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Home My WebLink AboutNC0025496_Technical Correction_20170213ROY COOPER Governor Water Resources ENVIRONMENTAL QUALITY February 13, 2017 Mr. Stephen H. Peeler, Director of Public Works City of Lincolnton PO Box 617 Lincolnton, North Carolina 28093-0617 Dear Mr. Peeler: WILLIAM G. ROSS, JR. Acting Secreta, t S. JAY ZIMMERMAN Director Subject: Technical Correction NPDES Permit Permit NC0025496 Lincolnton WWTP Lincoln County Class IV Facility The Division of Water Resources (the Division) became aware of an error in your recently issued permit. The sample type for Bis (2-ethylhexyl) phthalate should be a grab sample, not composite. Accordingly, we hereby forward the modified permit page to amend your permit. Please insert these change pages into your existing permit and discard the old pages. 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 Teresa Rodriguez at Teresa.rodriguez@ncdenr.gov or 919-807-6387. Respectfully, .ev.Jay Z' �: director Division of Water Resources, NCDEQ Enclosure: Corrected Effluent Page Copies: NPDES Files Central Files DWR/Mooresville Regional Office / Water Quality Program Ecopy: US EPA Region 4 DWR/ Aquatic Toxicology Branch/Susan Meadows DWR/PERC State of North Carolina I Environmental Quality Water Resources 1617 Mail Service Center I Raleigh, North Carolina 27699-1617 919 807 6300 Permit No. NC0025496 Part I A. (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B .0400 et seq., 02B .0500 et seq.] During the period beginning on the effective date of the permit and lasting until expiration or until annual average flow for calendar year exceeds 3.15 MGD (i.e., 90% of permitted flow), the Permittee is authorized to discharge from outfall 001. Such discharges shall be limited and monitored' by the Permittee as specified below: EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Sample Location 1 Flow 3.5 MGD Continuous Recording Influent or Effluent BOD5 2 30.0 mg/L 45.0 mg/L Daily Composite Influent and Effluent Total Suspended Solids 2 30.0 mg/L 45.0 mg/L Daily Composite Influent and Effluent NH3 as N 12 mg/L 35 mg/L 3/Week Composite Effluent Fecal Coliform 200/100 ml 400/100 ml Daily Grab Effluent pH 3 Daily Grab Effluent Total Residual Chlorine 4 28 µg/L Daily Grab Effluent Temperature Daily Grab Effluent Conductivity Daily Grab Effluent Total Nitrogen (NO2 + NO3 + TKN) MonthlyComposite p Effluent Total Phosphorus Monthly Composite Effluent Chronic Toxicity 5 Quarterly Composite Effluent Total Silver 6 Quarterly Composite Effluent Total Antimony Quarterly Composite Effluent Total Cadmium 6 Quarterly Composite Effluent Bis (2-ethylhexyl) phthalate Quarterly Grab Effluent Hardness -Total as [CaCO3 or (Ca + Mg)] 6 (mg/L) Quarterly Composite Effluent Hardness -Total as [CaCO3 or (Ca + Mg)] 7 (mg/L) Quarterly Grab Upstream Effluent Pollutant Scan Monitor and Report Footnote 8 Footnote 8 Effluent Notes: 1. Upstream = at least 100 feet upstream from the outfall. 2. The monthly average GODS and Total Suspended Solids concentrations shall not exceed 15% of the respective influent value (85% removal). 3. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units. 4. TRC monitoring and limit requirements apply only if chlorine or a chlorine derivative is used in the treatment process. The facility shall report all effluent TRC values reported by a NC certified laboratory, including field certified. However, effluent values below 50 ug/ L will be treated as zero for compliance purposes. 5. Chronic Toxicity (Ceriodaphnia) P/F @ 6% with testing in March, June, September and December (see Special Condition A. (4)) 6. Monitoring for metals and effluent hardness shall coincide with whole effluent toxicity monitoring. 7. Instream monitoring for hardness is not provisionally waived if the Permittee is a member of a Monitoring Coalition. Page 3 of 15