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HomeMy WebLinkAboutNC0086011_Permit (Issuance)_20170217NPDES DOCUMENT 5cANNINO COVER !SHEET NPDES Permit: NC0086011 Winston-Salem / Neilson WTP Document Type: Permit Issuance .......�,.,..- . Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Permit History Document Date: February 17, 2017 'This document is printed on reuse paper - ignore any content on the reirerse side ROY COOPER Water Resources ENVIRONMENTAL QUALITY February 17, 2017 Mr. Ron Hargrove City of Winston-Salem / Forsyth County Utilities P.O. Box 2511 Winston-Salem, NC 27102-2511 Dear Mr. Hargrove: Governor MICHAEL S. REGAN Secretary S. JAY ZIMMERMAN Director Subject: Issuance of NPDES Permit NC0086011 Neilson WTP Class PC-1 Forsyth County The Division of Water Resources (the Division) hereby issues the attached NPDES permit for the subject facility. This permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North Carolina and the U.S. Environmental Protection Agency dated October 15, 2007, or as subsequently amended. We have made the following updates to the draft permit mailed,to you: > Monitoring requirements for total hardness have been added as the facility is also monitoring hardness -dependent metals. We have also made the following updates to your previous permit with no subsequent changes from the draft permit mailed to you: > The limit for flow has been removed. > A monthly average and daily maximum turbidity limit of 50 NTU has been set, along with weekly turbidity monitoring, as the receiving stream is impaired for turbidity. ➢ The monitoring requirements for calcium, iron, magnesium, and manganese have been removed as water quality standards do not exist for these permits. ➢ The monitoring requirement for ammonia nitrogen has been removed as the facility does not use chloramines. > The monitoring frequencies for copper, zinc, and fluoride have been reduced from twice a week to quarterly to align with quarterly toxicity monitoring. > Section A. (3) has been added to require electronic submission of effluent data. Federal regulations require electronic submittal of all discharge monitoring reports (DMRs), effective December 21, 2016. ➢ Regulatory citations have been added to the permit. ➢ An updated outfall map has been included. The NC 2007-2014 Water Quality Standard (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. Further, 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 instream hardness data, upstream of the discharge, for each facility monitoring State of North Carolina 1 Environmental Quality I Water Resources 1617 Mail service Center I Raleigh, North Carolina 27699-1617 919 807 6300 these metals in order to calculate permit limitations. Effluent hardness sampling has been added to this permit at a monitoring frequency of quarterly. Upstream hardness sampling has been waived due to the zero flow conditions of the receiving stream. See Section A (2.) Effluent Limitations and Monitoring Requirements. Please note that Muddy Creek is listed as an impaired waterbody on the North Carolina 303(d) Impaired Waters List. Addressing impaired waters is a high priority with the Division, and instream data will continue to be evaluated. If there is noncompliance with permitted effluent limits and stream impairment can be attributed to your facility, then mitigative measures may be required No later than December 21, 2016, federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and specify that, if a state does not establish a system to receive such submittals, then permittees must submit DMRs electronically to the Environmental Protection Agency (EPA). The final NPDES Electronic Reporting Rule was adopted and became effective on December 21, 2015. The requirement to begin reporting discharge monitoring data electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR) internet application has been added to your final NPDES permit. [See A. (3)] For information on eDMR, registering for eDMR and obtaining an eDMR user account, please visit the following web page: http://deq.nc.gov/about/divisions/water-resources/edmr. For more information on EPA's final NPDES Electronic Reporting Rule, please visit the following web site: http://www2.epa.gov/compliance/final-national-pollutant-discharge-elimination-system-npdes- electronic-reporting-rule. If any parts, measurement frequencies, or sampling requirements contained in this permit are unacceptable, you have the right to an adjudicatory hearing, upon written request submitted within thirty (30) days after receiving this letter. Your request must take the form of a written petition conforming to Chapter 150B of North Carolina General Statutes, and you must file it with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, North Carolina 27699-6714. Unless such a demand is made, this permit shall remain final and binding. Please note that this permit is not transferable except after notice to the Division. The Division may require modification or revocation and reissuance of the permit. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Water Resources or any other Federal, State, or Local governmental permits that may be required. If you have questions, or if we can be of further service, please contact Emily Phillips at [sarah.phillips@ncdenr.gov] or call (919) 807-6479. S. Jay Zimmerman, P.G ector Division of Water Resources, NCDEQ Enclosure: NPDES Permit NC0086011 (Issuance Final) hc: Central Files NPDES Program Files WSRO Files ec: Mr. Ron Hargrove [ronh@cityofws.org] Permit NC0086011 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 Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, City of Winston-Salem / Forsyth County Utilities Commission is hereby authorized to discharge wastewater from a facility located at the Neilson WTP 2725 Frye Bridge Road Winston-Salem Forsyth County to receiving waters designated as an unnamed tributary to Muddy Creek in subbasin 03-07- 04 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 April 1, 2017. This permit and authorization to discharge shall expire at midnight on June 30, 2019. Signed this day February 17, 2017. y Zimmerman, P.G., Director ivision of Water Resources By Authority of the Environmental Management Commission Page 1 of 8 Permit NC0086011 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 included herein. City of Winston-Salem / Forsyth County Utilities Commission is hereby authorized to: 1. Continue to discharge filter backwash wastewaters from a conventional WTP with a design potable flowrate of 48.0 MGD This facility is located at the Neilson Water Treatment Plant at 2725 Frye Bridge Road near Winston-Salem in Forsyth County. 2. Discharge from said treatment works via Outfall 001, at the location specified on the attached map into an unnamed tributary to Muddy Creek [ 12-94-(0.5)] currently classified C waters in subbasin 03-07-04 [HUC: 0304010113] of the Yadkin Pee -Dee River Basin. Page 2 of 8 Permit NC0086011 PartI A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B.0400 et seq., 15A NCAC 02B.0500 et seq.] Beginning with the effective date of this permit and lasting until expiration, the Permittee is authorized to discharge treated wastewater from Outfall 001. Such discharges shall be limited and monitored' by the Permittee as specified below: .*f�aL_ •1h lt r.i`- �"'t �y ..rT i7i,:FM - _�_ 'r ,.: 6 T5. '-S i.. _l r. -.a•,Ave �.......,. •$r .-,euC # ,,';„_ —;.7...x. crv,_, _ ' - � "" - _ . . , .'-.s.x.:�h•.,i,r,5'U �� p��!w. �.i—;:F_,y ; x . kri! S'?8 q0n ......:'r,;a.-rt.�_ti*:x. hz � T c:�' i..j is tel:."•.......'S .. "�`-sr7 WeIVOlt =. ...+q.�•r: `:7.,..,: Flow 50050 Monitor & Report Continuous Recording Effluent Total Suspended Solids C0530 30.0 mg/L 45.0 mg/L Weekly Grab Effluent pH 00400 > 6.0 and < 9.0 standard units WeeklyGrab Effluent Total Residual Chlorine 2 50060 17 NglL Weekly Grab Effluent Turbidity 00070 50 NTU 50 NTU Weekly Grab Effluent Total Hardness (as CaCO3) 00900 Monitor & Report Quarterly 3 Grab Effluent Total Copper 01042 Monitor & Report Quarterly 3 Grab Effluent Fluoride 00951 Monitor & Report Quarterly 3 Grab Effluent Aluminum 01105 Monitor & Report Quarterly3 Grab Effluent Total Zinc 01092 Monitor & Report Quarterly 3 Grab Effluent Total Phosphorus C0665 Monitor & Report Quarterly Grab Effluent Total Nitrogen (NO2+NO3+TKN) C0600 Monitor & Report Quarterly Grab Effluent Whole Effluent Toxicity Monitoring') Monitor & Report Quarterly Grab Effluent Footnotes: 1. No later than December 21, 2016, the permittee shall begin submitting discharge monitoring reports electronically using the NC DWR's eDMR application system [see A. (3)]. 2. The Division shall consider all effluent TRC values reported below 50 µg/ 1 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 µg/ 1. 