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HomeMy WebLinkAboutNC0020117_Draft Permit_20190529ROY COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Director Mr. Neil Carroll Wastewater Manager and ORC City of Clinton P.O. Box 199 Clinton, North Carolina 28328 Dear Mr. Carroll: NORTH CAROLINA Environmental Quality May 29, 2019 Subject: Draft NPDES Permit Renewal Permit NCO020117 Norman H. Larkins WPCF Grade IV Biological WPCS Sampson County SIC Code 4952 Enclosed with this letter is a copy of the Draft NPDES permit renewal for your facility. Please review this draft carefully to ensure thorough understanding of the requirements and conditions it contains. There are several changes from the existing permit, including the following: • The topographic map was updated to show instream monitoring locations. • Regulatory citations have been added to the permit. • Parameter codes were added to the Effluent Limitations and Monitoring Requirements sheet [See Section A. (1.)]. • Based on NPDES guidance regarding the reduction of monitoring frequencies in NPDES permits for exceptionally performing facilities, monitoring requirements for TSS have been reduced to twice per week [See Section A. (1)]. • A footnote has been added to specify that 2/week sampling shall not occur on two consecutive days [See Section A. (L), Footnote 4]. • Based on the reasonable potential analysis (RPA) showing reasonable potential to violate state water quality standards, Chlorides limits of 230 µg/L monthly average/daily maximum have been added to the permit with a monthly monitoring requirement [See Section A. (1.)]. • To provide an opportunity for the City to develop a plan to assess sources of Chlorides in order to come in compliance with the limits in Section A. (L), a 4-year schedule of compliance has been added to the permit [See Special Condition A. (4.) Schedule of Compliance for Chlorides Limitations]. North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 11617Mail Service Center I Raleigh, North Carolina 27699-1617 919.707.3601 • Based on the RPA showing reasonable potential to violate state water quality standards, Fluoride limits of 1800 µg/L monthly average/daily maximum have been added to the permit with a monthly monitoring requirement [See Section A. (1.)]. • Based on the RPA predicting a maximum effluent Aluminum concentration that is greater than half of the allowable discharge concentration based on state water protective values, quarterly monitoring for Aluminum has been added to the permit [See Section A. (1.)]. • Based on the RPA showing no reasonable potential to violate state water quality standards, the monitoring requirement for Total Cyanide has been removed from the permit [See Section A. (1.)]. • The NC 2007-2014 Water Quality Standard Triennial Review was approved by the NC Environmental Management Committee (EMC) on November 13, 2014. The US EPA subsequently approved the WQS revisions on April 6, 2016 with some exceptions. The NC Division of Water Resources NPDES Permitting Unit is required to implement the new dissolved metal standards in all permits public noticed after April 6, 2016. The new standards for most metals include acute standards. Further, the freshwater standards for several metals are expressed as the dissolved form of the metals, and seven metals have hardness -dependent equations. As a result, 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. Effluent hardness and instream hardness sampling, upstream of the discharge, have been added to this permit at a quarterly monitoring frequency [See Section A. (1.)]. • Based on the RPA showing no reasonable potential to violate state water quality standards, the monitoring requirement for Total Lead has been removed from the permit [See Section A. (1.)]. • The City of Clinton reported Total Silver at less than detection, with detection levels < 2.0 µg/L, < 5.0 µg/L, and < 10.0 µg/L in the DMR results and Effluent Pollutant Scans. The City's allowable discharge concentration is 0.06 µg/L for Total Silver. DWR's laboratory identifies the target Practical Quantification Limit (PQL) 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 of lower reporting level of the procedure. The Division recommends that all samples collected be analyzed to the 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. The City should use sufficiently sensitive test methods for all pollutants, including when performing Effluent Pollutant Scans. Quarterly monitoring for Total Silver has been added to the permit. • Based on the RPA predicting a maximum effluent zinc concentration that is less than half of the allowable discharge concentrations based on state water quality standards, quarterly monitoring for Total Zinc has been removed from the permit. • Based on Mercury TMDL evaluation showing annual average effluent concentrations below the Water Quality Based Effluent Limitation (WQBEL) of 12.0 ng/L and no individual values exceeded the Technology Based Efflluent Limitations (TBEL) of 47 ng/L, Total Mercury limits have been removed from the permit. Page 2 of 3 • Based on Mercury TMDL evaluation showing mercury values reported at levels > 1 ng/L and since the permitted flow is greater than 2 