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HomeMy WebLinkAboutNC0088251_Draft Permit_20170906F -T tk .61 1 'k I P�l Water Resources ENVIRONMENTAL QUALITY September 6, 2017 Mr. David L. Clegg, County Manager Tyrrell County PO Box 449 Columbia, NC 27925-0449 ROY COOPER Gooei naw MICHAEL S REGAN Sea etag S JAY ZIMMERMAN Du ecto Subject: Draft NPDES Permit NCO088251 Tyrrell County Prison RO WTP Class PCNC Tyrrell County Dear Mr. Clegg: The Division has reviewed your request to renew the subject permit. Please review this draft carefully to ensure your thorough understanding of the information, conditions, and requirements it contains. The draft permit includes the following significant changes from the existing permit: ➢ Section A. (4) has been added to require electronic submission of effluent data, and a footnote has been added in Section A. (1). Federal regulations require electronic submittal of all discharge monitoring reports (DMRs). ➢ Regulatory citations have been added to the permit. ➢ Outfall map has been updated. ➢ The facility address has been updated on the cover sheet and Supplement to Permit Cover Sheet based on information provided in the application. ➢ Language has been updated on the Supplement to Permit Cover Sheet based on current NPDES permit formatting. ➢ The sampling location for flow has been changed to effluent in Sections A. (1) and A. (2) per the current water treatment plant strategy. ➢ Monitoring for temperature is no longer required per the current water treatment plant strategy, therefore it has been removed from Sections A. (1) and A. (2). ➢ Monitoring, limits, and an associated footnote have been added to Sections A. (1) and A. (2) for total residual chlorine per the current water treatment plant strategy. ➢ Limits and an associated footnote have been added to Sections A. (1) and A. (2) for turbidity, and the monitoring frequency has been increased to 2/month. ➢ Monitoring frequency for pH monitoring has been increased to 2/month in Sections A. (1) and A. (2) per current water treatment plant strategy. ➢ "Monitor & Report" has been added to Whole Effluent Toxicity Monitoring in the effluent table in Sections A. (1) and A. (2). State of North Carolina I Environmental Quality I Water Resources 1617 Mail Service Center I Raleigh, NC 27699-1617 919 807 6300 919-807-6389 FAX https //deq nc gov/about/divisions/water-resources/water-resources-perm>ts/wastewater-branch/npdes-wastewater-permits ➢ The footnote for toxicity in Sections A. (1) and A. (2) has been updated, as effluent characteristics are no longer required to be measured in conjunction with quarterly toxicity tests. ➢ The language in Section A. (3) has been updated. With this notification, the Division will solicit public comment on this draft permit by publishing a notice in newspapers having circulation in the general Tyrrell 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 919-807-6333, or via e-mail [Brianna.Young@ncdenr.gov]. Sincerely, Brianna Young Compliance and Expedited Permitting Unit cc: NPDES Files ec: Washington Regional Office WSS/Aquatic Toxicology Branch US Fish and Wildlife Services, Tom Augspuger US Fish and Wildlife Services, Sarah Mcrae Division of Marine Fisheries, J.D. Potts Division of Marine Fisheries, Alan Saunders NC Wildlife Resources Commission, Maria T. Dunn Permit NC0088251 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 provisions of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Water Quality Commission, and the Federal Water Pollution Control Act, as amended, Tyrrell County is hereby authorized to discharge wastewater from a facility located at Tyrrell County Prison RO WTP 624 Snell Road Columbia to receiving waters designated as Albemarle Sound in the Pasquotank River Basin in accordance with the discharge limitations, monitoring requirements, and other conditions set forth in Parts I, 1I, and III hereof. This permit shall become effective. This permit and the authorization to discharge shall expire at midnight on November 30, 2022. Signed this day. M7• S. Jay Zimmerman, P.G. Director, Division of Water Resources By the Authority of the Environmental Management Commission Page 1 of 9 Permit NCO088251 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 authcrity to operate and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included herein. Tyrrell County is hereby authorized to: Continue to operate a Water Treatment Plant with a discharge of refect wastewater from a reverse osmosis unit through a submerged 4 port diffuser. This water treatment plant currently has a design potable flowrate of 0.432 MGD and a maximum, monthly average wastewater discharge of approximately 0.079 MGD. The facility is located at 624 Snell Road, Columbia, NC in Tyrrell County. 2. After expansion to second reverse osmosis (RO) drinking water plant, and receipt by the Division's NPDES Unit of a letter from the Permittee confirming Public Water Supply Section approval was obtained to commence operation of second RO unit and certifying the appropriate 4 additional ports were added to the submerged diffuser, to begin operation of the expanded facility with a maximum, monthly average wastewater discharge of 0.216 MGD. 3. Discharge from said Water Treatment Plant at the location specified on the attached map into the Albemarle Sound [Stream Segment 30], a waterbody currently classified as SB waters in subbasin 03-01-53 [HUC: 0301020502] in the Pasquotank River Basin. Page 2 of 9 Permit NCO088251 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 effective date of the permit, and lasting until expansion to a second reverse osmosis (RO) drinking water plant, and receipt by the Division's NPDES Unit of the Permittee's letter confirming final Public Water Supply Section obtained for second RO treatment operation and certifying four diffuser expansion ports were installed, or expiration, the Permittee is authorized to discharge from Outfall 001 through a four (4) port diffuser. Such discharge shall be limited and monitored' by the Permittee as specified below: EFFLUENT CHARACTERISTICS (Parameter Code) LIMITATIONS Monthly Daily Avera a Maximum MONITORING REQUIREMENTS Measurement Sample Type Sample Frequency Location 2 Flow, MGD 50050 Continuous Recording E Dissolved Oxygen, mg/L 00300 Monthly Grab E, D t, D1, D2 Salim t 00480 Month' Grab E, D t, D1, D2 Conductive mohs/cm 00094 Month' Grab E, D t, D1, D2 pH (00400) Not less than 6 8 S.U. nor greater than 8.5 S U 2/Month Grab E H, S.U. 00400 Monthly Grab D t, D1, D2 Total Residual Chlorine 3 50060 13 ug/L 2/Month Grab E Total Dissolved Solids, m /L 70295 Monthly Grab E Turbidity a 00070 25 NTU 25 NTU 2/Month Grab E Total Arsenic, /L 01002 Quarterly Grab E Total Chlonde, m /L 00940 Quarterly Grab E Total Copper, /L 01042 Quarterly Grab E Total Zinc, pg/L 01092 Quarterly Grab E Ammonia Nitrogen, m /L C0610 Monthly Grab E Total Nitrogen, m /L 5 C0600 Quarterly Grab E Total Phosphorus, mg/L C0665) Quarterly Grab E Chronic ToxiCit s TGP3E Monitor & Report Quarterly Grab E Footnote: 1 The permittee shall submit discharge monitoring reports electronically using the NC DWR's eDMR application system [see A. (4)]. 2 Sample Locations. I = Influent, E = Effluent; Dpt = mstream at the discharge point; Dl = mstream at least 50 feet southwest of the discharge point; D2 = instream at least 50 feet northeast of the discharge point 3 Limit and monitor only if the facility adds chlorine or chlorine derivatives to water that is eventually discharged The Division shall consider all effluent TRC values reported below 50 gg/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 gg/L 4. Effluent turbidity shall not exceed 25 NTUs or cause the natural background turbidity to be increased. If the effluent exceeds 25 NTUs the Permittee shall take an upstream and downstream measurement of turbidity and demonstrate that the natural background turbidity, measured upstream of the discharge, is not increased All samples (upstream, downstream, and effluent) shall be taken within the same 24-hour period. NTU — Nephelometnc Turbidity Unit 5. Total Nitrogen = TKN + (NO2-N + NO3-N), where TKN is Total Kjeldahl Nitrogen and (NO2-N + NO3-N) is nitnte/nitrate nitrogen Page 3 of 9 Permit NCO088251 6. Chronic Toxicity Monitoring using Mysidopsis bahia at 2 9% concentration; Quarterly in January, April, July, and October. See Special Condition A (3). There shall be no discharge of floating sclids or visible foam in other than trace amounts. This discharge shall continue to demonstrate neither surface turbulence nor bottom scour. A. (2.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B .0400 et seq., 02B .0500 et seq.] During the period after expansion to a second reverse osmosis (RO) drinking water plant, and with the receipt by the Division's NPDES Unit of the Permittee's letter confirming final Public Water Supply Section approval obtained for second RO treatment operation and certifying four diffuser expansion ports were installed, and until expiration, the Permittee is authorized to discharge from Outfall 001 through an expanded multiport diffuser Such discharge shall be limited and monitored' by the Permittee as specified below: EFFLUENT CHARACTERISTICS (Parameter Code) LIMITATIONS Monthly Daily Average Maximum MONITORING REQUIREMENTS Measurement Sample Type Sample Frequency Location 2 Flow, MGD 50050 Continuous Recording E Dissolved Oxygen, m /L 00300 Monthly Grab E, D t, D1, D2 Salina t 00048 Monthly Grab E, D t, D1, D2 Conductive mohs/cm 00094 Monthly Grab E, D t, D1, D2 pH (00400) Not less than 6 8 S.0 nor neater than 8 5 S.0 2/Month Grab E H, S U 00400 Monthly Grab D t, D1, D2 Total Residual Chlorine 3 50060 13 /L 2/Month Grab E Total Dissolved Solids, m /L 70295 Monthly Grab E Turbid' a 00070 25 NTU 25 NTU 2/Month Grab E Total Arsenic, /L 01002 Monthly Grab E Total Chloride, m /L 00940 Monthly Grab E Total Copper, /L 01042 Monthly Grab E Total Zinc, /L 01092 Monthly Grab E Ammonia Nitrogen, m /L C0610 Monthly Grab E Total Nitrogen (TN), m /L a C0600 Quarterly Grab E Total Phosphorus TP , m /L C0665 Quarterly Grab E Chronic Toxicity s TGP3E Monitor & Report Quarterly Grab E Footnote: 1 The permittee shall submit discharge monitoring reports electronically using the NC DWR's eDMR application system [see A (4)]. 