Loading...
HomeMy WebLinkAboutNC0057533_Draft Permit_20171213Water Resources Environmental Quality December 13, 2017 Ms. Ann B. Hardy, County Manager Brunswick County Public Utilities Department P.O. Box 249 Bolivia, North Carolina 28422 ROY COOPER Governor MICHAEL S. REGAN Seci etary LINDA CULPEPPER Interim Director Subject: Draft NPDES Permit NCO057533 Northwest WTP (Hood Creek WTP) (PC -1) 3954 Clearwell Dr. NE, Leland 28451 Brunswick County Dear Ms. Hardy: In response to your request to renew the subject NPDES permit, the Division of Water Resources (DWR or the Division) hereby transmits this draft for your review and comment. Please review this document to assure your understanding of the permit limits and monitoring conditions, and to correct errors, if any. The Division understands that you have made no significant changes to your facility since the last permit renewal. We have made the following updates for this permit renewal: 1. The facility map has been updated. 2. Regulatory citations have been added. 3. Electronic reporting of discharge monitoring reports (eDMR) has been added in Section A. (6.). 4. The receiving stream is not impaired for Turbidity. Therefore, instream monitoring has been removed including the footnote. 5. Concurrent sampling for toxicants with WET testing has been removed. 6. Since this facility does not use chloramines, ammonia nitrogen sampling has been removed. 7. Total Manganese and Total Iron monitoring has been removed because the EPA approved removal of NC aquatic life standard as part of 2007-2016 Triennial review. Therefore, there are no limits to compare monitoring data for these parameters. 8. Due to toxicity failures, a permit re -opener condition for whole effluent toxicity has been added as described in Section A. (3.) of this permit have been added. 9. The daily maximum limit for Total Residual Chlorine has been changed to 18 µg/1 to account for dilution in receiving stream. 10. The following parameters now have monthly monitoring and limits because reasonable potential to exceed water quality standards or criteria: Effluent Characteristics Parameter Code Total Copper 01042 Total Fluoride 00951 Total Aluminum 01105 Monthly Average Daily Maximum 8.24 µg/1 10.89 µg/1 1882.9 µg/1 1882.9 µg/l 8368.3 µg/l 8368.3 µg/1 11. A schedule of compliance has been added for the Total Copper and Total Fluoride limits in Section A. (2). 12. Effluent and upstream quarterly monitoring for Total Hardness has been added. Please see discussion below for more information. State of North Carolina I Environmental Quality 1617 Mail Service Center I Raleigh, North Carolina 27699-1617 919-707-9000 Ms. Hardy December 13, 2017 Page 2 of 2 The NC 2007-2014 Water Quality Standa-d (WQS) Triennial Review was approved by the NC Environmental Management Committee (EMC) on November 13, 2014. The US EPA subsequently approved the WQS revisions on April 6, 2016 with some exceptions. The NC Division of Water Resources NPDES Permitting Unit is required to implement the new dissolved metal standards in all permits public noticed after April 6, 2016 The new standards for most metals include acute standards. Furthermore, the freshwater standards for several metals are expressed as the dissolved form of the metals, and seven metals have hardness -dependent equations. As a result, the NPDES Permitting Unit will need site-specific effluent hardness data and mstream hardness data, upstream of the discharge, for each facility monitoring these metals in order to calculate permit limitations. Effluent hardness and instream hardness sampling, upstream of the discharge, has been added to this permit at a monitoring frequency of quarterly. See Section A. (1.) Effluent Limitations and Monitoring Requirements. Concurrent with this notification, the Division will solicit public comment on this draft by publishing a notice in newspapers having circulation in the general Brunswick County area, as required by the NPDES Program. Please provide your comments, if any, to me via email [derek.denard@ncdenr.gov] or write to my attention care of DEQ / DWR / NPDES Program no later than January 12, 2018. Your