MGD, Special Condition A. (5.) Mercury Minimization Plan has been added to the permit. • Some of the wording has changed in Section A. (2.) — Chronic Toxicity Permit Limit; please review each paragraph carefully. • Special Condition A. (3.) has been modified to include the specific three years in which the Effluent Pollutant Scans shall be performed (2021, 2022, and 2023). In addition, at the end of the Section, 2nd species Toxicity Testing Requirements for municipal permit renewals per Federal Regulations [40 CFR 122.210)(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) internet application has been added to your NPDES permit [See Special Condition A. (7•)]• The NPDES standard conditions (Parts II, III, and IV) that are a part of the permit are not included in this draft document (cover, map, and Part 1). The conditions are the same as in your current permit except that agency and division names have been updated. The latest version is available at https://bit.ly/2BZ4xxx 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 Sampson County area, soliciting public comments on this draft permit. Please provide any written comments you may have to the following: NCDEQ/DWR, NPDES Permitting Branch, 1617 Mail Service Center, Raleigh, NC 27699-1617 no later than 30 days after receipt of this draft permit. Following the 30-day public comment period, the Division will review all pertinent comments and take appropriate action prior to issuing a final permit. If you have questions concerning this draft permit, please call me at (919) 707-3611 or by email at gary.perlmutter@ncdenr.gov. Sincerely, Gary Perlmutter, Environmental Specialist II NPDES Complex Permitting Unit Hardcopy: NPDES Files eCopy: US EPA Region 4 DWR / Operator Certification Unit / Maureen Kinney DWR / Aquatic Toxicology Branch / Susan Meadows DWR / Ecosystems Branch / Mark Vander Bourgh DWR / Fayetteville Regional Office / Water Quality Operations Page 3 of 3 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 provision 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 Clinton is hereby authorized to discharge wastewater from a facility located at the Norman H. Larkins Water Pollution Control Facility 123 Mill Branch Road Clinton, NC 28328 Sampson County to receiving waters designated as Williams Old Mill Branch in the Cape Fear River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II and III hereof. This permit shall become effective Month xx, 2019. This permit and authorization to discharge shall expire at midnight on January 31, 2024. Signed this day Month xx, 2019. DRAFT Linda Culpepper, Director Division of Water Resources By Authority of the Environmental Management Commission Permit NC0020117 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 included herein. The City of Clinton is hereby authorized to: 1. Continue to operate a 5.0 MGD wastewater treatment system with a discharge through Outfall 001, consisting of the following treatment units: • Two (2) mechanically cleaned 0.5" & 1" bar screens • 44,000-gallon aerated grit removal tank • Influent Parshall flume with flow recorder and automatic sampler • Dual 287,718-gallon primary clarifiers • 85,900 ft3 high -rate trickling filter • 259,047-gallon secondary clarifier • Six (6) 1.2-million gallon extended aeration activated sludge basins • Two (2) 713,424-gallon final clarifiers • 3,000 W bulk lime feed system • Five (5) 264 f 2 anthracite/sand/gravel tertiary filters • Two (2) 52,000-gallon chlorine contact chambers • Sulfur dioxide dechlorination • 62,500-gallon post aeration tank • 308,426-gallon aerobic digester • 308,426-gallon aerobic biosolids holding and thickening tank • Four (4) 142,000-gallon aerobic biosolids digesters • Thirty (30) 3,000 ft3 sand drying beds. This facility is located at the Norman H. Larkins Water Pollution Control Facility, 123 Mill Branch Road, Clinton, in Sampson County. 2. Discharge from said treatment works via Outfal1001, at the location specified on the attached map into Williams Old Mill Branch, a class C;Sw stream in the Cape Fear River Basin. Page 2of13 Permit NCO020117 PART I A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (5.0 MGD) [15A NCAC 0213. 0400 et seq., 15A NCAC 02B .0500 et seq.] Grade IV Biological Water Pollution Control System [I 5A NCAC 08G .0302] a. During the period beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to discharge treated wastewater from Outfall 001. Such discharges shall be limited and monitored' by the Permittee as specified below: PARAMETER CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Code Monthly Weekly Daily Measurement Sample Sample Average Average Maximum Frequency Type Location z Flow 50050 5.0 MGD Continuous Recording Influent or Effluent BOD, 5-Day, 20°C 3 5.0 mg/L 7.5 mg/L Daily Composite Influent and April 1 — October 31 C0310 Effluent BOD, 5-Day, 20`C 3 10.0 mg/L 15.0 mg/L Daily Composite Influent and November 1 — March 31 Effluent Total Suspended Solids C0530 30.0 m /L g 45.0 m /L g 2/week' Composite P Influent and (TSS) 3 Effluent NH3 as N 1.0 mg/L 3.0 mg/L Daily Composite Effluent April 1 — October 31 C0610 NH3 as N 2.0 mg/L 6.0 mg/L Daily Composite Effluent November 1 — March 31 Dissolved Oxygen (DO) 