2 Sample Locations- I = Influent, E = Effluent; Dpt = mstream at the discharge point; D1 = instream at least 50 feet southwest of the discharge point; D2 = instream at least 50 feet northeast of the discharge point 3 Limit and monitor only if the facility adds chlorine or chlorine derivatives to water that is eventually discharged. The Division shall consider all effluent TRC values reported below 50 gg/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 gg/L Page 4 of 9 Permit NCO088251 4 Effluent turbidity shall not exceed 25 NTUs or cause the natural background turbidity to be increased. If the effluent exceeds 25 NTUs the Permittee shall take an upstream and downstream measurement of turbidity and demonstrate that the natural background turbidity, measured upstream of the discharge, is not increased. All samples (upstream, downstream, and effluent) shall be taken within the same 24-hour period. NTU — Nephelometnc Turbidity Unit. 5. Total Nitrogen = TKN + (NO2-N + NO3-N), where TKN is Total Kjeldahl Nitrogen and (NO2-N + NO3-N) is nitnte/nitrate nitrogen. 6. Chronic Toxicity Monitoring using Mysidopsis Bahia at 2 9% concentration; Quarterly in January, April, July, and October. See Special Condition A. (3). There shall be no discharge of floating solids or visible foam in other than trace amounts. This discharge shall continue to demonstrate neither surface turbulence nor bottom scour. A. (3.) CHRONIC TOXICITY PASS/FAIL PERMIT MONITORING (QUARTERLY) [15A NCAC 02B .0500 et seq.] The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality to Mysidopsis Bahia at an effluent concentration of 2.9%. The permit holder shall perform at a minimum, quarterly monitoring using procedures described below to establish compliance with the permit condition. The tests will be performed during the months of January, April, July, and October. 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. The test procedure will be based on EPA Method 1007.0, Mysid, Mysidopsis Bahia, Survival, Growth, and Fecundity Test, as described in Short -Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to Marine and Estuarine Organisms, Third Edition, EPA -821-R-02-014. The procedure will be performed as written with the following exceptions: • The test treatments will consist of a control and a 2.9% effluent concentration. • Mortality for pass/fail tests will be evaluated using the t test described in Section 11.3 in Methods for Measuring the Acute Toxicity of Effluents to Freshwater and Marine Organisms, Fifth Edition. EPA -821-R-02-012, October 2002, applying an alpha level of 0.05. • The growth endpoint for pass/fail tests will be determined using Appendix G of Short - Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to Marine and Estuarine Organisms, Third Edition, EPA -821-R-02-014, October 2002, applying an alpha level of 0.01. • Mortality and growth endpoints for multiple -concentration tests will be determined using hypothesis testing as described in EPA Method 1007.0, Mysid, Mysidopsis Bahia, Survival, Growth, and Fecundity Test, as described in Short -Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to Marine and Estuarine Organisms, Third Edition, EPA -821-R-02-014, October 2002. • Fecundity will not be evaluated. Page 5 of 9 Permit NCO088251 All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge Monitoring Form (MR -1) for fie months in which tests were performed. For pass/fail results, report using the parameter code TGP3E and the DWR Form AT -4 (original), which is to be sent to the address below. Attention: North Carolina Division of Water Resources Water Sciences Section/Aquatic Toxicology 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. Upon submission of a valid test, this monthly test requirement will revert to quarterly in the months specified above. 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 organiser_ reproduction, and appropriate environmental controls, shall constitute an invalid test and will require immediate follow-up testing to be completed no later than the last day of the month following the month of the initial monitoring. A. (4) 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 special condition supplements or supersedes the following sections within Part II of this permit (Standard Conditions for NPDES Permits): • Section B. (11.) Signatory Requirements Page 6 of 9 • Section D. (2.) • Section D. (6.) • Section E. (5 ) Reporting Records Retention Monitoring Reports Permit NC0088251 1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)1 The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR) internet application. Monitoring results obtained during the previous month(s) shall be summarized for each month and submitted electronically using eDMR. The eDMR system allows permitted facilities to enter monitoring data and submit DMRs electronically using the internet. Until such time that the