written comments are welcome but not mandatory. Following the mandatory 30 -day public comment period, the Division will review all pertinent comments on your permit draft, 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) 807-6307. Sincerely, Derek Denard, Environmental Specialist Compliance & Expedited Permitting Unit Division of Water Resources, NCDEQ Enclosure: NPDES Permit NC0057533 (renewal DRAFT) he NPDES Program Files ec DWR/WiRO, Morella Sanchez King [morella sanchez-king@ncdenr gov], Steve West [steve west@ncdenr gov) Wastewater Operator Certification Group / Maureen Kinney [Maureen Kinney@ncdenr gov] Aquatic Toxicology Branch / Susan Meado" s [susan meadows@ncdenr gov], Cindy Moore [curdy moore@ncdenr gov] Glenn Walker [glenn walker@brunswickcountync gov] NPDES Permit NC0057533 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 Brunswick County is hereby authorized to discharge wastewater from a facility located at the Northwest Water Treatment Plant (WTP) (Hood Creek WTP) 3954 Clearwell Dr. NE, Leland 28451 Brunswick County to receiving waters designated Hood Creek within the Cape Fear River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, and IV hereof The permit shall become effective on 12018. This permit and the authorization to discharge shall expire at midnight on 12023. Signed this day , 2018. Linda Culpepper, Interim Director Division of Water Resources By Authority of the Environmental Management Commission Pagel of 8 NPDES Permit NCO057533 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. Brunswick County is hereby authorized to: 1. continue to operate a conventional technology water treatment plant [coagulation, flocculation, sedimentation, and filtration] with discharge of wastewaters from media filter backwash and sedimentation basins with a design potable flowrate of 24 MGD and a backwash discharge of 0.981 MGD, with wastewater treatment consisting of; • influent disinfection (chlorination) • two (2) each 12 MGD up -flow clarifiers [disinfected raw water] • two (2) banks of four (4) each filter [sand/anthracite/gravel filter; backwash contains chlorine and fluoride] • one (1) clear well (4 MGD) • surge lagoon (2.0 MGD) • sludge thickener (0 180 MGD) • dechlorination equipment + chemical usage consisting of o chlorine dioxide (chlorination) o sodium hydroxide (50%) o poly aluminum chloride (flocculation) o sodium silica fluoride o bleach -type solutions o cationic polymer solutions o calcium thiophosphate (dechlorination) o powered activated carbon 0 orthophosphate facilities located at the Northwest WTP (Hood Creek WTP), 3954 Clearwell Dr. NE, Brunswick County; and 2. discharge from said treatment works, at the location specified on the attached map, to Hood Creek [stream segment 18-66], a waterbody currently classified C, Sw within Subbasin 03-06-17 [030300050406] of the Cape Fear River Basin. Page 2 of 8 NPDES Permit NCO057533 PART I A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS OUTFALL 001 [15A NCAC 02B .0400 et seq., 02B .0500 et seq.] During the period beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to discharge filter backwash from Outfall 001. Such discharges shall be limited, monitored and reported' by the Permittee as specified below: EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS' Monthly Daily Measurement Sample Sample [Parameter Codes] Avera a Maximum Frequency Type Location Flow (MGD) 50050 R \'Continuous Recording Effluent Total Suspended Solids (TSS) (mg/1) C0530 30 1 45 mg/l Weekly\ Grab Effluent Total Residual Chlorine (TRC) (µg/1) 2 50060 R \ 18 µg/12 Weeklly\R Grab Effluent pH (su) 00400 Not < 6 0 nor-> 0 standard \ \/ Weekly Grab Effluent f units , /" 1 Turbidity (NTU) 00070 Monitor & Report Weekly Grab Effluent Hardness - Total as \ 3 00900 Monitor,& Report R Quarterly Grab Effluent CaCO3 or Ca + M m ( g)] z Hardness - Total as 4 "00900 RMonitor && Report",a,,uarterly Grab Upstream CaCO3 or Ca + M m [ ( g)] ( g� -~ -� \ Total Copper (µg/1) 3,5'01 042 8.24 µg/1'5 10.89 µg/1 Monthly Grab Effluent Total Fluoride (µg/1) 5-� 00?51 1882.9 µg/15", 1882 9µg/15 Monthly Grab Effluent Total Aluminum (µg/1) _.'