pennit NC0025348
PART I
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS-Outfall 001
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.]
a. During the period beginning on the effective date of the permit and lasting until permit expiration, the
Pennittee is authorized to discharge treated filter backwash and softener regeneration backwash from the
Water Treatment Plant and treated wastewater from the Wastewater Treatment Plant via Outfall 001. Such
discharges shall be limited and monitored` by the Pennittee as specified below:
EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS
Monthly Weekly Daily Measurement Sam le Tye Sample
p
Parameter Code Average Average Maximum Frequency p Location 2
Flow(MGD) 50050 Monitor and Report Daily Calculated 3 El
Acute Toxicity 4 TGE3E Monitor and Report Quarterly Composite El
Footnotes:
1. Submit discharge monitoring reports electronically using NC DWR's eDMR application system. See Section A.
(13.).
2. El = Combined Effluent to river; E2 = WWTP Effluent to Internal Outfall 002; E3 = WTP Effluent to Internal
Outfall 003;ES=WWTP Effluent to East Lake quarry disposal system.
3. The daily flow to the river shall be calculated as follows:
Effluent Flow(El)=WWTP Effluent Flow(E2)-Flow to Quarry(ES)+WTP Effluent Flow(E3)
4. Acute Toxicity(Mysidopsis bahia)P/F at 90%effluent with testing in March,June,September and December[See
A. (10.)]. Samples for Whole Effluent Toxicity Test shall be representative of the discharge. If the WWTP effluent
is being diverted to the quarry, it must not be diverted to discharge to the diffuser for the purpose of diluting the
WTP effluent.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Footnote
1. E 1 =Combined Effluent to river;E2=WWTP Effluent to Internal Outfall 002;E3=WTP Effluent to Internal
Figure 1. Effluent Waste Stream and Outfall Configuration'
(Former 004)
E Lake Reclamation
Facility(WQ0017635)
<1?
Ouarry(East Lake) / Neuse
River
005* Subsurface Flow
(E5) 001 (El)
New Bern *02(E2) �[ �J / 006
WWTP �J (E6)
New Bern 003(E3)
WTP
Outfall 003;ES=WWTP Effluent to East Lake quarry disposal system;E6=Net WWTP Effluent to river.
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Permit NC0025348
A. (2.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS-Outfall 002 (6.5 MGD)
[15A NCAC 02B .0400 et seq., 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 the Wastewater
Treatment Plant via Internal Outfall 002. Such discharges shall be limited and monitored' by the Permittee as
specified below:
EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS
Monthly Weekly Daily Measurement Sample
Parameter Code Average Average Maximum Frequency Sample Type Location 2
Flow 50050 6.5 MGD 3 Continuous Recording I,E2
BOD,5-day,20°C Summer 5.0 mg/L 7.5 mg/L 2/week 5 Composite 1,E2
(Apr 1 -Oct 31)4
C0310
BOD,5-day,20°C Winter 10.0 mg/L 15.0 mg/L 2/week 5 Composite I,E2
(Nov 1 -Mar 31)4
Total Suspended Solids(TSS)4 C0530 30.0 mg/L 45.0 mg/L 2/week 5 Composite I,E2
Ammonia(NH3 N)Summer 1.0 mg/L 3.0 mg/L 2/week 5 Composite E2
(Apr 1 -Oct 31)
C0610
Ammonia(NH3-N)Winter 2.0 mg/L 6.0 mg/L 2/week 5 Composite E2
(Nov 1 -Mar 31)
pH 00400 Between 6.8 and 8.5 Standard Units Daily Grab E2
Enterococci 61211 35/100 mL 276/100 mL 2/week 5 Grab E2
(geometric mean)
Total
(TRC)6 Residual Chlorine 50060 13.0 µg/L Daily Grab E2
Dissolved Oxygen(DO) 00300 Daily Average>5.0 mg/L Daily Grab E2
Temperature(°C) 00010 Monitor and Report Daily Grab E2
Conductivity 00094 Monitor and Report Daily Grab E2
Total Silver' 01077 0.10 2.2 Quarterly Composite E2
Total Zinc 01092 Monitor and Report Quarterly Composite E2
Total Nitrogen(TN)(mg/L)8 C0600 Monitor and Report Weekly Composite E2
TN Load 8 9 QM600 Monitor and Report(lb/mo) Monthly Calculated E2
QY600 Monitor and Report(Ib/yr) Annually
Total Phosphorus(TP)(mg/L) C0665 2.0 mg/L(quarterly average)1° Weekly Composite E2
Bromodichloromethane 38693 Monitor and Report Quarterly Grab E2
Effluent Pollutant Scan NC01 Monitor and Report Footnote 11 Footnote 11 E2
Footnotes:
1. The Permittee shall submit Discharge Monitoring Reports electronically using NCDWR's eDMR application
system. See Special Condition A. (13.).
