HomeMy WebLinkAboutNC0021024_Draft Permit_20180627 ROY COOPER
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Interim Director
Water Resources
ENVIRONMENTAL QUALITY
June 27,2018
Mr. Thomas S. Warren Jr.
City of Roxboro
PO Box 128
Roxboro, North Carolina 27573
Subject: NPDES Permit NC0021024
City of Roxboro WWTP
Person County
Class 4 Facility
Dear Mr. Warren:
The Division has received and reviewed your request to renew the subject permit. Enclosed
with this letter is a copy of the draft permit for your facility. Please review this draft carefully to ensure
thorough understanding of the conditions and requirements it contains.
This draft permit includes the following changes from your current permit:
➢ A reasonable potential analysis (RPA) was performed based on recent effluent data. As a
result of the RPA limits for copper were added to the permit. A schedule of compliance of 4
years for the total copper limit is included in Special condition A.(5). In addition,quarterly
monitoring for nickel was added to the permit.
➢ Following the Reduced Monitoring Frequency Guidance the facility qualifies for the
monitoring reduction for BOD,TSS and fecal coliform. Monitoring was reduced from daily
to 3/week. Ammonia was not considered for the reduction in monitoring frequency
because a new limit will take effect in 2019. The Division will need three years of data under
the new limit to grant the reduction in monitoring.
➢ 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. The requirement to begin reporting discharge monitoring
data electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR)
Internet application has been added to your final NPDES permit. [See Special Condition A.
(6)]
For information on eDMR,registering for eDMR and obtaining an eDMR user account,
please visit the following web page: http://deq.nc.gov/about/divisions/water-
resources/edmr.
For more information on EPA's final NPDES Electronic Reporting Rule, please visit the
following web site:
State of North Carolina I Environmental Quality I Water Resources
1617 Mail Service Center I Raleigh,NC 27699-1617
919 807 6300 919-807-6389 FAX
https://deq.nc.gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/npdes-wastewater-permits
https://www.f ederalregister.goy/documents/2015/10/22/2015-24954/national-pollutant-
discharge-elimination-system-npdes-electronic-reporting-rule.
➢ The NPDES Standard conditions (Parts II,III,and IV) are not included with this draft. They
can be found at the following link to review them in conjunction with this draft permit:
https://deq.nc.gov/permitting-forms.
Concurrent with this notification the Division is publishing a notice in a newspaper having
circulation in the general Person County area, soliciting public comments on this permit draft. Please
provide any comments you may have to the DEQ-DWR, NPDES Program no later than 30 days after
receiving this draft permit.
Following the 30-day public comment period, the Division will review all pertinent comments
and take appropriate action prior to issuing a final permit. If you have questions concerning this draft
permit,please call me at(919) 807-6387 or by email at Teresa.rodriguez@ncdenr.gov.
Sincerely,
Teresa Rodriguez
NPDES Complex Permitting Unit
cc: NPDES Files
EPA Region 4 (e-copy)
Raleigh Regional Office/ Water Quality Program (e-copy)
Operators Certification Program, Maureen Kinney (e-copy)
Aquatic Toxicology Branch,Susan Meadows (e-copy)
Permit NC0021024
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
NPDES 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 Roxboro
is hereby authorized to discharge wastewater from outfalls located at the
Roxboro Wastewater Treatment Plant
902 Cavel-Chub Lake Road, Roxboro
Person County
to receiving waters designated as the Marlowe Creek within the Roanoke River Basin in accordance with
effluent limitations, monitoring requirements,and other conditions set forth in Parts I, II, II,and IV hereof.
This permit shall become effective
This permit and authorization to discharge shall expire at midnight on May 31,2022.
Signed this day
DRAFT
Linda Culpepper,Interim Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit NC0021024
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES permits issued to this facility,whether for operation or discharge are hereby revoked,
and as of this 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 described herein.
City of Roxboro
is hereby authorized to:
1. Continue discharging 5.0 MGD of domestic and industrial wastewater from the existing wastewater
treatment facility located at the Roxboro Wastewater Treatment Plant, 902 Cavel-Chub Lake Road,
Roxboro,Person County,and consisting of:
• a septic tank unloading facility
• two bar screens
• two grit removal devices
• two aeration basins (3 MG each)
• three secondary clarifiers
• a disinfection system(sodium hypochlorite) with two contact chambers
• a calcium thiosulfate dechlorination system
• two aerobic digesters
• sludge dewatering facility
• three sludge drying beds.
