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HomeMy WebLinkAboutNC0078131_Draft Permit_20180815 e r sTAIT 11/4 ,„ Vin . 'f.i' n tFp- • NORTH CAROLINA E'nvironment'al Quality ROY COOPER Governor MICHAEL S.REGAN Secretary LINDA CULPEPPER Interim Director August 15, 2018 Mr. Frank P. Bottorff, City Manager City of Havelock PO Box 368 Havelock,NC 28532-0368 Subject: Draft NPDES Permit NC0078131 Brown Boulevard WTP Grade I Physical Chemical WPCS Craven County Dear Mr. Bottorff: 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: 1. Language has been updated in Section A. (1) and Section A. (5)to require electronic submission of effluent data. Federal regulations require electronic submittal of all discharge monitoring reports (DMRs). 2. Regulatory citations have been added to the permit. 3. Facility grade has been added to the permit. 4. Outfall map has been updated. 5. The facility address has been updated on the cover sheet and Supplement to Permit Cover Sheet per the renewal application. 6. The components list has been updated on the Supplement to Permit Cover Sheet per the renewal application. 7. Language has been updated on the Supplement to Permit Cover Sheet. 8. Instream monitoring for pH has been changed to monthly in Section A. (1)per the current water treatment plant guidance. 9. Instream sampling for salinity and conductivity has been changed to grab sampling in Section A. (1). -m417) 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 919.707.9000 10. Limits have been added for Total Copper and Total Zinc in Section A. (1)based on a reasonable potential to exceed water quality standards. 11. Former footnote#3 in Section A. (1) concerning a compliance schedule for flow composite sampling has been removed as the deadline has passed. 12. The footnote regarding total residual chlorine in Section A. (1)has been updated. 13. Language has been updated in Section A. (2). 14. A discharge alternatives analysis has been added as Section A. (3) due to a history of failed toxicity tests. 15. A compliance schedule has been added as Section A. (4) for Total Copper and Total Zinc. Please note that the practical quantitation limits (PQLs) for Total Copper is 2 µg/L(per the Inorganic Chemistry Branch of the Division of Water Resources Water Sciences Section) and monitoring data should be reportable down to these levels. Per North Carolina 15A NCAC 02B Water Quality Standards for Surface Waters,the current limits for class SC waters for copper are 3.7 µg/L(acute) and 5.8 µg/L(chronic). Limits for water treatment plants are determined by evaluating DMR data submitted to the Division, along with a dilution factor(if applicable) and the maximum monthly average flow reported in the previous 3 years at the time the review is completed. Whole Effluent Toxicity test results submitted during the past three years have demonstrated that the Water Treatment Plant's effluent is showing potential for causing aquatic toxicity in the receiving stream.As a result,the City of Havelock shall perform a Discharge Alternatives Evaluation as described in Section A. (3) of this permit. This evaluation is being requested to determine whether there are any economical and technologically feasible alternatives available to the City of Havelock to comply with all NC Water Quality Standards.The permittee will be given approximately one permit cycle to evaluate and document possible treatment/discharge alternatives to eliminate aquatic toxicity. The evaluation shall be submitted with the permittee's next permit renewal application and will be carefully reviewed by the Division and the results will be used in the development of a compliance schedule or possible variance request for the City of Havelock. With this notification,the Division will solicit public comment on this draft permit by publishing a notice in newspapers having circulation in the general Craven 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 919-707-3619, or via e-mail [Brianna.Young@ncdenr.gov]. Sincerely, rei5v,..