3. Parameters should be monitored in conjunction with toxicity test. 4. Ceriodaphnia dubia 7-day pass/fail test @ 90%. See Condition A. (2.) for toxicity testing requirements. Toxicity testing should be performed during the months of January, April, July and October, and sampling should coincide with sampling for parameters covered by footnote 2. ALL SAMPLES COLLECTED SHOULD BE FROM A. REPRESENTATIVE DISCHARGE EVENT. THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS. Page 3 of 8 Permit NC0086011 A. (2) CHRONIC TOXICITY MONITORING (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 February 1998, 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 7day pass/fail test. The tests will be performed during the months of January, April, July and October. Effluent sampling for this testing 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 TGP3B. Additionally, DWQ Form AT-1 (original) is to be sent to the following address: Attention: North Carolina Division of Water Quality Environmental Sciences Section 1621 Mail Service Center Raleigh, N.C. 27699-1621 Completed Aquatic Toxicity Test Forms shall be filed with the Environmental 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 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 Environmental 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 this monitoring requirement or tests performed by the North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit may be re -opened and modified to include alternate monitoring requirements or limits. Page 4 of 8 Permit NC0086011 If the Permittee monitors any pollutant more frequently than required by this permit, the results of such monitoring shall be included in the calculation 86 reporting of the data submitted on the DMR 86 all AT Forms submitted. 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 Permit NC0086011 A. (3) ELECTRONIC REPORTING OF MONITORING REPORTS [NCGS 143-215.1 (b)] Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and program reports and specify that, if a state does not establish a system to receive such submittals, then permittees must submit monitoring data and reports electronically to the Environmental Protection Agency (EPA). 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.) Reporting • Section D. (6.) Records Retention • Section E. (5.) Monitoring Reports 1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)1 Effective December 21, 2016, 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. Page 6 of 8 Permit NC0086011 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. 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-npde s-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, 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.nc.gov/about/divisions/water-resources/edmr 4. Signatory Requirements [Supplements Section B. Ill.) (b) and Supersedes Section B. (11.) (d)1 Page 7 of 8 Permit NC0086011 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:/ /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: "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.)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 8 of 8 City of Winston-Salem/Forsyth County Utilities Neilson WTP NPDES Permit 86011 Receiving Stream: Muddy Creek Stream Segment: 12-94-(0.5) River Basin: Yadkin -Pee Dee County: Forsyth Stream Class: C Sub -Basin #: 03-07-04 H U C: 0304010113 N A SCALE 1:24,000 Facility Location scale not shown 35.995833° ,-80.352778° USGS Quad: Welcome nrkee�i4-11 Winston-Salem Journal Advertising Affidavit P.O Box 3159 Winston-Salem, NC 27102 NCDENR/DWQ/POINT SOURCE BRANCH ATTN: WREN THEDFORD 1617 MAIL SERVICE CENTER RALEIGH, NC 27699-1617 Account Number 3376309 Date October 26, 2016 Date Category Description Ad Size Total Cost 10/26/2016 Legal Notices Public Notice North Carolina EnvironmentalManagement Comn 1 x 72 L 431.93 } KlMALEY JOHNSON NOTARY PUBLIC FORSYTH COUNTY STATE OF NORTH CARLIA MY COMMISSION EXPIRES -z 7 Publisher of the Winston-Salem Journal Forsyth County Before the undersigned, a Notary Public of Forsyth County, North Carolina, duly commissioned, qualified, and authorized by law to administer oaths, personally appeared D. H. Stanfield, who by being duly sworn deposes and says: that he is the Controller of the Winston-Salem Journal, engaged in the publishing of a newspaper known as Winston-Salem Journal, published, issued and entered as second class mail in the City of Winston-Salem, in said County and State: that he is authorized to make this affidavit and sworn statement: that the notice or other legal advertisement, a true copy of which is attached hereto, was published in the Winston-Salem Journal on the following dates: 10/26/2016 and that the said newspaper in which such notice, paper document, or legal advertisement was published was, at the time of each and every such publication, a newspaper meeting all the requirements and qualifications of Section 1-597 of the General Statutes ofNorth Carolina and was a qualified newspaper within the meaning of Section 1-597 of the General Statutes of North Carolina. This 26th day of October, 2016 (signature of person ma orn to and subscribed before me, this 26th day of October, 2016 tito My Commission expires Eisi . L4 101 6 • k (Notary ' blic) !davit) THIS IS NOT A BILL. PLEASE PAY FROM INVOICE. THANK YOU It's a Car Lot, al Estate office, ,ir and Garage Sale rolled into one! ar. Houses. Jobs. s everything from. to priceless antiques. 