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HomeMy WebLinkAboutNC0046728_Draft Permit_20240723Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C ROY COOPER Governor ELIZABETH S. BISER Secretory RICHARD E. ROGERS, JR. Director Mr. James A. Levis, Mayor Town of Mooresville P.O. Box 878 Mooresville, North Carolina 28115 Dear Mr. Levis: NORTH CAROLINA Environmental Quality July 23, 2024 Subject: Draft NPDES Permit Renewal Permit NCO046728 Rocky River WWTP Iredell County Grade IV Biological WPCS 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 system component list was updated with the addition of a low hump sludge dryer and two I - MG package plant aerators with clarifiers based on correspondence with the facility's ORC (see Supplement to Cover Sheet). • Based on the reasonable potential analysis (RPA) predicting a maximum effluent copper concentration that is greater than half of the allowable discharge concentration based on state water quality standards, limits for Total Copper have been removed and monitoring has been reduced from monthly to quarterly [See A.(1.)]. • Based on the RPA finding a reasonable potential to exceed stream water quality standards for phenols with a limited dataset (n < 8 samples) with no values greater than the allowable concentration, quarterly monitoring for Total Phenols has been added to the permit [See A.(1.)]. • Based on the facility receiving industrial wastewater through a pretreatment program, effluent Conductivity monitoring was added to the permit at a daily frequency [See A.(I .)]. • Based on DWR Instream Conductivity Monitoring Guidance, the facility discharges treated domestic and industrial wastewater, instream conductivity monitoring has been added to the permit [See A.(1.)]. • Based on DWR Instream Fecal Coliform Monitoring Guidance, since the facility discharges into waters that are potentially impaired (i.e., Data Inconclusive) for fecal coliform, instream fecal coliform monitoring has been added to the permit [See A.(1.)]. • A special condition to monitor effluent PFAS chemicals quarterly has been added to the pennit, to be effective six (6) months after EPA has a wastewater method in 40 CFR136 method published in the Federal Register [See Special Condition A.(4.) PFAS Monitoring Requirements]. • Some of the wording has changed in Special Condition A.(2.) Chronic Toxicity Permit Limit, please review each paragraph carefully. North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 1 1611 Mail Service Center I Raleigh, North Carolina 27699-1611 �a�\ r 919.707.9000 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C • Special Condition A.(3.) has been modified to include the specific three years in which the Effluent Pollutant Scan shall be performed (2026, 2027, and 2028). In addition, at the end of the Special Condition, 2°d species Toxicity Testing Requirements for municipal permit renewals per Federal Regulations [40 CFR 122.210)(5)] have been added. • A notation was made concerning the Electronic Reporting Rule — NPDES Electronic Reporting Rule — Phase 2 Extension. EPA extended the Phase 2 deadline to December 21, 2025. • 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.(5.)]. • Parameter codes have been added to the Effluent Pollutant Scan [See A.(3.)]. • The facility map was revised to replace subbasin number with HUC number. The NPDES standard conditions (Parts II, III, and IV) that are a part of the permit are not included in this draft document (cover, map, and Part I). The conditions are the same as in your current permit except that agency and division names have been updated. The latest version is available at https://bit.ly/3k5NFaL and can be viewed online or downloaded as a PDF file. Concurrent with this notification the Division is publishing a notice in a newspaper having circulation in the general Iredell 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@deq.nc.gov. Sincerely, E �;.C,WDF.4., fpnad by: ... Gary Perlmutter, Environmental Specialist II NPDES Municipal Permitting Unit Hardcopy: NPDES Files eCopy: USEPA / Region 4 DWR / Mooresville Regional Office / Water Quality: Andrew Pitner & Wes Bell DWR / Operator Certification Program: Jeff Talbot DWR / Ecosystems Branch: Tammy Hill DWR / Aquatic Toxicology Branch: Cindy Moore & Molly Nicholson DWR / Municipal Permitting Unit: Keyes McGee Town of Mooresville: Jeff Campbell North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 1 1611 Mail Service Center I Raleigh. North Carolina 27699-1611 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC962C Permit NCO046728 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES PERMIT TO DISCHARGE WASTEWATER UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) 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 Town of Mooresville is hereby authorized to discharge wastewater from a facility located at the Rocky River Wastewater Treatment Plant 369 Johnson Dairy Road Mooresville, NC Iredell County to receiving waters designated as the Dye Creek in the Yadkin -Pee Dee 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 