state's eDMR application is compliant with EPA's Cross -Media Electronic Reporting Regulation (CROMERR), permittees will be required to submit all discharge monitoring data to the state electronically using eDMR and will be required to complete the eDMR submission by printing, signing, and submitting one signed original and a copy of the computer printed eDMR to the following address: NC DEQ / Division of Water Resources / Water Quality Permitting Section ATTENTION: Central Files 1617 Mail Service Center Raleigh, North Carolina 27699-1617 If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility being physically located in an area where less than 10 percent of the households have broadband access, then a temporary waiver from the NPDES electronic reporting requirements may be granted and discharge monitoring data may be submitted on paper DMR forms (MR 1, 1. 1, 2, 3) or alternative forms approved by the Director. Duplicate signed copies shall be submitted to the mailing address above. See "How to Request a Waiver from Electronic Reporting" section below. Regardless of the submission method, the first DMR is due on the last day of the month following the issuance of the permit or in the case of a new facility, on the last day of the month following the commencement of discharge. Starting on December 21, 2020, the permittee must electronically report the following compliance monitoring data and reports, when applicable: • Sewer Overflow/Bypass Event Reports; • Pretreatment Program Annual Reports; and • Clean Water Act (CWA) Section 316(b) Annual Reports. The permittee may seek an electronic reporting waiver from the Division (see "How to Request a Waiver from Electronic Reporting" section below). 2. Electronic Submissions In accordance with 40 CFR 122.41(1)(9), the permittee must identify the initial recipient at the time of each electronic submission. The permittee should use the EPA's website resources to identify the initial recipient for the electronic submission. Page 7 of 9 Permit NCO088251 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: his://www.federalregister.gov/documents/2015/10/22/2015-24954/national- pollutant-discharge-elimination-s stem-npdes-electronic-rgportin -rule. Electronic submissions must start by the dates listed in the "Reporting Requirements" section above. 3. How to Request a Waiver from Electronic Reporting The permittee may seek a temporary electronic reporting waiver from the Division. To obtain an electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to the Division. Requests for temporary electronic reporting waivers must be submitted in writing to the Division for written approval at least sixty (60) days prior to the date the facility would be required under this permit to begin submitting monitoring data and reports. The duration of a temporary waiver shall not exceed 5 years and shall thereupon expire. At such time, monitoring data and reports shall be submitted electronically to the Division unless the permittee re -applies for and is granted a new temporary electronic reporting waiver by the Division. Approved electronic reporting waivers are not transferrable. Only permittees with an approved reporting waiver request may submit monitoring data and reports on paper to the Division for the period that the approved reporting waiver request is effective. Information on eDMR and the application for a temporary electronic reporting waiver are found on the following web page: http://deq.ne.gov/about/divisions/wat&r-resources/edmr 4. minatory 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 II, Section B. (11.)(a) or by a duly authorized representative of that person as described in Part II, Section B. (11.)(b). A person, and not a position, must be delegated signatory authority for eDMR reporting purposes. For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user account and login credentials to access the eDMR system. For more information on North Carolina's eDMR system, registering for eDMR and obtaining an eDMR user account, please visit the following web page: http://deq.nc.gov/about/divisions/water-resources/edmr Certification. Any person submitting an electronic DMR using the state's eDMR system shall make the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION WILL BE ACCEPTED: U 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 Page 8 of 9 Permit NCO088251 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 3 years from the date of the report. This period may be extended by request of the Director at any time [40 CFR 122.41 ]. Page 9 of 9 L J� M Dpt 2. M s ' D2 ewey Pie - 4X W } Outfall Deweys Pier Road Freewii) u I -» c it 71 jA- o p i II ,t uH2 M) . to t' : _. • Q� 1' meq\1�4 - -- Sound Side Road Snell Road 22)8 4 -� Approximate location of facility Tyrrell County Tyrrell County Prison RO WTP NPDES Permit NCO088251 Receiving Stream: Albemarle Sound Stream Class: SB Stream Segment: 30 Sub -Basin #: 03-01-53 River Basin: Pasquotank HUC: 0301020502 County: Tyrrell N SCALE 1:24,000 USGS Quad: Columbia East 35.988330, -76.208610