2. Discharge from said treatment works through Outfall 001 at a specified location (see attached map)
into Marlowe Creek, a waterbody classified as C waters within the Roanoke River Basin.
Page 2 of 10
Permit NC0021024
Part I
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B .0400 et seq.,02B
.0500 et seq.] Grade 4 Biological Control System
During the period beginning on the effective date of the permit and lasting until expiration,the permittee is
authorized to discharge through Outfall 001. Such discharges shall be limited and monitored by the permittee as
specified below:
EFFLUENT EFFLUENT LIMITS MONITORING REQUIREMENTS
CHARACTERISTICS
Monthly Weekly Daily Measurement Sample Sample
[PARAMETER CODE] Average Average Max. Frequency Type Location'
Flow [50050] 5.0 MGD Continuous Recording I or E
BOD,5 day,20°C 2(April 1 - 16.0 mg/L 24.0 mg/L 3/Week Composite I,E
October 31) [C0310]
BOD,5 day,20°C 2(Nov. 1 -March 20.0 mg/L 30.0 mg/L 3/Week Composite I,E
31) [C0310]
Total Suspended Solids2 [C0530] 30.0 mg/L 45.0 mg/L Daily Composite I,E
NH3 as N (April 1 -October 31) 5.0 mg/L3 15.0 mg/L3 Daily Composite E
[C0610]
NI-13 as N (Nov. 1 -March 31) 13.0 mg/L3 35.0 mg/L3 Daily Composite E
[C0610]
NH3 as N (April 1 -October 31)3 1.0 mg/L4 3.0 mg/L4 Daily Composite E
[C061 0]
NH3 as N (Nov. 1 -March 31)3 1.8 mg/L4 5.4 mg/L4 Daily Composite E
[C0610]
Fecal Coliform(geometric mean) 200/100 mL 400/100 mL 3/Week Grab E
[31616]
Total Residual Chlorine(TRC)5 17 µg/L Daily Grab E
[50060]
Dissolved Oxygen 6 [00300] Daily Grab E
Temperature(°C) [00010] Daily Grab E
pH [00400] 6.0 to 9.0 S.U. Daily Grab E
Total Nitrogen(mg/1) [C0600] Monthly Composite E
Total Phosphorus(mg/1) [C0665] Monthly Composite E
Oil and Grease(mg/1) [00556] 30 mg/L Weekly Grab E
Total Copper [01042] 14.8 µg/L' 21.0 1.tg/L7 Monthly Composite E
Total Zinc(µg/1) [01092] Quarterly Composite E
Total Nickel(µg/L) [01067] Quarterly Composite E
Chronic Toxicity8 [TGP3B] Quarterly Composite E
Hardness(as CaCO3)(mg/1) Quarterly Grab E,U
[00900]
Conductivity(umhos/cm) [00094] Variable 9 Grab U,D
Temperature,°C [0001 0] Variable 9 Grab U,D
Dissolved Oxygen (mg/1) [00300] Variable 9 Grab U,D
Effluent Pollutant Scan [NC01] Monitor and Report Footnote 10 Footnote 10 E
Footnotes:
1. Sample Locations: E-Effluent;I-Influent;U-Upstream at NCSR 1351;D-Downstream at NCSR 1322.
Page 3 of 10
Permit NC0021024
2. The monthly average effluent BODS and TSS concentrations shall not exceed 15% of respective influent value
(i.e.,85% removal is required).
3. Limits expire on August 31,2019.
4. Limits become effective September 1,2019.
5. The Division shall consider all effluent TRC values reported below 50µg/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 50µg/L.
6. Daily average dissolved oxygen effluent concentration shall not fall below 5.0 mg/L.
7. Total copper limits become effective<<4 years from permit issuance date>>.The facility shall follow the
compliance schedule listed in Special condition A.(5).
8. Chronic Toxicity(Ceriodaphnia)at 90 %;quarterly during March,June,September,and December, [see A(2)].
9. Variable:instream samples shall be collected upstream and downstream 3/week during the summer months of
June,July,August,and September;and shall be collected weekly during the rest of the year.
10. The permittee shall perform three effluent pollutant scans during the term of this permit[see A(3)].
Effluent shall contain no floating solids or foam visible in other than trace amounts.
