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Home My WebLink AboutNC0088501_Technical Correction_20200430In (Z;gn Envelope In 9CC82DBD-OE5F-4DEC-9B46-EC4DD69C51D^ ROY COOPER Governor MICHAEL S. REGAN Secretary S. DANIEL SMITH Director Mr. Shannon V. Becker, President c/o Amanda Berger Aqua North Carolina, Inc. 202 Mackenan Court Cary, North Carolina 27511 Dear Mr. Becker: NORTH CAROLINA Environmental Quality 4/30/2020 Subject: Technical Correction NPDES Permit NCO088501 Stonington Subdivision - Well #1 Physical Chemical Not Classified WPCS Forsyth County The Division has become aware of an incorrect parameter code in your recently issued permit (January 1, 2020). The parameter code for Total Zinc should be 01092. Accordingly, we hereby forward the correction pages 3 and 4. Please discard your existing permit pages and replace with the corrected permit pages. We regret any inconvenience this causes your organization. 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 any other Federal, State, or Local governmental permit that may be required. If you have any questions concerning this permit, please contact Derek Denard at 919-707-3618 or via e-mail at [derek. denard@ncdenr. gov] . Sincerely, DocuSigned by: 83281E144CE9EMA1... S. Daniel Smith Director, Division of Water Resources cc: Central Files ec: NPDES Files [Laserfiche] Jenny Graznak Denny.graznak@ncdenr.gov] Amanda Berger [aaowens@aquaamerica.com] D EQ�� North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 1 1611 Mail Service Center I Raleigh, North Carolina 27699-1611 NoarH c �aouNa � oePanmem f Environmental Quality /� 919.707.9000 DocuSign Envelope ID: 9CC82DBD-OE5F-4DEC-9B46-EC4DD69C51DD [This page intentionally left blank] DocuSign Envelope ID: 9CC82DBD-OE5F-4DEC-9B46-EC4DD69C51DD NPDES Permit NCO088501 PART I A. (L) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 0213 .0400 et seq., 0213 .0500 et seq.] Physical Chemical Not Classified Water Pollution Control System [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 from Well #1 via Outfall 001. Such discharges shall be limited and monitored) by the Permittee as specified below: LIMITS MONITORING REQUIREMENTS PARAMETER Monthly Daily Measurement Sample Sample [PARAMETER CODE] Average Maximum Frequency Type Location Flow (mgd) 50050 Monitor & Report Weekly Estimate Effluent Total Suspended Solids (mg/1) C0530 30.0 mg/L 45.0 mg/L 2/month Grab Effluent Total Residual Chlorine 2 50060 17 µg/L 2 2/month Grab Effluent (gg/L) pH (su) 00400 0 > 6.0 and < 9. standard units 2/month Grab Effluent Turbidity (NTU) 3 00070 Monitor & Report 2/month Grab Effluent Total Zinc (µg/L) 4 01092 284.6 µg/L4 284.6 µg/L4 Monthly Grab Effluent Hardness - Total as 5 00900 Monitor & Report Quarterly Grab Effluent [CaCO3 or (Ca + Mg)] (mg/1) Total Manganese (µg/L) 01055 Monitor & Report Quarterly Grab Effluent Total Iron (µg/L) 01045 Monitor & Report Quarterly Grab Effluent Footnotes: 1. The Permittee shall submit Discharge Monitoring Reports electronically using NC DWR's eDMR application system. See Condition A. (3.). 2. The Division shall consider compliant all TRC effluent values reported below 50 µg/L. However, the Permittee shall continue to record and submit all values reported by North Carolina -certified laboratory methods (including field certified), even if these values fall below 50 µg/L. 3. Discharge from this facility shall not cause receiving -stream turbidity to exceed 50 NTU. If instream background conditions exceed 50 NTU, this discharge shall not cause instream turbidity to increase. 4. Compliance with this limit shall commence on January 31, 2025, approximately 60 months from the permit effective date. See Compliance Schedule Condition A. (2). 5. Effluent hardness sampling should be performed in conjunction with sampling for hardness dependent metals (Zinc). Condition — Samples shall be taken at the outfall but prior to mixing with receiving waters. • There shall be no discharge of floating solids or foam in other than trace amounts. Page 3 of 6 DocuSign Envelope ID: 9CC82DBD-OE5F-4DEC-9B46-EC4DD69C51DD NPDES Permit NCO088501 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 Total Zinc 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 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. Within five years from the effective date of the permit submit a report to the Division summarizing actions taken in accordance with the Corrective Action Plan. 6. Achieve compliance with Total Zinc limits specified in Section A. (1.) by January 31, 2025. 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.) ELECTRONIC REPORTING OF DISCHARGE 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.) Reporting • Section D. (6.) Records Retention • Section E. (5.) Monitoring Reports 1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)1 The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR) internet application. Monitoring results obtained during the previous month(s) shall be summarized for each month and submitted electronically using eDMR. The eDMR system allows permitted facilities to enter monitoring data and submit DMRs electronically using the internet. Until such time that the state's eDMR application is compliant with EPA's Cross -Media Electronic Reporting Regulation (CROMERR), permittees will be required to submit all discharge monitoring data to the state electronically using eDMR and will be required to complete the eDMR submission by printing, signing, and submitting one signed original and a copy of the computer printed eDMR to the following address: Page 4 of 6