„. .......Nr" Brianna Young Compliance and Expedited Permitting Unit cc: NPDES Files Washington Regional Office Wastewater Operator Certification Group WSS/Aquatic Toxicology Branch WSS/Ecosystems Branch Permit NC0078131 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES PERMIT TO DISCHARGE WASTEWATER UNDER THE NATIONAL POLLUTANT DISCHARGE/ELIMINATION SYSTEM (NPDES)C.,./ . /2 . In compliance with the provisions of North Carolina General Statute 143-2154 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 \ ,„\,// Cityof-Havelock \ 'N,� is hereby authorized to dischar-geAteatted wastewater from a,,faccility known as z-----.N\,� � '�;,�',/mss (Brown Boulevard�Water Treatment Plant \ ) 527 Brown`Boulevard ,,- —-,,, \ ,-"Havelock , K Crave rity to receiving wa(:\tcc-- er`s•designated as McCotter Canal, a tributary to Shop Branch, within the Neuse River Basin in accordance with effluent limitations,monitoring requirements, and other conditions set forth in Parts I, II, III and IV\hereof.i /1) The permit shall become effective. I This permit and the authorization to discharge shall expire at midnight on June 30, 2023. Signed this day. ' Linda Culpepper Interim Director, Division of Water Resources By Authority of the Environmental Management Commission Page 1of9 Permit NC0078131 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 described herein. The City of Havelock is hereby authorized to: 1. Continue to operate an ion exchange and greensand'flter water t eatinent plant with discharge of wastewaters from Greensand and Ion exchange'units:"This water treatment plant currently has a design potable flowrate of 2.8 MGD and a ma)mum, monthly average\wastewater discharge of 0.123 MGD. This facility is located at the Brown.Boulevard WTP, 527 Brown,Boulevard in Havelock in Craven County. Water and wastewater treatment consists of: \ • \ ` °,° ) • Four(4)water supply wells \ c -- • Two (2) aeration basins \ • Oxidation • Six (6) greensand%anthracite filters \ • Four(4) ion-exchange water-softeners °• • 1.0 MGD storagetank \1 \ �. • 417,000 gallon clarifier J L.;,� ° \ • 60,000 gn allosettling basin �._ ` . \! • 1/2" discharge lite,. \\).-� °`` Tom`- . _��. • • c\Deohlorination`using liquid calcium thiosulfate N • Six(6) sludge drying beds \,,` • Chemical usage consists of ° o Sodiuin permanganatev o Zinc orthophosphate o Sodium hypochlorite r' o Ammonium-sulfate 2. Discharge from said treatment works via Outfall 001 at a location specified on the attached map, into McCotter Canal, a tributary to Shop Branch [Stream Segment: 27-115-3], a waterbody currently classified SC; Sw,NSW within subbasin 03-04-10 [HUC: 0302020405] of the Neuse River Basin. Page 2 of 9 Permit NC0078131 PART I A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B .0400 et seq., 02B .0500 et seq.] Grade I Physical Chemical WPCS [15A NCAC 08G .0302] During the period beginning on the effective date of this permit and lasting until expiration,the Permittee is authorized to discharge filter backwash via Outfall 001. Such discharges shall be limited and monitored' by the Permittee as specified below: LIMITATIONS MONITORING REQUIREMENTS EFFLUENT CHARACTERISTICS Monthly Daily Measurement Sample Sample Parameter Codes Average Maximum Frequency Type Location 2 Flow(MGD) 50050 ,, ,/ \Continuous Recording E Total Suspended Solids C0530 30.0 mg/L /5.0,mg/L '2/Month Composite E Total Residual Chlorine 3 50060 /` ,13'pgIL 2/Mbn.th\ Grab E pH 00400 Not<65�or�>�8.5 2/Month A\ Grab E standard`units, .--,, pH(s.u.) 00400 \ \ / / Monthly \ °Grab U&D7 Salinity(ppth) 00480 ( \ \ c-' Monthly Composite E Salinity(ppth) 00480 \ \\'`•„, \ \ Monthly Grab U &D 7 Conductivity(pmhos/cm) 00094 \ \ ``ti,'\ '\ \Monthly Composite E Conductivity(pmhos/cm) ,-00094 \ \ \, 'N-,, \Monthly Grab U &D 7 \ \,/ \ E Dissolved Oxygen(mg/L) 00300 � � � , .Monthly Grab U&D r Total Dissolved Solids(mg/L)\ \70295 \ '\ "e - Monthly Composite E Turbidity(NTU) \0'0010 / L \ \ Monthly Grab E Total Copper 4/ _`'',.,, 01042' ,3-70-pg/'L,,., 5�80\pgIL Monthly Composite E Total Chloride(mg/1:j '- 'N,. N.,00940. \ 's--, ,l/ Monthly Composite E Total Iron(pg/0\ N0\10,45 \ \ ``-' Monthly Composite E Total Manganese(pig/0 01,055 \ \ Monthly Composite E Total Zinc 4 \ \ 0109,2 \ 85.6 ug/) 95.1 pg/L Monthly Composite E Ammonia Nitrogen(m)/L)\ C0610,' \ Monthly Composite E TKN (mg/L) \ 'tip 00625 ) Monitor&Report Quarterly Composite E NO3-N +NO2-N(mgIL) \ \00,630 ;' Monitor&Report Quarterly Composite E Total Nitrogen 5(mgIL) \C0600' Monitor&Report Quarterly Composite E Total Phosphorus(mg/L) C0665 Monitor&Report Quarterly Composite E Acute WET Testing 6 TGE3E Monitor&Report Quarterly Composite E Footnotes: 1. The permittee shall submit discharge monitoring reports electronically using the NC DWR's eDMR application system[see Section A. (5)]. 2. E=Effluent;U=upstream at least 50 feet from the outfall;D=downstream at least 100 feet from the outfall. 3. 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 pg/L. Page 3 of 9 Permit NC0078131 4. See Section A. (4) for compliance schedule. 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. Whole Effluent Toxicity(WET)testing using Mysidopsis bahia shall be performed as 24-day pass/fail test at 90%effluent concentration, during January,April,July and October[See Section A. (2)]. 