2. Sample locations: I=Influent to WWTP;E2=WWTP Effluent to Internal Outfall 002.
3. The Permittee may measure flow through the treatment plant and/or flow to Internal Outfall 002 using any reasonable
combination of measurements that will provide accurate results.Whenever separate flow measurements are used to
calculate either of these reportable flows,the daily sum of the component flows shall be calculated first,and monthly
average flow shall then be calculated as the average of these daily flows.
4. The monthly average effluent BOD5 and TSS concentrations shall not exceed 15%of the respective influent value
(85%removal).
5. Twice per week sampling must occur on any two non-consecutive days during the calendar week.
Footnotes continue on the next page.
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Permit NC0025348
Footnotes(continued).
6. 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.
7. Samples shall be analyzed and reported to the lower reporting level of the procedure.
8. For a given wastewater sample,TN=TKN+NO3-N+NO2-N where TN is Total Nitrogen,TKN is Total Kjeldahl
P g
Nitrogen,and NO3-N and NO2-N are Nitrate and Nitrite Nitrogen,respectively.
9. TN Load is the mass load of TN discharged by the Permittee in a period of time. See Special Condition A.(7.).
10. The quarterly average for total phosphorus shall be the average of composite samples collected weekly during each
calendar quarter(January-March,April-June,July-September,October-December).
11. The Permittee shall perform three Effluent Pollutant Scans during the term of this permit; see Section A.(12.).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
A. (3.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS—Outfall 003
[15A NCAC 02B .0400 et seq.,02B .0500 et seq.]
a. During the period beginning on the effective date of the permit and lasting until permit expiration, the
Permittee is authorized to discharge treated filter backwash and softener regeneration backwash from the
Water Treatment Plant from internal Outfall 003. Such discharges shall be limited and monitored' by the
Permittee as specified below:
EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS
Monthly Weekly Daily Measurement Sample
Parameter Code Average Average Maximum Frequency Sample Type Location 2
Flow-003 50050 Monitor and Report Continuous Recording E3
(TRC)
Residual Chlorine 50060 13.0 µg/L 2/Month Grab E3
Total Dissolved Solids(TDS) C0530 Monitor and Report Monthly Grab E3
pH 00400 Between 6.8 and 8.5 Standard Units 2/Month Grab E3
Total Suspended Solids(TSS) 70295 30.0 mg/L 45.0 mg/L 2/Month Grab E3
Turbidity(ntu) 00070 Monitor and Report Monthly Grab E3
Ammonia(NH3-N) C0610 Monitor and Report Quarterly Composite E3
Salinity(960) 00480 Monitor and Report Monthly Composite E3
Footnotes:
1. Submit discharge monitoring reports electronically using NCDWR's eDMR application system;see Section A.(13.).
2. Sample location:E3=WTP Effluent to Internal Outfall 003.
3. 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.
b. All samples collected should be from a representative discharge event.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
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Permit NC0025348
A. (4.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS—Outfall 005
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.]
a. During the period beginning on the effective date of the permit and lasting until permit expiration, the
Permittee is authorized to discharge treated effluent from the Wastewater Treatment Plant (internal outfall
002)to the East Lake quarry infiltration system(internal outfall 005)in accordance with permit WQ0017635.
Such discharges shall be limited and monitored' by the Permittee as specified below:
EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS
•
Monthly Weekly Daily Measurement Sample Type Sample
Parameter Code Average Average Maximum Frequency Location 2
Flow(MGD) 50050 Monitor and Report Daily Recording E5
Total Monthly Flow R2220 Monitor and Report MonthlyRecording or
P ES
(MG/month) Calculated
Footnotes
1. Submit discharge monitoring reports electronically using NCDWR's eDMR application system; see Special
Condition A.(13.).
