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Home My WebLink AboutNC0075078_Draft Permit_20181031 L• .� ROY COOPER as v Governor ''t.t.te kT i,tri AV 4 ,I. ` �� MICHAEL S. REGAN 'i Ai, 1`' . .-TI-i; secrem,y �.J t fx441% r 1,44 r' LINDA CULPEPPER s Interim Director NORTH CAROLINA Environmental Quality October 31, 2018 Mr_John C.Yates Cetinty Manager 110 North St Wilkesboro, NC 28659 Subject: Draft NPDES Permit NC0075078 Wilkes County Airport WWTP Grade II Biological WPCS Wilkes County Dear Mr:Yates: The Division has reviewed your request to renew the subject permit. Please review this draft carefully to ensure a thorough understanding of the information, conditions, and requirements it contains. The draft permit includes the following significant changes from the'existing permit: ➢ Section A. (3)has been updated. D The permit map has been updated. D. Regulatory citations have been added to the permit. With this notification, the Division will solicit public comment on this draft permit by publishing a notice in newspapers having circulation in the general Wilkes County area,per EPA requirements. Please provide your comments,if any,to me 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 the draft,please contact me at the telephone number listed at the bottom of this page,or via e-mail[charles.weaver@ncdenr.gov]. Sincerely, i / i g Vatai .l Charles H.Weaver,Jr. NPDES program cc: NPDES file D Q North Carolina Department of Environmental Quality I Division of Water Resources 1617 Mail Service Center i Raleigh,North Carolina 27699-1617 919-707-3616 L/ • Permit NC0075078 Grade II Biological Water Pollution Control System[15A NCAC 08G.0302) 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 lay the North Carolina Environmental Management Commission,and the Federal Water Pollution Control Act,as amended,the County of Wilkes is hereby authorized to discharge wastewater from a facility located at the Wilkes County Airport WWTP 640 Wood Wallace Drive North Wilkesboro Wilkes County to receiving waters designated as an unnamed tributary to Rock Creek in subbasin 03-07-01 of the Yadkin- Pee Dee River Basin in accordance with effluent limitations,monitoring requirements,and other conditions set forth in Parts I,II,III and IV hereof. • This permit shall become effective This permit and authorization to discharge shall expire at midnight on September 30, 2023. Signed this day • Linda Culpepper,Interim Director Division of Water Resources By Authority of the Environmental Management Commission Page 1 of 6 Permit NC0075078 Grade II Biological Water Pollution Control System[15A NCAC 08G.0302] SUPPLEMENT TO PERMIT COVER SHEET All previous NPDES Permits issued to this facility,whether for operation or discharge are hereby revoked.As of this permit issuance,any previously issued peril-lit bearing this number is rio 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 County of Wilkes is hereby authorized to: 1. Continue to operate an existing 0.0075 MGD activated-sludge wastewater treatment system with the following components: • 2,500-gallon surge tank with pump- • 5,000-gallon aeration basin [extended aeration] • Mechanically-cleaned clarifier • Tablet chioithe disinfection • Tablet dechlorination • 2,500-gallon aerated sludge digester • Flow meter box The system is located at the Wilkes County Airport WWTP,north of North Wilkesboro off Wood Wallace Drive in Wilkes County. • 2. Discharge from said treatment works at the locations specified on the attached map into an unnamed tributary to Rock Creek, currently a class C stream in subbasin 03-07-01 of the Yadkin-Pee Dee River Basin. Page 2 of 6 • Permit NC0075078 Grade II Biological Water Pollution Control System[15A NCAC 08G.0302] Part I - A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B .0400.et seq.,02B .0500 et seq.] During the period beginning on the permit effective date and lasting until expiration;=the Permittee is authorized to discharge from outfall 001. Such discharges shall be limited and monitored'by the Permittee as specified below: PARAMETER LIMITS MONITORING REQUIREMENTS [eDMR Code] Monthly Daily Measurement Sample Type Sample Location Average Maximum frequency Flow 0.0075 MGD Weekly Instantaneous Influent or Effluent [50050] BOD,5-day(20°C) 30.0,mg/L 45.0 mg/L Weekly. Grab Effluent [C0310] Total Suspended Solids 1C0530] 30.0 mg/L 45.0'mg/L Weekly 'Grab Effluent NH3 as N [G0610) 6.0 mg/L 30.0 mg/L Weekly • ' Grab Effluent (April 1 -October 31) NH3 as N [C0610] 222 mg/L 35.0 mg/L Weekly ' Grab Effluent (November 1—March 31) Fecal Coliform [31616] 200/100 ml 409/190.0 Weekly Grab Effluent (geometric mean) Total Residual Chlorine(TRC)2 2g pg/L 2NVeek Grab Effluent [50060] Temperature [00010] Daily Grab Effluent Total Nitrogen [C0600] Quarterly \ Grab t, Effluent (NO2+NO3+TKN) Total Phosphorus Quarterly Grab Effluent [C0665] pH >,,6.0 arld<9.0 standard units • Weekly = G,.feb • Effluent [00400] Footnotes: 1. The permittee shall submit monitoring data electronically using the DivisiSon's eDl Lt system[see A. (3)1. 