\ ✓61105 x8368 3 µg/l\ 8368 3 µg/1 Monthly Grab Effluent Total Zinc Z., 3 �' ` 01092 ~ ti i Quarterly Grab Effluent Total Nitrogen (TN) (mg/1) ~\ C0600\ Monitor & Report Quarterly Grab Effluent Total Phosphor�us'(TP) (mg/1) �R � \ Monitor & Report Quarterly Grab Effluent \C06651, \ \ Chronic WET Testuig?, TGP3B L� M%onitor & Report Quarterly Grab Effluent Footnotes* 1 The Permittee shall eb ginsubmitting Discharge Monitoring Reports electronically using NC DWR's eDMR application system See Condition AR(6). 2 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 torecord and submit all values reported by a North Carolina certified test method (including field certified), even if these values fall below 50 µg/L. 3 Effluent hardness sampling should be performed in conjunction with sampling for hardness dependent metals (Copper, Zinc) 4. The Permittee shall sample mstream hardness, upstream of the facility's discharge. The sample shall be representative of the hardness in the receiving stream 5 Compliance with this 'mut shall commence on , approximately 48 months from the permit effective date See Compliance Schedule Condition A (2) 6 Chronic WET testing (Ceriodaphnza dubza) 7 -day pass/fail test at 90% in February, May, August and November See condition A (5.) Conditions• • All samples must be collected from a typical discharge event • The Permittee shall discharge no floating solids or foam Page 3 of 8 NPDES Permit NCO057533 A. (2.) SCHEDULE OF COMPLIANCE (OUTFALL 001) [G.S. 143-215.1(b)] 1. Within one year from the effective day of the permit the Permittee shall submit to the Division of Water Resources a Corrective Action Plan summarizing the actions to be taken to achieve compliance with the Total Copper and Total Fluoride limits at Outfall 001 and a schedule of activities to implement the Plan. 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 Pian. 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 Fluoride limits specified in Section A. (1.) by 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 excess of four months will be subject to public notice. A. (3.) PERMIT RE -OPENER: WHOLE EFFLUENT TOXICITY [G.S. 143-215.1(b)] Whole Effluent Toxicity monitoring results indicating aquatic toxicity may result in the Division of Water Resources re -opening this permit, or requesting by letter that further action be taken. Additional metals testing, a toxicity identification evaluation, a toxicity reduction evaluation, and/or an assessment of discharge treatment alternatives may be requested. A. (4.) PERMIT RE -OPENER: TMDL IMPLEMENTATION [G.S. 143-215.1(b)] The Division may, upon written notification to the Permittee, re -open this permit in order to incorporate or modify effluent limits, monitoring and reporting requirements, and other permit conditions when it deems such action is necessary to implement TMDL(s) approved by the USEPA. Page 4 of 8 NPDES Permit NCO057533 A. (5.) CHRONIC TOXICITY PASS/FAIL MONITORING ONLY (QUARTERLY) [15A NCAC 02B .0500 et seq.] The permittee shall conduct quarterly chronic toxicity tests using test procedures outlined in the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised December 2010, or subsequent versions The effluent concentration defined as treatment two in the procedure document is 90%. The testing shall be performed as a Ceriodaphnia dubia 7 -day pass/fail test. 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. /f All toxicity testing results required as part of this permit Monitoring Form (MR -1) for the month in which it was' Additionally, DWR Form AT -1 (original) is to be sent tc Attention: North Carolina Division of Wat( Water Sciences Section/Aquatic 1621 Mail Service Cuter Raleigh, NC 27699-1621 Completed Aquatic Toxicity Test Forms shdb�e filed'w. the end of the reporting penodofor which the repo ' is mz Test data shall be complete and accttiral in association with the toxicity tests, as toxicity sample must be measured and i Should there,bciio discharge` oofflow fi the permittee will-complethe mf facihty,name, permit number, pipe nu Flow" inthe,comment area o`fthe form address cited above. Should the permittee