Month 01, 2024. This permit and authorization to discharge shall expire at midnight on March 31, 2029. Signed this day Month xx, 2024. DRAFT Michael J. Montebello, NPDES Permitting Branch Chief Division of Water Resources Page 1 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NCO046728 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 effective date, 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. Town of Mooresville is hereby authorized to: 1. Continue to operate and maintain the wastewater treatment works identified on the Cover, an existing 7.5 MGD facility consisting of the following components: • Influent screw pump station • Two equalization tanks • Dual mechanical screens • Two dual aeration basins (mechanical fixed aerators) • Two dual final clarifiers • Mixing tower • Micro screen rotary disc filtration • Dual UV channels using TrojanUV3000plus*rm system • A series of cascades • RAS/WAS pumps • Two aerobic digesters (diffused air) • A filter belt press • Covered sludge storage area • Four standby generators • Low temp Huber B-2 sludge dryer • Two 1,000,000-gallon package plant aerators with clarifiers (diffused air) 2. Discharge from said treatment works at the location specified on the attached map via Outfall 001 into Dye Creek, classified C waters in the Yadkin -Pee Dee River Basin and 03040105 HUC. Page 2 of 11 Docusign Envelope ID. 07D51AC7-F5DA-42C1-671D-866A7CFC9132C Permit NCO046728 PART I A.(I.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS 17.5 MGD] [ 15A NCAC 02B .0400 et seq., 15A NCACO2B .0500 et seq.] Grade IV Biological Water Pollution Control System [15A NCAC 08G .0302] (a.) During the period beginning on the effective date of the permit and lasting until permit expiration, the Penmittee is authorized to discharge treated municipal and industrial wastewater from Outfall 001. Such discharges shall be limited and monitored' by the permittee as specified below: PARAMETER Parameter Code EFFLUENT LIMITS MONITORING REQUIREMENTS Monthly Average Weekly Average Daily Maximum Measuremen t Frequency Sample Type Sample Location2 Flow 50050 7.5 MGD Continuous Recording I or E BOD, 5-day, 200C 3 C0310 (Apr 1— Oct 31) 5.0 mg/L 7.5 mg/L Daily Composite I and E BOD, 5-day, 200C 3 C0310 (Nov 1— Mar 31) 10.0 mg/L 15.0 mg/L Daily Composite I and E Total Suspended Solids (TSS) 3 C0530 30.0 mg/L 45.0 mg/L Daily Composite I and E NH3 as N C0610 (Apr 1— Oct 31) 1.0 mg/L 3.0 mg/L Daily Composite E NH3 as N C0610 (Nov 1— Mar 31) 2.0 mg/L 6.0 mg/L Daily Composite E Fecal Coliform 31616 (geometric mean) 200/100 mL 400/100 mL Daily Grab E Dissolved Oxygen 00300 Daily Average > 6.0 mg/L Daily Grab E pH 00400 Between 6.0 and 9.0 Standard Units Daily Grab E Temperature (°C) 00010 Monitor and Report Daily Grab E Total Residual Chlorine (TRC)' 50060 1 1 17 µg/L Daily Grab E Conductivity (µmhos/cm) 00094 Monitor and Report Daily Grab E TKN (mg/L) 00625 Monitor and Report Monthly Composite E NO3-N + NO2-N (mg/L) 00630 Monitor and Report Monthly Composite E Total Nitrogen 5 (mg/L) C0600 Monitor and Report Monthly Calculated E Total Phosphorus (mg/L) C0665 Monitor and Report Monthly Composite E Total Copper (µg/L) 01042 Monitor and Report Quarterly Composite E Total Phenolic Compounds (µg/L) 32730 Monitor and Report Quarterly Composite E PFAS 6 various Monitor and Report Quarterly 6 Grab E Chronic Toxicity TGP3B Monitor and Report Quarterly Composite E Effluent Pollutant Scan 8 NCO] Monitor and Report Footnote 8 Footnote 8 E Total Hardness (as CaCO3)' (mg/L) 00900 Monitor and Report Quarterly Composite E Total Hardness (as CaCO3)10 (mg/L) 00900 Monitor and Report Quarterly Grab U Dissolved Oxygen (mg/L) 00300 Monitor and Report Variable2 Grab U and D Temperature (°C) 00010 Monitor and Report Variable2 Grab U and D Conductivity (µmhos/cm) 00094 Monitor and Report Variable2 Grab U and D Fecal Coliform (#/]00mL) 31616 (geometric mean) Monitor and Report Variable2 Grab U and D Footnotes on the next page. Page 3 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NCO046728 Footnotes from A. 0.) Effluent Limitations and Monitoring Requirements: 1. The Permittee shall submit Discharge Monitoring Reports electronically using NC DWR's eDMR application system. See Special Condition A.(5.). 2. Sample locations: I = Influent; E = Effluent; U = Upstream in Dye Creek approximately %z mile upstream of the outfall; D = Downstream in Rocky River at NCSR 2420 and NCSR 1394. Upstream and downstream samples shall be grab samples collected 3/week during June, July, August, and September and 1/week during the remainder of the year. Instream sampling requirements are provisionally waived in light of the permittee's participation in the Yadkin -Pee Dee River Basin Association. Should participation in the association cease, all instream sampling requirements are immediately reinstated. 3. The monthly average effluent BOD5 and TSS concentrations shall not exceed 15% of the respective influent value (85% removal). 4. The facility shall monitor TRC when using chlorination for disinfection. The Division shall consider all effluent total residual chlorine 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. 