2. Sample location:E5=WWTP Effluent to East Lake Quarry Infiltration System.
A. (5.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS—Outfall 006
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.]
a. During the period beginning on the effective date of the permit and lasting until expiration,the Permittee
is authorized to discharge treated wastewater from internal Outfall 006. Such discharges shall be limited
and monitored' by the Permittee as specified below:
PARAMETER EFFLUENT LIMITATIONS MONITORING REQUIREMENTS
Monthly Weekly Daily Measurement Sample Sample
Parameter Code Average Average Maximum Frequency Type Location 2
QM600 Monitor and report(lb/month) Monthly Calculated E6
Net TN Load QY600
64,210 lb/year 3 Annually Calculated E6
Footnotes
1. Submit discharge monitoring reports electronically using NCDWR's eDMR application system; see Special
Condition A.(13.).
2. Sample location:E6=Net WWTP Effluent to river.
3. The Net TN Load discharged to the Neuse River shall be calculated as follows:
Net TN Load=TN Load(Outfall 002)—TN Credits
where TN Credits(50%credit)=TN Load to East Lake(Outfall 005)x 0.5.
TN Loads at Outfalls 002 and 005 shall be calculated as prescribed in condition A.(7.),Calculation of Total Nitrogen
Loads.
4. See related TN monitoring requirements in conditions A.(2.)(Outfall 002)and A.(4.)(Outfall 005).
b. The Net TN Load at Internal Outfall 006 shall be the measure of the Permittee's total nitrogen discharge to
surface waters for the purpose of determining compliance with the TN Load limit established pursuant to the
Neuse River Basin Nutrient Management Strategy.
c. The New Bern WWTP has the ability to divert treated effluent from its Neuse River discharge to the Martin
Marietta (East Lake) Quarry, thereby reducing its surface water discharge and the associated nitrogen load.
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Permit NC0025348
The Permittee may receive credit for this reduction, as described in this condition,in order to comply with the
Net TN Load limitation.
d. The Permittee will be credited for 50% nitrogen load diverted from the Neuse River discharge (Outfall 001)
to the Quarry(Outfall 005)until permit expiration.
e. Nitrogen credits shall accrue on a monthly basis and shall be valid only for the calendar year in which they
accrue.
f. The nitrogen credits described in this condition do not account for nitrogen diversions to the Mackilwean Turf
Farm or other reclaimed water irrigation facilities.
A. (6.) INSTREAM MONITORING REQUIREMENTS [15A NCAC 02B .0200 et seq.]
a. During the period beginning on the effective date of the permit and lasting until permit expiration, the
Permittee shall perform instream sampling upstream and downstream of Outfall 001 as specified below.
Instream monitoring is provisionally waived considering the Permittee's participation in the Lower Neuse
Basin Association. Instream monitoring shall be immediately reinstated and the Division shall be notified
immediately should the Permittee end its participation in the Association.
PARAMETER SAMPLE TYPE MONITORING FREQUENCY Sample
Parameter Code Jun 1—Sep 30 Oct 1—May 31 Location 2
Dissolved Oxygen(DO)(mg/L) 00300 Grab 3/week Weekly U,D
Temperature(°C) 00010 Grab 3/week Weekly U,D
Conductivity(µmhos/cm) 00094 Grab 3/week Weekly U,D
pH(SU) 00400 Grab 3/week Weekly U,D
Salinity(%o) 00480 Grab 3/week Weekly U,D
Footnotes:
1. All upstream and downstream samples shall be grab samples. All instream samples shall be collected at one-foot
intervals,measured vertically in the water column from the top to the bottom.
2. Sampling Locations: U=Upstream at Gap Landing; D=D1 +D2; D1 =Downstream at mid-channel across from
Lewis Ferry;D2=Downstream at mid-channel at US Highway 17.