A.(2) CHRONIC TOXICITY PERMIT LIMIT(QUARTERLY) [15A NCAC 02B.0200]
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 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 and shall be performed at the NPDES permitted
final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below the permit
limit,then multiple-concentration testing shall be performed at a minimum,in each of the two following months
as described in "North Carolina Phase 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 on the Effluent Discharge
Monitoring Form(MR-1)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:
Attention: North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh,NC 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30 days after the
end of the 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.
Page 4of10
Permit NC0021024
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.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Water
Resources indicate potential impacts to the receiving stream,this permit may be re-opened and modified to include
alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document,such as minimum control organism
survival,minimum control organism reproduction,and appropriate environmental controls,shall constitute an
invalid test and will require immediate follow-up testing to be completed no later than the last day of the month
following the month of the initial monitoring.
A. (3) EFFLUENT POLLUTANT SCAN [15A NCAC 02B .0500 et seq.]
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: 2019,2020, and 2021. 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. Samples should be collected with one quarterly toxicity test each year,and must
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) Trans-1,2-dichloroethylene Bis(2-chloroethyl)ether
Chlorine(total residual,TRC) 1,1-dichloroethylene Bis(2-chloroisopropyl)ether
Dissolved oxygen 1,2-dichloropropane Bis(2-ethyihexyl)phthalate
Nitrate/Nitrite 1,3-dichloropropylene 4-bromophenyl phenyl ether
Kjeldahl nitrogen Ethylbenzene Butyl benzyl phthalate
Oil and grease Methyl bromide 2-chloronaphthalene
Phosphorus Methyl chloride 4-chlorophenyl phenyl ether
Total dissolved solids Methylene chloride Chrysene
Hardness 1,1,2,2-tetrachloroethane Di-n-butyl phthalate
Antimony Tetrachloroethylene Di-n-octyl phthalate
Arsenic Toluene Dibenzo(a,h)anthracene
Beryllium 1,1,1-trichloroethane 1,2-dichlorobenzene
Cadmium 1,1,2-trichloroethane 1,3-dichlorobenzene
Chromium Trichloroethylene 1,4-dichlorobenzene
Copper Vinyl chloride 3,3-dichlorobenzidine
Lead Acid-extractable compounds: Diethyl phthalate
Mercury(EPA Method 1631E) P-chloro-m-cresol Dimethyl phthalate
Nickel 2-chlorophenol 2,4-dinitrotoluene
Selenium 2,4-dichlorophenol 2,6-dinitrotoluene
Silver 2,4-dimethylphenol 1,2-diphenylhydrazine
Page 5 of 10
Permit NC0021024
Thallium 4,6-dinitro-o-cresol Fluoranthene
Zinc 2,4-dinitrophenol Fluorene
Cyanide 2-nitrophenol Hexachlorobenzene
Total phenolic compounds 4-nitrophenol Hexachlorobutadiene
Volatile organic compounds: Pentachlorophenol Hexachlorocyclo-pentadiene
Acrolein Phenol Hexachloroethane
Acrylonitrile 2,4,6-trichlorophenol Indeno(1,2,3-cd)pyrene
Benzene Base-neutral compounds: Isophorone
Bromoform Acenaphthene Naphthalene
Carbon tetrachloride Acenaphthylene Nitrobenzene
Chlorobenzene Anthracene N-nitrosodi-n-propylamine
Chlorodibromomethane Benzidine N-nitrosodimethylamine
Chloroethane Benzo(a)anthracene N-nitrosodiphenylamine
2-chloroethylvinyl ether Benzo(a)pyrene Phenanthrene
Chloroform 3,4 benzofluoranthene Pyrene
Dichlorobromomethane Benzo(ghi)perylene 1,2,4-trichlorobenzene
1,1-dichloroethane Benzo(k)fluoranthene
1,2-dichloroethane Bis(2-chloroethoxy)methane
Reporting. Test results shall be reported on DWQ Form-A MR-PPA1 (or in a form approved by the Director)by
December 31st of each designated sampling year. The report shall be submitted to the following address:NC DEQ/
DWR/Central Files,1617 Mail Service Center,Raleigh,North Carolina 27699-1617.