's what you'll find in nston-Salem Journal ,lassified pages. IT - and you'll find what you need. !TISE IN IT - and you'll vhat you don't need. e's no better way to ease, rent, hire and than using Classified! I NSTON-SALEM RNAL CLASSIFIED 27-7425, 336-727-7426 r 1-800-642-0925 -ee in North Carolina NC 27284 for the Elderly has me cannot exceed :cupants to qualify. manager, transportation to :e Hours 8:30- tial Condo/Twnhme Rent ?ly Owned Townhome rnt in quiet Lewisville nmunity, minutes m Winston-Salem ous, 2/BR, 1.5BA, End Appliances, Patio, ,r Provided. 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You are required to make a defense to such pleading not later than De- cember 5, 2016, said date being 40 days from the first publication of this notice, and upon your failure to do so, the party seeking service against you will apply to the Court for the relief sought. This the 26th day of October, 2016 David Rhodes 1417 N. Desert View Dr. Apache Junction, AZ 85120 WSJ: Oct. 26, Nov. 2, 9, 2016 PUBLIC NOTICE North Carolina Environmental Management Commission/ NPDES Unit 1617 Mail Service Center Raleigh, NC 27699-1617 Notice of Intent to Issue a NPDES Wastewater Permit The North Carolina Environmental Management Commission proposes to issue a NPDES wastewater dis- charge permit to the person(s) listed below. Written comments regarding the proposed permit will be accept- ed until 30 days after the publish date of this notice. The Director of the NC Division of Water Resources (DWR) may hold a public hearing should there be a significant degree of public interest. Please mail com- ments and/or information requests to DWR at the above address. Inter- ested persons may visit the DWR at 512 N. Salisbury Street, Raleigh, NC to review information on file. Addi- tional information on NPDES permits and this notice may be found on our website: http://deq.nc.gov/about/ divisions/water-resources/water- resources-permits/wastewater- branch/npdes-wastewater/public• notices,or by calling (919) 807-6304. The City of Winston-Salem request- ed renewal of permit NC0086011 for the Neilson WTP in rorsyth County. This permitted discharge Is treated filter -backwash wastewater to an unnamed tributary to Muddy Creek in the Yadkin -Pee Dee River Basin. Town of Jefferson applied to renew NPDES permit for the Jefferson Wa- ter Treatment Plant [NC0083470], 879 Don Walters Rd, Ashe County, discharging filter -backwash waste- water to Yadkin River, Yadkin -Pee Dee River Basin to Naked Creek, New River Basin. Town of Sparta has requested re- newal of permit NC0026913 for the Sparta WWTP/ Alleghany County; Facility discharges treated wastewa- ter to the Little River/ New River Ba- sin. Four parameters are water qual- ity limited, Haw River Nutrient Compliance As- sociation has requested issuance of a new NPDES group permit NCC000 003 to govern the discharge of total phosphorus from 5 existing waste treatment facilities in the Haw River subwatershed of Jordan Reservoir, Total phosphorus is water quality - limited. These discharges may affect future allocations in this river basin. WSJ: October 26, 2016 63 MILLION U.S. Adults like to follow trends in the job market. For six -out -of- ten the preferred information source is Classified. Classified Advertising gives you a quick view of the marketplace each day. 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PC-1 County Forsyth Permit Status Renewal Regional Office W SRO Stream Characteristics : .• Receiving Stream UT to Muddy Creek - Stream C18SsibCatioii C Stream `Segment 12-94-(0.5) Drau age basin Yadkin -Pee Dee Slimmer 7016 (cfs) 0.0 Subbasin 03-07-04 Winter, 7Q10 (cfs) 0.0 303(d) Listed Yes 30Q2 (cfs) • 0.0 USGS Topo Quad Welcome Average Flow (cfs) 0.0 IWC (%) 100% Facility Summary This facility is a conventional water treatment plant with discharge of filter backwash and sludge wastewaters with a design potable flowrate of 48.0 MGD and currently no discharge for the last permit cycle. Because the waste flow is intermittent, instantaneous flow monitoring is permitted. Monthly average FLOW (MGD) — Last 36 months Aug2013-Ju12016: None Toxicity —This permit requires Chronic Whole Effluent Toxicity (WET) testing using Ceriodaphnia dubia to be performed as 7-day pass/fail test at 90% effluent concentration, during January, April, July, and October[TGE3E]. Testing