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Permit NC0025348
A.(7.) CALCULATION OF TOTAL NITROGEN LOADS—NEUSE ESTUARY [NCGS 143-215.1(b)]
a. The Permittee shall calculate monthly and annual TN Loads as follows:
(i.) Monthly TN Load(lb/mo)=TN x TMF x 8.34
where: TN = the average Total Nitrogen concentration (mg/L) of the composite samples
collected during the month
TMF = the Total Monthly Flow of wastewater discharged during the month
(MG/month)
8.34 = conversion factor, from(mg/L x MG)to pounds
(ii.) Annual TN Load(ib/yr)=Sum of the 12 Monthly TN Loads for the calendar year
b. The Permittee shall report monthly Total Nitrogen results(mg/L and lb/mo)in the discharge monitoring report
for that month and shall report each year's results (lb/yr)in the December report for that year.
A. (8.) ANNUAL LIMITS FOR TOTAL NITROGEN—NEUSE ESTUARY[NCGS 143-215.1(b)]
a. Total Nitrogen(TN)allocations and TN Load limits for NPDES dischargers in the Neuse River basin apply
on a calendar year basis.
b. For any given calendar year, the Permittee shall be in compliance with the annual TN Load limit in this
Permit if:
(i.) the Permittee's annual TN discharge is less than or equal to its TN Load 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 discharge exceeds the effective TN Load limit in this permit at any point during the calendar
year,the Permittee is in violation of its TN Load limit,and each day of a continuing violation shall constitute
a separate violation.
d. The TN Load limit in this Permit (if any) may be modified as the result of allowable changes in the
Permittee's TN allocation.
(i.) Allowable changes include those resulting from purchase of TN allocation from the Wetlands
Restoration Fund; 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 Load limit in this Permit to reflect allowable
changes in its TN allocation.Upon receipt of timely and proper application,the Division will modify
the permit as appropriate and in accordance with state and federal program requirements.
(iii.) Changes in TN 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.
(iv.) Application shall be sent to:
North NCDWR/NPDES Wastewater Program
Attn: Neuse River Basin Coordinator
1617 Mail Service Center
Raleigh,NC 27699-1617
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
e. If the Permittee is a member and co-permittee of an approved compliance association, its TN discharge
during that year is governed by that association's group NPDES permit and the TN 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 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.
f. The TN monitoring and reporting requirements in this Permit remain in effect until expiration of this Permit
and are not affected by the Permittee's membership in a compliance association.
A. (9.) TOTAL NITROGEN ALLOCATIONS—NEUSE ESTUARY [NCGS 143-215.1(b)]
a. The following table lists the Total Nitrogen (TN)allocation(s) assigned to, acquired by, or transferred to the
Permittee in accordance with the Neuse River nutrient management rule (T15A NCAC 02B .0700) and the
status of each as of permit issuance. These allocations are not enforceable limits, nor do they supersede any
TN limit(s)established elsewhere in this permit or in the NPDES permit of a compliance association of which
the Permittee is a Co-Permittee Member.
ALLOCATION AMOUNT'
ALLOCATTYION SOURCE DATE Estua STATUS
rY Discharge(Ib/yr)
(Ib/yr)
Base Assigned by Rule' 12/7/97' 52,937 52,937 Active
4/1/03
Connection of Zachary
Supplemental Taylor WWTP- 2/5/2002 5.632 5,632 Active
NC0066613
Connection of Neuse
Supplemental Woods Apartments 5/22/2003 243 243 Active
WWTP-NC0042430
Connection of W.Craven
Supplemental Middle School WWTP- 8/12/2003 344 344 Active
NC0029904
Connection of Neuse River
Supplemental W&S WWTP- 6/27/2005 2,022 2,022 Active
NC0070084
Connection of Craven Co.
Supplemental W&S WWTP— 6/30/2005 3,033 3,033 Active
NC0056545
TOTAL 64,210 64,210 Active
Footnotes:
1. Transport Factor= 100%.Values are displayed to the nearest pound per year.
2. Rule 15A NCAC 02B.0713(formerly 02B.0234)
b. Any addition, deletion, or modification of the listed allocation(s)(other than to correct typographical errors)
or any change to Active 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.