fail to monitoring will begin imm ( quarterly in the months,spe, as all ed if iition will be entered on the Effluent Discharge ►rmed, using the parameter code TGP3B. following address: Water Sciences Section no later than 30 days after ortm chemical/physical measurements performed Anse data. total)residual chlorine of the effluent employed for disinfection of the waste stream he facilitX during a month in which toxicity monitoring is required, located fthe top�of the aquatic toxicity (AT) test form indicating the county, and'the,month/year of the report with the notation of "No report shall be'submitted to the Water Sciences Section at the g a month in which toxicity monitoring is required, then monthly submission of a valid test, this monthly test requirement will revert to 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 lumts. 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 8 NPDES Permit NCO057533 A. (6.) ELECTRONIC REPORTING OF MONITORING REPORTS [G.S. 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 • Section D. (2.) • Section D. (6.) • Section E. (5.) 1. Reporting Records Retention Monitoring Reports The permittee shall report discharge monitoring data electron: Discharge Monitoring Report (eDMR) internet application. Monitoring results obtained during the electronically using eDMR. The eDM: submit DMRs electronically using the compliant with EPA's Cross -Media E: required to submit all discharge monit to complete the eDMR su6milssion by computer printed eDMR to the follow. NC DEQ / Division of Water Resoi ATTENTION: Central Files,\ 1617 Mail.Service Center Raleigh, North�Carohna 27699-161 If a(p\ermi tee is unable'to,use the e physically located in an area where temporary waiver from the NPDES monitoring data may be submitted i the Director Duplicate signed a Waiver from Elecronic Repc Regardless of the s�bmission -n issuance of the permit or in the commencement of discharge:-°' month(s) `shall allows permi t Until such time Reporting Regu I to the,state ele / Water using the NC DWR's Electronic �Pmmanzed for each inon h and submitted facilities to enter monitoring data and iat the state's eDMR application is tion (CROMERR), permittees will be ronically,using eDMR and will be required utting one signed original and a copy of the Permitting Section AR\system due to,a demonstrated hardship or due to the facility being ss than 10 percent of the households have broadband access, then a lectronic\reporting requirements may be granted and discharge paper DMR forms (MR 1, 1. 1, 2, 3) or alternative forms approved by shall be submitted to the mailing address above. See "How to Request section below. 1, the first DMR is due on the last day of the month following the of a new facility, on the last day of the month following the 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). Page 6 of 8 NPDES Permit NC0057533 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-electrome- reportmg-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 repot ing 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-resocrees/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 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 lI, Section B (11 )(b) A person, and not a positron, 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 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 22] NO OTHER STATEMENTS OF CERTIFICATION WILL BE ACCEPTED - Page 7 of 8 NPDES Permit NCO057533 "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 [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 122.411 Page 8 of 8 AS . w _ Cape Fear River 1 J 1 , J C -m.. as �� - . // - ) .. -� 4.. La L > ,e V B I g Hood Creek [flows northeast] ' Clearwell Dr. NE `~�l ' X - _ Approximate ; 1 Facility Boundary r s ce fT Outfall 001 + ? — — [flows west] �. i e , Brunswick County Northest (Hood Creek) WTP NPDES Permit NCO057533 3954 Clearwell Dr. NE, Leland 28451 Receiving Stream: Hood Creek Stream Class: C;Sw Stream Segment: 18-66 Sub -Basin #: 03-06-17 River Basin: Cape Fear HUC: 030300050406 N - 1:15,000,000 34.30220 N,-78.1133° W NC Grid: J26SE SCALE USGS Quad: Leland, NC 1:30,000 County: Brunswick