Additional Toxicity Testing Requirements for Municipal Permit Renewal. Please note that Municipal facilities that
are subject to the Effluent Pollutant Scan requirements listed above are also subject to additional toxicity testing
requirements specified in Federal Regulation 40 CFR 122.21(j)(5). The US EPA requires four(4)toxicity tests for a test
organism other than the test species currently required in this permit. The multiple species tests should be conducted
either quarterly for a 12-month period prior to submittal of the permit renewal application,or four tests performed at
least annually in the four and one half year period prior to the application. These tests shall be performed for acute or
chronic toxicity,whichever is specified in this permit. The multiple species toxicity test results shall be filed with the
Aquatic Toxicology Branch at the following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1623 Mail Service Center
Raleigh,North Carolina 27699-1623
Contact the Division's Aquatic Toxicology Branch at 919-743-8401 for guidance on conducting the additional toxicity
tests and reporting requirements. Results should also be summarized in Part E(Toxicity Testing Data)of EPA
Municipal Application Form 2A,when submitting the permit renewal application to the NPDES Permitting Unit.
A. (4) MERCURY MINIMIZATION PLAN(MMP) [G.S. 143-215.1(b)]
The permittee shall continue to implement the mercury minimization plan during this permit term. The MMP 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(http://portal.ncdenr.org/web/wq/swp/ps/npdes,under Model
Mercury Minimization Plan). 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.
Page 6 of 10
Permit NC0021024
A. (5)COMPLIANCE SHCEDULE TOTAL COPPPER [G.S. 143-215.1(b)]
1. By <<one year upon issuance of permit>>, the Permittee shall submit to the Division a Corrective Action Plan
summarizing the strategy or actions to be taken to achieve compliance with the Total Copper limitations listed in
Sections A. (1.). The plan shall be submitted to the following address:
NCDEQ/ DWR/ NPDES Program
1617 Mail Service Center
Raleigh,NC 27699-1617
2. By <<two years upon issuance of permit>>, the Permittee shall submit a report to the Division summarizing actions
taken in accordance with the Corrective Action Plan submitted and approved by DWR.
3. By<<three years upon issuance of permit>>,the Permittee shall submit a report to the Division summarizing actions
taken in accordance with the Corrective Action Plan submitted and approved by DWR.
4. The permittee shall achieve compliance with the total copper limits by<four years upon issuance of permit>>.
A.(6) ELECTRONIC REPORTING OF MONITORING REPORTS[G.S.143-215.1(b)]
Federal regulations require electronic submittal of all discharge monitoring reports(DMRs)and program reports.The
final NPDES Electronic Reporting Rule was adopted and became effective on December 21,2015.
NOTE: This special condition supplements or supersedes the following sections within Part 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
electronically using eDMR. The eDMR system allows permitted facilities to enter monitoring data and submit
DMRs electronically using the internet. Until such time that the state's eDMR application is compliant with
EPA's Cross-Media Electronic Reporting Regulation(CROMERR),permittees will be required to submit all
discharge monitoring data to the state electronically using eDMR and will be required to complete the eDMR
submission by printing,signing,and submitting one signed original and a copy of the computer printed eDMR to
the following address:
NC DEQ/ Division of Water Resources/ Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
Page 7 of 10
Permit NC0021024
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility being
physically located in an area where less than 10 percent of the households have broadband access,then a
temporary waiver from the NPDES electronic reporting requirements may be granted and discharge monitoring
data may be submitted on paper DMR forms(MR 1,1.1,2,3)or alternative forms approved by the Director.
Duplicate signed copies shall be submitted to the mailing address above. See"How to Request a Waiver from
Electronic Reporting" section below.
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 21,2020,the permittee must electronically report the following compliance monitoring
data and reports,when applicable:
• Sewer Overflow/Bypass Event Reports;
• Pretreatment Program Annual Reports;and
• Clean Water Act(CWA)Section 316(b)Annual Reports.
The permittee may seek an electronic reporting waiver from the Division(see"How to Request a Waiver from
Electronic Reporting" section below).
2. Electronic Submissions
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 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.
Page 8 of 10
Permit NC0021024
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)j
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 ACCE1'11.D:
"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."
5. Records Retention[Supplements Section D. (6.11
The permittee shall retain records of all Discharge Monitoring Reports,including eDMR submissions. These records
or copies shall be maintained for a period of at least 3 years from the date of the report. This period may be extended
by request of the Director at any time [40 CFR 122.41].
Page 9 of 10
Permit NC0021024
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City of Roxboro WWTP - Person County Facility Location (not to scale)
Latitude: 362 26'41" N Sub-Basin: 03-02-05
N •;- '.', *
Longitude: 782 58'47" W Stream Class: C
Receiving Stream: Marlowe Creek HUC: 03010104
Drainage Basin: Roanoke River Basin
State Grid: B23NW/Roxboro NPDES Permit NC0021024
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