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
A. (10.) SALTWATER-ACUTE TOXICITY PASS/FAIL LIMIT(QUARTERLY)
[15A NCAC 02B .0200] [15A NCAC 02B .0500 et seq]
The Permittee shall conduct acute toxicity tests on a quarterly basis using protocols defined in the North Carolina
Procedure Document entitled "Pass/Fail Methodology for Determining Acute Toxicity In A Single Effluent
Concentration"(Revised December 2010,or subsequent versions). The monitoring shall be performed as a Mysid
Shrimp (Mysidopsis bahia) 24-hour static test. The effluent concentration at which there may be at no time
significant acute mortality is 90% (defined as treatment two in the procedure document). The tests will be
performed during the months of March,June,September, and December.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 (i.e., when including WTP discharge and not diverted to East
Lake)and shall be performed at the NPDES permitted final effluent discharge below all treatment processes.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly monitoring will
begin immediately until such time that a single test is passed. Upon passing, this monthly test requirement will
revert to quarterly in the months specified above.
All toxicity testing results required as part of this permit condition will be entered electronically using the
Division's eDMR system for the month in which it was performed, using the parameter code TGE3E.
Additionally, DWR Form AT-2 (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,ATForms.ATBAncdenr.gov
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, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this monthly test
requirement will revert to quarterly in the months specified above. 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 either these monitoring requirements 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 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.
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
A. (11.) NON-DETECTION REPORTING AND DETERMINATION OF COMPLIANCE
[NCGS 143-215.1(b)]
When pursuant to this permit a pollutant analysis is conducted using an approved analytical protocol with the
appropriate minimum detection level and a result of"non-detectable" or "below quantitation limit" is obtained,
the Permittee shall record that result as reported. For the purpose of determining compliance with a permit limit
for the pollutant,the numerical value of that individual analytical result shall be zero.
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
A.(12.) ADDITIONAL MONITORING REQUIREMENTS FOR PERMIT RENEWAL
[NCGS 143-215.1(6)]
(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.(10.)
SALTWATER-ACUTE TOXICITY PASS/FAIL 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 C0034 Trichloroethylene 39180 1,4-dichlorobenzene 34571
Copper 01042 Vinyl chloride 39175 3,3-dichlorobenzidine 34631
Lead 01051 Acid-extractable compounds: Diethyl phthalate 34336
Mercury(Method 1631E) COMER 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(PQL=1 µg/L) 01077 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 CO700
Total phenolic compounds 32730 4-nitrophenol 34646 Hexachlorobutadiene C0702
Volatile organic compounds: Pentachlorophenol 39032 Hexachlorocyclo-pentadiene 34386
Acrolein 34210 Phenol 34694 Hexachloroethane • 34396
Acrylonitrile 34215 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
(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
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BGC7
Permit NC0025348
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.) 2°d Species Toxicity Testing and Reporting.
(i.) In addition to the quarterly toxicity tests required in Condition A. (10.) SALTWATER-ACUTE
TOXICITY PASS/FAIL LIMIT(QUARTERLY), the Permittee shall perform and report the results
of four (4) toxicity tests using a second species and protocols defined as definitive in the EPA
document EPA-821-R-02-012 entitled "Methods for Measuring the Acute Toxicity of Effluents to
Freshwater and Marine Organisms." The 2nd species toxicity test shall be performed as a Menidia
beryllina(Inland Silverside)48-hour static test. The LC50 of this effluent using the previously stated
methodology may at no time in any toxicity test be less than 90%.
(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 Condition A.
(10.) [SALTWATER-ACUTE TOXICITY PASS/FAIL LIMIT(QUARTERLY)],);or)
(B) Once per 12-month period in the four-and one-half(4 Y2) 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 using the parameter code TCM6B 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,ATForms.ATB@a,ncdenr.gov.
(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.
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
A. (13.) ELECTRONIC REPORTING—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)!
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 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:
North Carolina Division of Water Resources
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).
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.
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
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)l
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:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or
supervision in accordance with a system designed to assure that qualified personnel properly gather and
evaluate the information submitted. Based on my inquiry of the person or persons who manage the system,
or those persons directly responsible for gathering the information, the information submitted is, to the best
of my knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for
submitting false information, including the possibility of fines and imprisonment for knowing violations."
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
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 122.41].
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DocuSign Envelope ID:2D536D25-33EF-4FC0-9954-07BB8BC1BCC7
Permit NC0025348
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New Bern Wastewater Treatment Plant and
Water Treatment Plant
Facility Location
Receiving Stream: Neuse River
N Stream Classification: SC-Swamp NSW
USGS Quad: G30NE River Basin: Neuse
(New Bern) Sub-Basin #: 03-04-10
Assessment Number: 27-(96)bl
Page 17 of 17