7. If no stream flow is available to sample,indicate"no stream flow"on the DMR. Samples shall be taken at the outfall but prior to mixing with the receiving waters. There shall be no discharge of floating solids or foam in other than trace amounts. ✓' it ( ti '\'‘.‘7.;) \ �4y / o • Page 4 of 9 Permit NC0078131 A. (2) ACUTE TOXICITY PASS/FAIL MONITORING ONLY (QUARTERLY) [15A NCAC 02B .0500 et seq.] The permittee shall conduct acute toxicity tests on a quarterly basis using protocols defined in the North Carolina Procedure Document entitled"Pass/Fail Methodology For Determining Acute Toxicity In A Single Effluent Concentration" (Revised-December 2010 or subsequent versions). The monitoring shall be performed as a Mysid Shrimp (Mysidopsis bahia) 24 hour static test. The effluent concentration at which there may be at no time significant acute mortality is 90% (defined as treatment two in the procedure document).. 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. All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge Monitoring Form(MR-1) for the month in which it was performed,using the parameter code TGE3E. Additionally, DWR Form AT-2 (original)-is to be sent to the following address: Attention: North Carolina Division of Water Resources Water Sciences Section/Aquatic Toxicology Branch 1621 Mail Service Center . ' Raleigh,NC 27699-1621 Completed Aquatic Toxicity Test Forms sliall`be filed with the Water;Sciences Section no later than 30 days after the end of the reporting period for which the report-is Test data shall be complete and accurate\and include all supporting_chemical/physical measurements performed in association with the toxicity tests, as'well as all dose/response data. 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,then monthly monitoring will begin immediately. Upon submission of a valid test, this monthly test requirement will revert to quarterly in the months specified above. Should any test data from either these monitoring requirements 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 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 9 Permit NC0078131 A. (3) DISCHARGE ALTERNATIVES EVALUATION The Permittee shall assess potential alternatives to eliminate Whole Effluent Toxicity(WET) test failures. This evaluation shall assess the feasibility of all the following alternatives. 1. Connect discharge to a WWTP: Determine whether the wastewater can be discharged to a wastewater treatment plant. Approval or disapproval from the plant operator should be acquired. 2. Obtain a Non-discharge permit: Eliminate the surface water discharge by obtaining a non-discharge permit for spray irrigation, infiltration, or subsurface disposal (on-site drainfield, infiltration gallery, injection wells). 3. Install Wastewater Treatment: Install improved wastewater treatment to enable the facility effluent to consistently pass the WET test. If this is not technically/feasible or cost prohibitive,please explain and provide estimated costs. 4. Use Alternative Water Treatment Source: Obtain,drinking water from another source(nearest County, City, or Town or other wells) so the discharge or toxicity\pr'`oblem is eliminated. 5.Use Alternative Water Treatment Method: Install alternative and/or'innovative water treatment methods or operational improvements that do--not produce toxic wastewaters. For example, install a recycle iron/manganese filtration system with nodischarge`or combine discharge with WWTP or cooling water effluents. :r 6. Discharge to a Larger waterbody/Perform a dilution model: Relocate the facility's discharge to a larger receiving waterbody to elimiriate•,o`r-reduce toxic impacts to the receiving waterbody given the increased dilution. If applicable,perfo'rm`a dilution-model tore give allowance for stream dilution in WET test. 7. Combination of Alternatives: Employ any combination-of-the alternatives listed above that would result in eliminating or.decreasi'ng toxicity.until amore feasible solution becomes available. The evaluation shall include'present value`ofcosts analysis for all technologically feasible options as outlined in the Division's`-`Engineering Alternatives Analysis Guidance Document." This Document can be found at: http://portal.ncdenr.org/web/wq/swp/ps/npdes/permits. This evaluation is being requested'to determine whether there are any economical and technologically feasible alternatives available to the Permittee to address aquatic toxicity in the plant effluent. Based upon the evaluation, please identify viable alternatives and present an implementation schedule and project timeline for the