5. For a given wastewater sample, TN = TKN +NO3-N +NO2-N, where TN is Total Nitrogen, TKN is Total Kjeldahl Nitrogen, and NO3-N and NO2-N are Nitrate and Nitrite Nitrogen, respectively. 6. See Special Condition A.(4.). 7. Chronic Toxicity (Ceriodaphnia dubia) Pass/Fail at 90% with testing in February, May, August and November. See Special Condition A.(2.). 8. The Permittee shall perform three effluent pollution scans during the term of this permit. See Special Condition A.(3.). 9. Effluent hardness sampling should be performed in conjunction with testing for hardness dependent metals (e.g., copper). 10. The penmittee shall sample instream hardness upstream of the facility's discharge. The sample shall be representative of the hardness in the stream. There shall be no discharge of floating solids or visible foam in other than trace amounts. A.(2.) CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY) [I 5A NCAC 02B .0200, .0500 et seq.] The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality to Ceriodaphnia dubia at an effluent concentration of 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 February, May, August, and November. 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. Page 4 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NC0046728 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 electronically using the Division's eDMR system for the months in which tests were performed, using the parameter code TGP311 for the pass/fail results and THP313 for the Chronic Value. Additionally, DWR Form AT-3 (original) is to be sent to the following address: North Carolina Division of Water Resources Water Sciences Section/Aquatic Toxicology Branch 1621 Mail Service Center Raleigh, NC 27699-1621 Or, results can be sent to the email, ATForms.ATB@deq.nc.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, monitoring will be required during the following month. Assessment of toxicity compliance is based on the toxicity testing quarter, which is the three-month time interval that begins on the first day of the month in which toxicity testing is required by this permit and continues until the final day of the third month. Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Water Resources indicate potential impacts to the receiving stream, this permit may be re -opened and modified to include alternate monitoring requirements or limits. NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an invalid test and will require immediate follow-up testing to be completed no later than the last day of the month following the month of the initial monitoring. Page 5 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NCO046728 A.(3.) ADDITIONAL MONITORING REQUIREMENTS FOR PERMIT RENEWAL [NCGS 143-215.1(b)] (a.) Effluent Pollutant Scans. The Permittee shall perform a total of three (3) Effluent Pollutant Scans for all parameters listed below. One scan must be performed in each of the following years: 2026, 2027, and 2028. 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.Q.) CHRONIC TOXICITY PERMIT LIMIT], 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 34413 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 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 C0700 Total phenolic compounds 32730 4-nitrophenol 34646 Hexachlorobutadiene C0702 Voladle organic contooun& 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-neutralcornoounds: Isophorone 34408 Bromoform 32104 Acenaphthene 34205 Naphthalene 34696 Carbon tetrachloride 32102 Acenaphthylene 34200 Nitrobenzene 34447 Chlorobenzene 34301 Anthracene CO220 N-nitrosodi-n-propylamine 34428 Chlorodibromomethane 34306 Benzidine 39120 N-nitrosodimethylamine 34438 Chloroethane 85811 Benzo(a)anthracene C0526 N-nitrosodiphenylamine 34433 2-chloroethyl vinyl ether 34576 Benzo(a)pyrene 34247 Phenanthrene 34461 Chloroform 32106 3,4 benzofluoranthene 34230 Pyrene 34469 Dichlorobromomethane 32101 Benzo(ghi)perylene 34521 1,2,4-trichlorobenzene C0551 1, 1 -dichloroethane 34496 Benzo(k)fluoranthene 34242 1,2-dichloroethane 32103 Bis (2-chloroethoxy) methane 34278 Page 6 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NC0046728 (b.) Effluent Scan Revorting. Test results shall be reported electronically via eDMR by December 31' of each designated sampling year, except that, subject to prior written approval by the Director, results can be reported on DWR Form DMR-PPA-1 or other form approved by the Director. The Permittee must at least report completion of the test in the eDMR system by entering "1" or "Y" for parameter code NCO1 - 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/FormsNPDES—WW-EDMR- Supplemental-Form (c.) 21d Species Toxicity Testing and Reporting. (i.) In addition to the quarterly toxicity tests required in Condition A.(2.) CHRONIC TOXICITY PERMIT LIMIT, the Permittee shall perform and report the results of four (4) toxicity tests using the same test methods using a second species of test organism suitable to the tests being conducted. (ii.) The 2nd species toxicity tests shall be conducted either: (A) Once per quarter in a single 12-month period (four samples); if this option is chosen, the sample for each 2nd species test shall coincide with the quarterly samples collected for A.