2. The Permittee shall report all effluent TRC values repotted by a NC-certified laboratory[including field-certified}. Effluent values,< 50µg/L will be treated as zero for compliance purposes. There shall be no discharge of floating solids or visible foam in other than trace amounts. A. (2) NUTRIENT REOPENER FOR HIGH ROCK LAKE, [NCGS 143-215.1 (b)] • This permit may be reopened and modified to implement nutrient requirements in accordance with any future •• tlL and / or nutrient management strategy for High Rock Lake. - Page 3 of 6 Permit NC0075078- Grade II Biological Water Pollution Control System[15A NCAC 08G.0302] A. (3) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS [NCGS 143-215.1(b)] Federal regulations require electronic submittal Of all"discharge monitoring reports (DMRs) and program reports. The final NPDES Electronic Reporting Rule was adopted and became effective on December 21,2015. NOTE: This special condition supplements or supersedes the following sections within Part II of this permit (Standard Conditions forNPDES Permits): • Section B. (11.) Signatory Requirements • Section D. (2.) Reporting • Section D. (6.) Records Retention- , • Section E. (5.) Monitoring Reports 1: Reporting{Supersedes Section D: (2:) and Section E. (5.)(a)] The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic Discharge Monitoring Report(eDMR)intemet application. Monitoring results obtainedduring the previous month(s) shall be summarized for each month and submitted electronically"using eDMR. The eDMR sysfein allows permitted facilities to enter monitoring data and submit DMRS electronically using the internes. Until such time that the state's eDMR application is compliant with EPA's Cross- Media Electronic Reporting Regulation(CROMFRR),permittees will be required to submit all discharge monitoring data to the state electronically using eDMR arid will be required to complete the eDMR Stibrnission 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 Re'soiarces/Water Quality'Perini tiI Section ATTENTION: Central Files 1617 Mail Service Center Raleigh,North Carolina 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 ins=area where less than 10 percent of the households have broadband access,then a temporary waiver from the NPDES electronic reporting req'"uirements may be granted and discharge monitoring data may lie 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 niay seek an electronic reporting waiver from the Division (see"How to Request a Waiver from Electronic Reporting"section below). Page 4 of 6 Permit NC0075078 Grade II Biological Water Pollution Control System[15A NCAC 08G.0302] 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 http://www2.epa.gov/compliance/final-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,m9nitoring data and reports shall be submitted electronirglly 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: https://deq.nc.gov/about/divisions/water-resources/edmr 4. Signatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)] 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 nota 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 eDM_R system,registering for eDMR and obtaining an eDMR user account,please visit the following web page: http://deq.nc.gov/about/divisions/.water-resources/edmr Certification. Any person submitting an electronic DMR using the state's eDMR system shall make the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION WILL BE ACCEPTED: "I certify,under penalty of law,that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted.Based on my inquiry of the person or.persons who manage the system,or those persons directly responsible for gathering the information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete.I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." Page 5 of 6 _ \y Permit NC0075078 Grade II Biological Water Pollution Control System[15A NCAC 08G.0302] 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 tnaitifaitied fora period of at least 3 years from the dare Of the report. This period May be extended by request of the Director at any time [40 CFR 122.41]. • Page 6 of 6 . -..'''...N1 y •Y,I[K P$/��'l�4 �' i: )\ ✓fI •jfr T R� 1 �A *1 11 r, itake--17______, .,..„..:_______,..„-___,)_ ,------,N,.. 1,,,,._,,„/ A 4, \-,..1 i.() ,::. 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' -%***1—,41 7, ?,- )1,S /'''1.t,,,,L.,,---„..._,,/,,,,:i.-- . e ? y yr N_...ii 1200 r. j ..,, . ..., ,,,,,,:- (,,_,._,,,\„___,,,,,,, '....... _ --1> G t( ��'r' i _ir'^p ('e-✓JOy1yR� `' p "� ,r ^� � „_„ �� t.. � ---), S d tJ�''� �` -f �t 6•'`'� :a''M1 IO ap•'A 4/7/ ..r' r''�. - 4� - 7 C' f .i. { :::`' .---• /Ze' .a .... '1 ,•- ---MCC L.. -,`---,�`,..--,-„,,-,,,,,,N, ,,, `-.,- USGS Quad:Roaring River,N.C. Facility Subbasin:03-07-01 N C 0075078 Location Latitude:36°13'31" Longitude:810618" Wilkes County Airport Receiving Stream:UT Rock Creek WWTP Wilkes County Stream Class:C ✓t' ` Map not to scale