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HomeMy WebLinkAboutNC0063321_DRAFT BOX BINDER 19Jul2022_20220726ROY COOPER Governor ELIZABETH BISER Secretary RICHARD E. ROGERS, Jr. Director NORTH CAROLINA Envrronmerrfii rtaIr�y July 26, 2022 Stan Bryson, Operations Superintendent Tuckaseigee Water and Sewer Authority (TWSA) 1246 West Main Street Sylva, North Carolina 28779 Subject: Mr. Bryson: Review of NPDES Permit DRAFT NC0063321 for Cashiers WWTP #3, WPCS Class WW-2 851 Cashiers Road, Cashiers Jackson County Per your request to renew the subject NPDES permit (received February 25, 2022), the Division of Water Resources (DWR or the Division) hereby transmits this draft for your review and comment. Please review this document carefully to assure your understanding of permit limits and monitoring conditions, and to correct errors, if any. Concurrent with this notification, the Division will solicit public comment on this draft by publishing a notice in newspapers having circulation in the general Jackson County area, as required by the NPDES Program. Please provide your written comments, if any, to me via email [joe.corporon@ncdenr.gov], or write to my attention care of NCDEQ / DWR / NPDES Program no later than August 31, 2022, approximately 30 days after receiving this letter. Your written comments are welcome, but they are not mandatory. Please be reminded that the receiving -stream, the Chattooga River, is classified and governed as Outstanding Resource Waters (ORW). Note that ORW waters are a Division priority. Should receiving steam impacts arise that may be attributed to your discharge, mitigative measured may be required. Summary of Renewal Changes. DWR understands that TWSA has made no significant changes to the treatment system at the subject WWTP. Accordingly, the Division has updated your permit text and format. For your convenience, we have included details regarding the electronic Discharge Monitoring Program (eDMR). Updates - Revised Ammonia Limits: Winter (01Nov- 31Mar) permit limits for Ammonia (NH3 as N) are hereby revised for renewal to "no greater than 2x the Summer limits," per permitting guidance (2016) and 15A NCAC 2B .0404(c). • Winter limits Monthly Average (MA) revised from 4.8 mg/L to 4.4 mg/L. • Winter Limits Weekly Average (WA) revised from 14.4 mg/L to 13.2 mg/L. Monthly Report Submittals: Federal regulations require electronic submittal of all program reports and Monthly Discharge Monitoring Reports (DMRs); see Permit Condition A. (3.). Our records show that Cashiers #3 has successfully registered for the Electronic Discharge Monitoring Report (eDMR) program. Please do not submit hard copy as back-up to eDMRs. D_EQ North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617 -- 919.707.3616 Stan Bryson, Operations Superintendent Renewal - Draft Permit Review Apr2022 Page 2 The NPDES standard conditions (Parts II, III, and IV), are part of this permit but are not included in this draft document (cover, map, and Part I). The conditions are identical to your current permit except that agency and division names have been updated. The latest version of Parts II, III, and IV are available at https://bit.ly/2BZ4xxx and can be viewed online or downloaded as a PDF file. Following the mandatory 30-day public comment period, the Division will review all pertinent comments and take appropriate action prior to issuing your NPDES permit final. If you have questions concerning this draft, please e-mail me or call my direct line (919) 807-6394. If you have questions, please email the undersigned at [joe.corporon@ncdenr.gov]. In support of mandated emergency response to Covid 19, most of NC state government currently functions remotely, therefore correspondence via email is preferred. Respectfully, R. Corpo on, P.G EQ / DW / NPDE Permitting Enclosure: NPDES Permit NC0063321 (permit renewal DRAFT) ec: NPDES Program Files / Laserfiche ARO / SWPS, Landon Davidson. OCU, Maureen Kinney ATB, Zach Thomas Permit NC0063321 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 and regulations promulgated and adopted by the North Caro Commission, and the Federal Water Pollution C 15.1, other lawful standards ironmental Management as amended, the Tuckaseigee Water & SeAuthority (' SA) is hereby authorized to discharg s : aterQ a facility located a the 111111101 85C ashie ak; ' . a . ,Nos,piers to receiving wate d ignated . t - C a ooga Ri - i .basin 03-13-02 of the Savannah River Basin in accordance effluent tatkn mouton g requirements, and other conditions set forth in Parts I, II, III and I' h. eof. This permit shall become e This permit and authorization to discharge shall expire at midnight on August 31, 2027. Signed this day , 2022. for Richard E. Rogers Jr., Director Division of Water Resources By Authority of the Environmental Management Commission Page 1 of 6 Permit NC0063321 SUPPLEMENT TO PERMIT COVER SHEET All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this permit issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included herein. Tuckaseigee Water & Sewer Authority (TWSA) is hereby authorized to: 1. continue to operate an existing 0.200 MGD wastewater treatment facility consisting of: • one 100,000-gallon equalization basin • one 30,000-gallon equalization basin • one 15,100-gallon digester • two (2) each 104,000-gallon aeration basi • one (1) 15,678-gallon clarifier • one (1) 49,706-gallon clarifier • rotating disc panel filters • one 25,000-gallon digester • dual (2) train liquid ch . rive/ i • id de • post aeration this facility located a ucka uthority's ashiers #3 WWTP, 852 Cashiers Lake Road, Cas 2. discharge from said treatment works via Outfall 001, at the location specified on the attached map, to the Chattooga River [stream index 3], a waterbody currently classified B; Trout; ORW within subbasin 03-13-01 [HUC: 03060102] of the Savannah River Basin. Page 2 of 6 Permit NC0063321 PART I A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B .0400 et seq., 02B .0500 et seq.] WPCS Class WW-2 [15A NCAC 08G .0302] During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge 0.200 MGD of treated wastewater from Outfall 001. Such discharges shall be limited, monitored, and reported 1 by the Permittee as specified below: EFFLUENT CHARATERISTICS [PCS CODE] LIMITS MONITORING REQUIREMENTS Monthly Average Weekly Average Daily Max Measurement Frequency Sample Type Sample p Location 2 Flow 50050 0.200 MGD Continuous Recording I or E Temperature (°C) 00010 ily Grab E Total Residual Chlorine 3 50060 22 µg/L 2 ek Grab E BOD, 5 day (20°C) 2 00310 15 mg/1 22.5 mg/1 Z Wee 1 Composite I or E Total Suspended Solids 2 00530 30 mg/L 45 mg/L Weekly Composite I or E Ammonia [NH3 as N] (Apr 1 — Oct 31) 00610 2.2 mg/L 6.6 mg/L eekly posite E Ammonia [NH3 as N] (Nov 1 — Mar 31) 00610 4.4 mg/L 1 . - eekly Co o ite E pH (standard units) 00400 1.1 < 6.0 nor ' .0 . Weekly Grab E Fecal Coliform (Geometric mean) 31616 200/ s l m 00/10t e ly Grab E Dissolved Oxygen 00300 aily aver. ge i of < 6. i :/L „ eekly Grab E Dissolved Oxygen 0030 Weekly Grab U & D 2 Fecal Coliform (Geometric mean) 31616 Weekly Grab U & D 2 Temperature (°C) l' I010 Weekly Grab U & D 2 Total Nitrogen I S6i l Semiannually Composite E Total Phosphorus 0065 / Semiannually Composite E Footnotes: 1. The Permittee shall submit monthly Discharge Monitoring Reports (DMRs) electronically using DWR's Electronic Discharge Monitoring Report [eDMR] Program, as detailed herein [see Section A. (3)]. 2. I = Influent; E = Effluent; U = Upstream, min 50 feet from the outfall. D =Downstream: min 500 feet from the outfall. 3. The monthly average effluent BOD5 and Total Suspended Solids concentrations shall not exceed 15% of the respective influent value (i.e., 85% removal required). 4. Total Residual Chlorine (TRC). The Division shall consider compliant all effluent TRC values reported below 50 µg/L. However, the Permittee shall continue to record and submit all values reported by North Carolina -certified test methods (including field certified), even if these values are reported below 50 µg/L. Condition: The Permittee shall discharge no floating solids or foam visible in other than trace amounts. Page 3 of 6 Permit NC0063321 A. (2.) COLLECTION -SYSTEM MODIFICATION - PERMIT REQUIRED [G.S. 143-215.1(a)] A sewer line shall not be made tributary to this facility's collection system unless the Permittee applies to modify this permit, and the Division approves its connection and operation. This includes a line serving more than one building, lines crossing property boundaries under separate ownership, or lines crossing rights -of -way. A. (3.) