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HomeMy WebLinkAboutNC0025984_Techinical Correction_20160308PAT MCCRORY Water Resources ENVIRONMENTAL QUALITY March 8, 2016 Mr. John Condrey, City Manager Town of Forest City POBox728 Forest City, North Carolina 28043 Governor DONALD R. VAN DER VAART Secretary S. JAY ZIMMERMAN Director Subject: Permit Footnote Correction for NC0025984 Town of Forest City WWTP Rutherford County Facility Class IV Dear Mr. Condrey: A review of the subject permit by Division personnel noted three typographical errors in Section A.(1.) Effluent Limitations and Monitoring Requirements. This permit minor modification corrects the following items and is effective on April 1, 2016: • Instream monitoring frequency for dissolved oxygen, conductivity, and temperature have been changed to "Footnote 7", which requires that instream monitoring shall be conducted 3/week during June, July, August and September and 1/week during the rest of the year. Please find the enclosed revised permit page. The revised page should be inserted into your permit. The old page may then be discarded. All other terms and conditions contained in the original permit remain unchanged and in full effect. This permit modification is issued under the requirements of North Carolina General Statutes 143-215.1 and the Memorandum of Agreements between North Carolina and the U.S. Environmental Protection Agency dated October 15, 2007 (or as subsequently amended). If any parts, measurement frequencies or sampling requirements contained in this permit are unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty (30) days following receipt of this letter. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings (6714 Mail Service Center, Raleigh, North Carolina 27699-6714). Unless such demand is made, this decision shall be 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 government permits that may be required. If you have questions concerning this permit, please contact Yang Song by e-mail (yang.song@ncdenr.gov) or phone at (919) 807-6479. State of North Carolina I Environmental Quality I Water Resources 1617 Mail service Center I Raleigh, North Carolina 27699-1617 919 707 9000 Page 2 of 2 cc: Sincerely, . Jay Zimma( xlafi`1'.G. Director, Division of Water Resources NPDES Unit Central Files DWR/Asheville Regional Office/Water Quality Program Permit NC0025984 Part I A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (4.95 MGD) [15A NCAC 02B .0400 et seq., 02B .0500 et seq.] Beginning on the effective date of the 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: PARAMETER EFFLUENT LIMITATIONS MONITORING REQUIREMENTS Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Sample Location 2 Flow 4.95 MGD Continuous Recording went or Effluent BOD5, 20°C3 25.5 mg/L 38.25 mg/L Daily Composite went, Effluent Total Suspended Solids3 30.0 mg/L 45.0 mg/L Daily Composite went, Effluent NH3 as N (April 1- October 31) 4.5 mg/L 13.5 mg/L 3/Week Composite Effluent NH3 as N (November 1- March 31) 16.3 mg/L 35.0 mg/L 3/Week Composite Effluent Dissolved Oxygen4, mg/L Daily Grab Effluent Fecal Coliform (geometric mean) 200/100 ml 400/100 ml Daily Grab Effluent pH > 6 0 and < 9.0 s.u. Daily Grab Effluent Total Residual Chlorine 5 28 µg/L Daily Grab Effluent Temperature, °C Daily Grab Effluent Total Nitrogen (NO2 + NO3 + TKN), mg/L Quarterly Composite Effluent Total Phosphorus, mg/L Quarterly Composite Effluent Chronic Toxicity 6 Quarterly Composite Effluent Total Zinc, µg/L Quarterly Composite Effluent Dissolved Oxygen, mg/L Footnote 7 Grab Upstream, Downstream Conductivity, µS/cm Footnote 7 Grab Upstream, Downstream Temperature, °C Footnote 7 Grab Downstream Effluent Pollutant Scan8 Monitor and Report Footnote 8 Footnote 8 Effluent All footnotes are listed on the following page. Part I, Page 3 of 9 Permit NC0025984` Footnotes: 1. No later than 264 days from the effective date of this permit, begin submitting discharge monitoring reports electronically using NC DWR's eDMR application system. See Special Condition A. (4). 2. Upstream: Upstream 50 feet from outfall. Downstream: Second Broad River at Low Bridge Road (Rd 1910). 3. The monthly average effluent BOD5 and total suspended solids concentrations shall not exceed 15% of their respective influent value (85% removal). 4. The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/L. 5. The Division shall consider all effluent total residual chlorine 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. 6. Chronic Toxicity (Ceriodaphnia) P/F at 18%; samples shall be collected quarterly during the months of January, April, July, and October. See condition A. (2). Toxicity monitoring shall coincide with metals monitoring. 7. Instream sampling shall be conducted 3/week during June, July, August and September and 1/week during the rest of the year. 8. The Permittee shall perform three Effluent Pollutant Scans during the term of this permit. See Special Condition A. (3). There shall be no discharge of floating solids or visible foam in other than trace amounts. Part I, Page 4 of 9