00300 Daily Average >_ 6.0 mg/L Daily Grab Effluent Fecal Coliform 31616 200/100 mL 400/100 mL Daily Grab Effluent (geometric mean) Temperature (°C) 00010 Monitor and Report Daily Grab Effluent Total Phosphorus (mg/L) C0665 Monitor and Report Monthly Composite Effluent Total Nitrogen C0600 Monitor and Report Monthly Composite Effluent (NO2+NO3+TKN) (mg/L) Chronic Toxicity 5 TGP38 Quarterly Composite Effluent Conductivity (pmhos/cm) 00094 Monitor and Report Daily Grab Effluent Total Residual Chlorine 50060 17 pg/L Daily Grab Effluent (TRC) 6 Total Hardness (as CaCO3) 00900 Monitor and Report P Quarterly Y Composite p Effluent (mg/L) I Total Copper 01042 Monitor and Report Quarterly Composite Effluent Total Silver 01077 Monitor and Report Quarterly Composite Effluent Chlorides 9 00940 230 pg/L 230 pg/L Monthly Composite Effluent Total Fluoride 00951 1800 pg/L 1800 Ng/L Monthly Composite Effluent pH 00400 Between 6.0 and 9.0 standard units Daily Grab Effluent Effluent Pollutant Scan NC01 Monitor and Report Footnote 10 Footnote 10 Effluent Total Hardness (as CaCO3) 00900 Quarterl Y Composite P U stream P (mg/L)'1 Page 3 of 13 Permit NC0020117 PARAMETER CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Code Monthly Weekly Daily Measurement Sample Sample Average Average Maximum Frequency Type Location 2 Dissolved Oxygen (DO) 00300 Variable 2 Grab Upstream and Downstream Temperature 00010 Variable 2 Grab Upstream and Downstream Conductivity (Nmhos/cm) 00094 Variable 2 Grab Upstream and Downstream Footnotes: 1. The Permittee shall submit discharge monitoring reports electronically using NC DWR's eDMS application system; see Section A. (7.). 2. Upstream = Great Coharie Creek at Five Bridge Road; Downstream = Great Coharie Creek at NC Highway 24. Samples shall be collected 3/week from June 1 through September 30, and collected weekly from October 1 through May 31. Instream monitoring for DO, Temperature and Conductivity is provisionally waived in light of the Permittee's participation in the Lower Cape Fear River Program (LCFRP). Instream monitoring shall be immediately reinstated and the Division shall be notified immediately should the Permittee end its participation in the LCFRP. 3. The monthly average effluent BOD5 and total suspended solids concentrations shall not exceed 15% of their respective influent values (85% removal). 4. Sampling 2/week must occur on any two non-consecutive days during the calendar week. 5. Whole Effluent Toxicity will be monitored using the Pass/Fail Ceriodaphnia dubia at 90% effluent. Samples shall be taken in March, June, September, December; see Section A. (2.). 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. Effluent Hardness sampling should be performed in conjunction with testing for hardness -dependent metals (copper, silver). 8. Total Silver shall be monitored using "clean" sampling techniques and reported to the lower reporting level of the procedure. 9. The Permittee shall follow the compliance schedule detailed in Section A. (4.). The Permittee shall achieve compliance with these limits within four years of the effective permit date. 10. The Permittee shall perform three Effluent Pollutant Scans during the term of this permit; see Section A. (3.). 11. The Permittee shall sample instream Total Hardness, upstream of the facility's discharge. The sample shall be representative of the hardness of the receiving stream. If the Permittee is a member of a Monitoring Coalition Program, sampling for instream hardness may be waived as long as the Monitoring Coalition agrees to sample hardness at the nearest upstream location, at a minimum frequency of quarterly, and the Permittee has obtained approval from DWR — NPDES Permitting Unit that the upstream location being monitored by the Coalition is representative of the receiving stream for this discharge. The Permittee is responsible for submitting instream hardness test results with its permit renewal application package. If Coalition membership is cancelled or the Coalition terminates instream hardness sampling at the approved station, the Permittee shall immediately notify the Division and resume sampling for instream hardness, upstream of its discharge. b. There shall be no discharge of floating solids or visible foam in other than trace amounts. Page 4 of 13 Permit NCO020117 A. (2.) 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% at 5.0 MGD. 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 THP311 for the Chronic Value. Additionally, DWQ Form AT- 3 (original) is to be sent to the following address: Attention: North Carolina Division of Water Resources Water Sciences Section / Aquatic Toxicity Branch 1621 Mail Service Center Raleigh, North Carolina 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. 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 5of13 Permit NC0020117 Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Water Resources indicate potential impacts to the receiving stream, this permit may be re -opened and modified to include alternate monitoring requirements or limits. NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an invalid test and will require immediate follow-up testing to be completed no later than the last day of the month following the month of the initial monitoring. Page 6 of 13 Permit NCO020117 A. (3.) EFFLUENT POLLUTANT SCAN (Municipal POTWs) [NCGS 143-215.1 (b)] 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: 2021, 2022, and 2023. 