requirements for the past 4 %Z years have been waived as the facility has not discharged. Renewal Summary — • A turbidity limit of 50 NTU was added as the receiving stream is impaired and a corresponding turbidity monitioring frequency of weekly was added • Iron, calcium, magnesium, and manganese monitoring requirements were removed as there are no water quality standards for these parameters • Removed monitoring requirements for ammonia nitrogen as the facility does not currently use chloramines • Upstream and effluent monitoring requirements for hardness data were added as there is hardness dependent metals sampling for copper and zinc Fact Sheet Renewal 2016 -- NPDES Pennit NC0086011 Page 1 • Copper, zinc, and fluoride monitoring frequencies were reduced from twice per week to quarterly (in tandem with WET testing); this is in accordance with the October 2009 WTP Strategy • eDMR requirements were added • Regulatory citations were added Stream — Discharge from WTP for Outfall 001 is into an unnamed tributary to Muddy Creek [Stream Segment 12-94-(0.5)]. This segment is currently listed as impaired in the 2016 North Carolina 303(d) List. RPA — No reasonable potential analyses could be conducted for toxics of concern as there were no data for the previous 4 %z years. As such, no limits were set, however, continued monitoring is required when the facility resumes discharging. Fact Sheet Renewal 2016 -- NPDES NC0086011 Page 2 Corporon, Joe Fic_E From: Grzyb, Julie Sent: Thursday, August 07, 2014 7:39 PM To: billb@cityofws.org Cc: Corporon, Joe Subject: questions on WTPs and general permit Bill, The General Permit NCG590000 was signed and became effective on August 1, 2014! NC0086762 Swann WTP — Mailed on July 2013. I don't anticipate any issues with this one qualifying for the General Permit. It has never failed a WET test. Joe Corporon is doing this permit renewal so you will have to contact him and ask if it can be issued as a General Permit or not. I have been assigned to do the permit renewals for the two below. NC0086011 Neilson WTP — Mailed November 2013. We currently do not discharge from this permit but have improvements planned and will start in the next 2-3 years. A conventional WTP must demonstrate no potential for aquatic toxicity so unless they have performed three years of toxicity testing it will have to remain under an individual permit. NC0079821 Thomas WTP — Mailed November 2013. If you'll recall we discussed this one because it has had some issues passing WET. This is the one that I suspected the polymer was the culprit. We have been able to discontinue the use of the polymer without consequence on our effluent and since doing so we have passed all our WET tests, so there is hope that this plant is moving in the right direction. This facility has failed too many times; it will be maintained as an individual permit. Hopefully, the discontinued use of the polymer will make a difference and it can be issued as a General Permit with the renewal after this one. Julie Julie A. Grzyb, Environmental Engineer NC DENR / Division of Water Resources / Water Quality Permitting NPDES Complex Permitting, Wastewater Branch 1617 Mail Service Center, Raleigh, NC 27699-1617 919/807-6389 (wk) julie.grzyb@ncdenr.gov E-mail correspondence to and from this address may be subject to the North Carolina Public Records law and may be disclosed to third parties. 1 R.W Neilson Water Treatment Plant Water System Facility ID = TP2 Production Capacity = 48.0 MGD City of Winston-Salem NPDES # = NC0086011 48.0 MGO (Yadin River.) • 100.0 MGD Idols Raw Water Pump Station Raw Water Reservoir 15.0 MG Raw Water Reservoir 15.0 MG Chlorine ► Caustic Soda/Lime ► Alum • Chlorine Coagulation Flocculation Sedimentation Basins 20MGD Outfail 001 (Currently Inactive) 20.0 MGO 48.0 MGD Waste Pump Station (3) 4,500 GPM Pumps Filtration (3) Residuals Lagoons Caustic Soda/Lime ► Fluoride Chlorine ► Ortho-phosphate ► 4 1 48.0 MGD 1.0 MG Clearwell 4, 1.0 MG Clearwell l Filter Backwash Filter to Waste 1.15 MGD --► Lagoon Decant (2) 400 GPM Pumps 1.0 MG Clearwell Z 1.0 MG Clearwell 48.0 MGD Entry Point-EP2 �CDistribution System R.W. Neilson Water Treatment Plant Solids Handling Plan The Neilson Water Treatment Plant is a 48 MGD water treatment facility. Solids are generated by manual sludge removal from sedimentation basins, backwashing filters, and filter -to -waste after filter backwashes are completed. Solids produced from filter backwashes and filter -to -waste is routed to a waste pump station and is then pumped to the head of the water treatment process. Solids removed from the sedimentation basins are routed directly to one of three residual lagoons. Permits and Classifications: 1. The discharge from the residuals lagoons is authorized by NPDES Permit NC0086011. The classification for the discharge is Grade 1 Physical/Chemical. Operation: 1. The system consists of a waste station with (3) Fairbanks Morse single stage pumps rated at 6.48 MGD each, (2) Fairbanks Morse basin sludge pumps rated at 1.0 MGD each, (2) lagoon pumps rated at 0.65 MGD each and (3) residuals lagoons (3 lagoons at -2.0 MG). Each residuals lagoon consists of an oval earthen lagoon with clay bottom. 