(2.) CHRONIC TOXICITY PERMIT LIMIT; or (B) Once per 12-month period in the four -and one-half year period prior to the scheduled application for permit renewal (four samples); if this option is chosen, three of the samples for the 2"d species test shall coincide with those for the annual effluent scans and the coincident quarterly toxicity test, and each of the four annual samples shall be collected in a different calendar quarter in order to represent seasonal variation. (iii.) The results of the toxicity tests shall be submitted to the following address: North Carolina Division of Water Resources Water Sciences Section/Aquatic Toxicology Branch 1621 Mail Service Center Raleigh, North Carolina 27699-1621 Or, results can be sent to the email, ATForms.ATB@deq.nc.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. Page 7 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NCO046728 A.(4.) PFAS MONITORING REQUIREMENT [NCGS 143-215.1 (b.)] This reporting requirement for the per- and polyfluoroalkyl substances (PFAS) parameters listed under Table 1 of EPA Method 1633 takes effect the first full calendar quarter following six (6) months after EPA publishes the method under 40 CFR Part 136 in the Federal Register. Monitoring will be at a quarterly frequency. Find the current parameters listed under Table 1 of the Method 1633 Analysis of Per- and PoMuoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS (EPA, January 2024) at: https://www.epa.gov/system/files/documents/2024-01 /method-163 3 -final-for-web-posting.pdf. A.(5.) 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 11 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. Renortin Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)1 The Permittee shall report discharge monitoring data electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR) internet application. Monitoring results obtained during the previous month(s) shall be summarized for each month and submitted monthly electronically using eDMR. The eDMR system allows permitted facilities to enter monitoring data and submit DMRs electronically using the internet. The eDMR system may be accessed at: https:Hdeq.nc.gov/about/divisions/water-resources/edmr. If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility being physically located in an area where less than 10 percent of the households have broadband access, then a temporary waiver from the NPDES electronic reporting requirements may be granted and discharge monitoring data may be submitted on paper DMR forms (MR 1, 1. 1, 2, 3) or alternative forms approved by the Director. Duplicate signed copies shall be submitted to the following address: NC DEQ / Division of Water Resources / Water Quality Permitting Section ATTENTION: Central Files 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Page 8 of l l Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NC0046728 See "How to Request a Waiver from Electronic Reporting" section below. Monitoring results obtained during the previous month(s) shall be summarized for each month and reported via the eDMR system no later than the last calendar day of the month following the completed reporting period. Regardless 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; and • 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.federaire ig ster.pov/documents/2015/10/22/2015-24954/national- pollutant-discharge-elimination-system-npdes-electronic-reporting Electronic submissions must start by the dates listed in the "Reporting Requirements" section above. 3. How to Request a Waiver from Electronic Reyortin¢ 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 9 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Permit NCO046728 Information on eDMR and the application for a temporary electronic reporting waiver are found on the following web page: h=:Hdeq.nc.gov/about/divisions/water-resources/edmr. 4. Signatory Requirements ISurmlements 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 L)(a) or by a duly authorized representative of that person as described in Part II, Section B. (I 1.xb). 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: hqp://deg.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 122.221. NO OTHER STATEMENTS OF CERTIFICATION WILL BE ACCEPTED: V certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. 1 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 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 10 of 11 Docusign Envelope ID: 07D51AC7-F5DA-42C1-B71D-866A7CFC9B2C Pen -nit NCO046728 .50 $e •g "N'.at� o ti i \Plant ^'' I ' t • 1's t 19 N y - /�A • ice_` � Discharge location 9q , lid cp • ,; --.-. Rocky River WWTF - N00046728 Facility Location USGS Quad Name: Mooresville Lat.: 35°31'33" Receiving Stream: Dye Creek (Branch) Long.: 80.46'56" Stream Class: C Not to SCALF River Basin: Yadkin -Pee Dee HUC 030101Og North Page 11 of 11