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 each 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-ethylhexyl) phthalate Nitrate/Nitrite 1,3-dichloropropylene 4-bromophenyl phenyl ether Total Kjeldahl nitrogen Ethylbenzene Butyl benzyl phthalate Oil and grease Methyl bromide 2-chloronaphthalene Total 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 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 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 electronically reported via eDMR or on DMR Form - DMR-PPA-1 (or in a form approved by the Director) by December 3 1 ' of each designated sampling year. The report Page 7of13 Permit NCO020117 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 not that municipal facilities that are subject to the Effluent Pollutant Scan requirements listed above are also subject to additional toxicity requirements specified in Federal Register 40 CFR 122.210)(5) and EPA Municipal Application Form 2A. The US EPA requires four (4) toxicity tests for a test organism other than the test species currently required in this permit. The second 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. The second species tests must be multiple concentration (5 concentrations plus the control). These tests shall be performed for acute or chronic toxicity, whichever is specified in the permit. POTWs performing NPDES chronic Ceriodaphnia testing should perform chronic Fathead Minnow testing. POTWs performing NPDES acute Fathead Minnow testing should perform acute Ceriodaphnia testing. POTWs performing NPDES chronic Mysid shrimp testing should perform chronic chronic Silverside Minnow testing. The second 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 Toxicity Branch 1621 Mail Service Center Raleigh, North Carolina 27699-1621 Contact the Division's Aquatic Toxicity 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. Page 8of13 Permit NCO020117 A. (4.) SCHEDULE OF COMPLIANCE FOR CHLORIDES LIMITATIONS [NCGS 143-215.1 (b)] 1. Within one (1) year from the effective day of the permit, the Permittee shall submit to the Division of Water Resources an Action Plan for Division approval, summarizing the strategy or actions to be taken to achieve compliance with the Chlorides limitations listed in Sections A. (1.). This plan will include specific dates for completion or implementation of each action. 2. Within two (2) years from the effective date of the permit, the Permittee shall submit a report to the Division summarizing actions taken in accordance with the Action Plan. 3. Within three (3) years from the effective date of the permit, the Permittee shall submit a report to the Division summarizing actions taken in accordance with the Action Plan. 4. The Permittee shall achieve compliance with Chlorides limitations specified in Sections A. (1.) within four (4) years of the effective date of this permit. Upon approval of the Action Plan 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. Action Plan and 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 (2) NCDEQ / Division of Water Resources NPDES Permitting Fayetteville Regional Office 1617 Mail Service Center 225 Green Street, Suite 714 Raleigh, NC 27699-1617 Fayetteville, NC 28301-5095 Page 9 of 13 Permit NCO020117 A. (5.) MERCURY MINIMIZATION PLAN (MMP) [NCGS 143-215.1 (b)] The Permittee shall maintain and continue to implement the Mercury Minimization Plan (MMP) developed and implemented on January 9, 2017. The MMP shall continue to be available for inspection on -site. 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 MMP 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. (6.) 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 DWR 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. Page 10 of 13 Permit NCO020117 A. (7.) ELECTRONIC REPORTING OF 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 Section 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 / DWR / Water Quality Permitting Section Attn: Central Files 1617 Mail Service Center Raleigh, NC 27699-1617 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; Page 11 of 13 Permit NCO020117 • 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: httys://www.federalre 'ster.gov/documents/2Ol5/l0/22/2015-24954/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 Page 12 of 13 Permit NC0020117 4. Sisnatory 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 I1, Section B. (I I .)(a) or by a duly authorized representative of that person as described in Part II, Section B. (I1.)(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: btlp:HdN.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. " 5. Records Retention [Supplements Section D. (6.)] 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]. Page 13of13 City of Clinton - NCO020117 Receiving Stream: Williams Old Mill Branch Lat.: 35°00' 15" Stream Class: C; Sw Long.: 78°20'45" Subbasin: Cape Fear — 03-06-19 8-digit HUC: 03030006 USGS Quad: North Clinton Facility Location NorthNot to scale