preferred'alternative. The Permittee shall submit the Discharge Alternatives Evaluation to the Division along with the submission of their next permit renewal application(due 6 months prior to permit expiration) to: NC DENR/Division of Water Resources/Water Quality Permitting NPDES, Wastewater Branch 1617 Mail Service Center, Raleigh,NC 27699-1617 A. (4) SCHEDULE OF COMPLIANCE (OUTFALL 001) [G.S. 143-215.1(b)] 1. Within one year from the effective date of the permit the Permittee shall submit to the Division of Water Resources a Corrective Action Plan summarizing the actions or strategy to be taken to achieve Page 6 of 9 Permit NC0078131 compliance with the Total Copper and Total Zinc limits at Outfall 001. Specific dates for completion or implementation of each action shall be included. 2. Within two years from the effective date of the permit submit a report to the Division summarizing actions taken in accordance with the Corrective Action Plan. 3. Within three years from the effective date of the permit submit a report to the Division summarizing actions taken in accordance with the Corrective Action Plan. 4. Within four years from the effective date of the permit submit a report to the Division summarizing actions taken in accordance with the Corrective Action Plan. 5. Achieve compliance with Total Copper and Total Zinc limits specified in Section A. (1)within five years of the permit effective date. ' Upon approval of the Corrective Action Plan by the Division the report and actions become an enforceable part of this permit. Any modifications to the schedule shall be requested to the Division at least ninety(90) days before the deadline. Modifications to the schedule in excesf four months will be subject to public notice. / \ A. (5) 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 R porting Rule was ad`opted.and became effective on December 21, 2015. \ NOTE: This special condition supplements or supersedes the follo iw ng sections within Part II of this permit(Standard Conditions,for NPDES Permits)e\/ / • Section B. (11.) \ Signatory Requirements', � • Section-D: (24_ Reporting__ a '\ • Sectiona-(6-.) Records.Retention - • Section E. (5.) Monitoring Reports4- 1. Reporting Requirements [Supersedes-Section D. (2.) and Section E. (5.) (a)1 The permittee shll;report discharge monitoring data electronically using the NC DWR's Electronic Discharge Monitonng,Report(eDMR)'internet application. Monitoring results obtained,duririg 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 Page 7 of 9 • Permit NC0078131 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; N • Pretreatment Program Annual Reports; arid • Clean Water Act(CWA) Section 316(b)Anhual.Reports. . \ The permittee may seek an electronic reporting waiver fibril the,Division(see "How-to Request a Waiver from Electronic Reporting" sectipi below). , ' N 2. Electronic Submissions \ In accordance with 40 CFR.F122.41-(l)(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 9f_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.federalregister.gov/documents/2015/10/22/2015-24954/national-pollutant- discharge-elimination-system-npdes-electronic-reporting-rule. •� f 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 Page 8 of 9 • Permit NC0078131 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 4. Signatory Requirements [Supplements Section B. (11.) (b) and,Supersedes Section B. (11.) (d)1 All eDMRs submitted to the permit issuing authority shall be si'gned'by a person described in Part II, Section B. (11.)(a) or by a duly authorized representative o"that person as described in Part II, Section B. (11.)(b). A person, and not a position,must be delegated signatoryauthority 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*following web page: .i , 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.STATEM ENTS�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 iSupplements Section D. (6.)1 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 ��,i .--,- -w j Nom: ' / (! ,� \ )N ��� ^/ /�� ( /, / �j N. 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':1211 _ _r_ / ,...__i iliaki. ....000 4,io. 41111..► Outfall \. , s. / ��;.` :-C7N -'4: - Copyright:©2013 NationaljGeographic So,iety,i-cubed City of Havelock N �,allmI � ��Ls Brown Boulevard WTP �/►'ti�� ;�'�1�L��r �- N PD ES Permit NC0078131 A ���f.ga &1.1100j44 iZ.��Facility cation ,ailit lalla �•♦� i Receiving Stream: McCotter Canal to Shop Branch scale not shown ��#� Stream Segment: 27-115-3 Stream Class:SC;Sw, NSW rIIT River Basin: Neuse Sub Basin#: 03-04-10 SCALE HUC:0302020405 USGSQuad: Masontown County: Craven 1:24,000 34.86056°,-76.89389°