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS [G.S. 143-215.1(b)] Federal regulations require electronic submittal of all discharge monito program reports. The final NPDES Electronic Reporting Rule was a December 21, 2015. NOTE: This special condition supplements or supersedes t permit (Standard Conditions for NPDES Permits): • Section B. (11.) • Section D. (2.) • Section D. (6.) • Section E. (5.) 1. Re Signatory Requirements Reporting Records Retention Monitoring Reports ortin ' Re i uirements The permittee shall re Electronic Disch Monitoring res submitted electro monitoring data an accessed at: h • s://de ort di h ge Mo ' orin is ectio ec ' o n� i •ring d.ta ort e r i R) i te g reports (DMRs) and and became effective on tions within Part II of this E. 5. electronic 1y using the NC DWR's et application. revious (s) shall be summarized for each month and eDMR system allows permitted facilities to enter '. ally using the internet. The eDMR system may be ns/water-resources/edmr. If a permittee is unable to R system due to a demonstrated hardship or due to the facility being physically loca - d 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 See "How to Request a Waiver from Electronic Reporting" section below. Page 4 of 6 Permit NC0063321 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. NPDES Electronic Reporting Rule — Phase 2 Extension: EPA is proposing to extend the Phase 2 deadline from December 21, 2020 until at least December 21, 2023. The current compliance date will be extended if the implementation date is extended as a final re lation change in the federal register. The permittee may seek an electronic reporting waiver fro th ► . ' ion (see "How to Request a Waiver from Electronic Reporting" section below). 2. Electronic Submissions In accordance with 40 CFR 122.41(1)(9), • : s ermitte - s - y the initi:l - cipient at the time of each electronic submission. The permi - : •uld use ' A's website resces to identify the initial recipient for the electronic submi Initial recipient of electronic entity (EPA or the state a designated entity for receiv lated facilities means the program) that is the [see 41 CFR 127.2(b)]. EPA plans to e li e . ite h. t o t o f e appropriate electronic reporting tool for each type of e' -c onic sub for eac to structions on how to access and use the appropriate elec o is reportin t c of i be availa s as well. Information on EPA's NPDES Electronic Reporti ' _ ule is fou https://www.federalrter.gov/doc men =015/10/22/2015-24954/national-pollutant-discharge- elimination-system-np. - s lectronic-reporting-rule Electronic submissions mu start ► 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 5 of 6 Permit NC0063321 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.) 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 must obtain an eDMR user account and login credentials to access the eDMR system. Finformation on North Carolina's eDMR system, registering for eDMR and obg i an - , i R user account, please visit the following web page: htt . ://de . .nc. ov/about/divisions/water-resources/ Certification. Any person submitting an e the following certification [40 CFR 122.22 WILL BE ACCEPTED: "I certify, under penalty of direction or supervision in properly gather and • luate persons who ma information, and complete. including the pos e state's eD ' ystem shall make TEMENTS OF RTIFICATION is were prepared under my esign ' t. ssure that qualified personnel ed. Based on my inquiry of the person or tly responsible for gathering the is, to y knowledge and belief true, accurate, significa ' . enalties for submitting false information, onment for knowing violations." 5. Records Retention Su s s befits : ection 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 6 of 6 Chattooga River (flows SE) IA LIST 16 +� 3 Outfall 001 (Flows south) Chattooga River (flows west) Tuckaseigee Water and Sewer Authority Cashiers #3 WWTP Receiving Stream: Latitude: Longitude: Stream Class: Stream Segment: Chattooga River 35° 06' 11" N 83° 06' 25" W B; Trout; ORW 3 State Grid/Quad: River Basin: Sub -Basin: HUC: G6SE/Cashiers, NC Savannah 03-13-01 030601020201 Approx. property boundary Facility Location Map not Location Map not to scale North NPDES NC0063321 Jackson County