2. Routine inspections of equipment will be conducted by Rodney Darr, Sr. Utility Plant Supervisor, to ensure proper operation of equipment. Any equipment not functioning properly will be reported through the water division's asset management program, MAXIMO, to the appropriate support group for repair/replacement. 3. Backwash and filter -to -waste water from the plant process flows to the waste station and then is pumped by the waste station pumps to raw water reservoir #2 at the head of the plant treatment process. 4. All sedimentation basin and hopper blow downs are pumped by the basin sludge pumps directly to one of three residuals lagoons. 5. The solids stream enters on one end of each lagoon and the decant is pumped from the opposite end by the lagoon pumps to the waste station where it is returned to the head of the treatment process. 6. Residuals lagoons are rotated with one cleaned and ready for use, one in service and one drying at all times. 7. Residuals are removed from the lagoons and hauled to an application site which consists of -31 acres on Cooper Road (about 1.0 mile from the Neilson WTP) by a private contractor. Neilson Water Treatment Plant Solids Handling Plan Revised 2/22/2012 1 8. Once the sludge has dried, it is spread on the application site and a grass cover is planted to stabilize the area. Monitoring and Reporting Requirements: 1. Residuals generated by each source -generating facility must be analyzed to demonstrate that they are non -hazardous. Sampling will be conducted by Rodney Darr, Sr. Water Treatment Plant Supervisor, once per hauling event as described below. 2. An analysis is required for each residuals land application event. 3. Analyses made according to monitoring and reporting requirements must be certified for the required parameter(s). 4. Corrosivity, ignitability, reactivity, and a Toxicity Characteristics Procedure analysis are required with each residuals application event. The TCLP analysis includes the following parameters (i.e., note the regulatory level in milligrams per liter in parentheses): Arsenic (5.0) Barium (100.0) Benzene (0.5) Cadmium (1.0) Carbon tetrachloride (0.5) Chlordane (0.03) Chlorobenzene (100.0) Chloroform (6.0) Chromium (5.0) m-Cresol (200.0) o-Cresol (200.0) p-Cresol (200.0) Cresol (200.0) 2,4-D (10.0) 1,4-Dichlorobenzene (7.5) 1,2-Dichloroethane (0.5) 1,1-Dichloroethylene (0.7) 2,4-Dinintrotolulene (0.13) Endrin (0.02) Hexachlorobenzene (0.13) Heptachlor (and its hydroxide) (0.008) Hexachloro-1,3-butadiene (0.5) Hexachloroethane (3.0) Lead (5.0) Lindane (0.4) Mercury (0.2) Methoxychlor (10.0) Methyl ethyl ketone (200.0) Nitrobenzene (2.0) Pentachlorophenol (100.0) Pyridine (5.0) Selenium (1.0) Silver (5.0) Tetrachloroethylene (0.7) Toxaphene (0.5) Trichloroethylene (0.5) 2,4,5-Trichlorophenol (400.0) 2,4,6-Trichlorophenol (2.0) 2,4,5-TP (Silvex) (1.0) Vinyl chloride (0.2) 5. Analyses of the following parameters are also required with each application event: Aluminum Ammonia -Nitrogen Arsenic Cadmium Calcium Copper Lead Magnesium Mercury Molybdenum Nickel Nitrate -Nitrite Nitrogen Phosphorous Potassium pH Plant Available Nitrogen (by calculation) Selenium Sodium % Total Solids TKN Zinc 6. Data to verify pathogen reduction and vector attraction reduction of the residuals is maintained on file for five years. The required data is specific to the stabilization process utilized, and is also sufficient to demonstrate clear compliance with the Class A pathogen requirements and restrictions noted in 15A NCAC 02T .1106 (a) and (b) and vector attraction reduction requirements in 15A NCAC 02T .1107 (a). Neilson Water Treatment Plant Solids Handling Plan Revised 2/22/2012 2 7. Proper records are maintained tracking all residuals activities. These records include the source, volume, analysis, and recipient of the residuals. 8. Three copies, per application event, of all required monitoring and reporting requirements are submitted annually before March 1, to NC DENR-DWQ. Performance Standards: 1. The pollutant concentrations in any residuals that are land applied to any land application site shall not exceed the following Ceiling and Monthly Average Concentrations (i.e. dry weight basis): Parameter Monthly Average Concentration (milligrams per kilogram) Ceiling Concentration (milligrams per kilogram) Arsenic 41 75 Cadmium 39 85 Copper 1,500 4,300 Lead 300 840 Mercury 17 57 Molybdenum n/a 75 Nickel 420 420 Selenium 100 100 Zinc 2,800 7,500 2. If residuals are sold or given away, one of the Class A pathogen requirements in 15A NCAC 02T .1106(b) must be met. Aerobic digestion is used to satisfy this requirement. Application Requirements: 1. Bulk residuals are not applied under the following conditions: i. If the residuals are likely to adversely affect a threatened or endangered species. ii. If the application causes prolonged nuisance conditions. iii. If the land fails to assimilate the bulk residuals or the application causes the contravention of surface water or groundwater standards. iv. If the land is flooded, frozen, or snow-covered or is otherwise in a condition such that runoff of the residuals would occur. v. During a precipitation event or within 24 hours following a rainfall event of 0.5 inches or greater in a 24-hour period. vi. Within the 100-year flood elevation, unless the bulk residuals are injected or incorporated within a 24-hour period following the residuals application event. vii. During a precipitation event or within 24 hours following a rainfall event of 0.5 inches or greater in a 24-hour period. Neilson Water Treatment Plant Solids Handling Plan Revised 2/22/2012 3 viii. If the slope of the land is greater than 10 percent when the bulk residuals are surface applied, and if the slope of the land is greater than 18 percent when bulk residuals are injected or incorporated. ix. If pH maintained in the soil and residuals mixture is greater than 6.0. x. If the land does not have an established vegetative cover. xi. If the vertical separation of the seasonal high water table and the depth of the residuals application is less than one foot. xii. If the vertical separation of the depth to bedrock and the depth of residuals application is less than one foot. xiii. Application exceeds agronomic rates. xiv. For residuals treatment and storage facilities, the following minimum setbacks shall be adhered to: Description of Setback Minimum Setback (feet) Habitable residence or place of public assembly under separate ownership or not to be maintained as part of the project site 100 Property lines 50 Private or public water supply 100 Surface waters (streams, -intermittent and perennial, perennial water bodies, and wetlands) 50 Wells with exception to monitoring wells 100 2. When land applying bulk residuals to application site, the following minimum setbacks are maintained at all times: Setback By Type of Residual (feet) Description of Setback Liquid Cake Private or public water supply 100 100 Surface waters (streams -intermittent and perennial, perennial water bodies, and wetlands) 100 25 Surface water diversions (ephemeral streams, waterways, ditches) 25 0 Groundwater lowering ditches (where bottom of The ditch intersects SHWT) 25 0 Subsurface groundwater lowering system Wells with exception to monitoring wells 100 100 Bedrock outcrops 25 0 3. Specific bulk residuals land application area boundaries are clearly marked on each land application site prior to and during a residuals land application event. Neilson Water Treatment Plant Solids Handling Plan Revised 2/22/2012 4 Spills and Noncompliance Notification: 1. The Winston-Salem Regional Office, telephone number (336) 771-5000, will be notified within 24 hours or the next working day following the occurrence or first knowledge of the occurrence of any of the following: i. Any occurrence with the distribution program which results in the land application of significant amounts of wastes which are abnormal in quantity or characteristic. ii. Any failure of the distribution program resulting in a release of materials to receiving waters. iii. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate residual treatment. 2. Persons reporting such occurrences by telephone shall also file a written report in letter form within (5) days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. 3. Emergency Contacts: Neilson Water Treatment Plant (336) 766-9885 Rodney Darr, Plant Supervisor (336) 462-0076 (336) 972-0682 Neilson Water Treatment Plant Solids Handling Plan Revised 2/22/2012 Bill Brewer, Water Treatment Supt. (336) 399-5047 (336) 922-5061 Winston-Salem/Forsyth County (336) 727-8418 Utility Administration DEHNR Regional Office (336) 771-5000 General Emergency 911 HazMat 5