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Home My WebLink AboutWQ0005790_Correction A_20120403el` NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Charles Wakiid, P.E. Governor Director Dee Freeman Secretary April 3, 2012 SCANNED Jerry A. Walters. Town Manager Town of Oak Island l 5 DATE: 4601 East Oak Island Drive Oak Island, North Carolina 28465 Subject: Permit No. WQ0005790 Town of Oak Island Wastewater Treatment, High Rate Infiltration and Conjunctive Reclaimed Water Utilization System Brunswick County Dear Mr. Walters: We are forwarding herewith a revised Attachment A for the permit issued on March 9, 2012 to the Town of Oak Island. The corrections are as follows: • Attachment A has been revised to indicate that the monthly average limit for Total Nitrate is 10 milligrams per liter (mgl). The permit issued on March 9, 2012 inadvertently omitted the limit. • Attachment A has been revised to indicate'that the daily minimum for pH is 6 standard units (s. u.). The permit issued on March 9, 2012 inadvertently listed the limit as 6.9 s. u. Please replace the Attachment A in the permit issued March 9, 2012 with the enclosed corrected Attachment A. If you need additional information concerning this matter, please contact Alice M. Wessner at (919) 807-6425 or alice.wessner@ncdenr.gov. Sincerely, r /harielWakild, P.E. CC.' Brunswick County Health Department Wilmington Regional Office, Aquifer Protection Section G. Robert Graham, PE — George Finch/Roney and Associates, P.A., 309 N. Boylan Avenue, Raleigh, NC 27603-1402 Permit File WQ0005790 Notebook File WQ0005790 AQUIFER PROTECTION SECTION 1636 Mail Service Center, Raleigh, North Carolina 27699.1636 Location: 511 N. Salisbury Si., Ralegh, North Carolina 27604 One Phone: 9IM07.6464 4 FAX: 919-807-6496 NOt"t�l Cd] O1l 1 F7 � Internetwvuw ncwaten]ualitV.org .y ,��?�� Art Eqval Oppmunily 1 ANrmaiive Action Emplopel (/may/ ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS PPI 001— Effluent — Infiltration Pond and Reclaimed Water Utilization Permit Number: WQ0005790 Version: 1.5 EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORINGREQUIREMENTS PCS Code Parameter Description Monthly Average Monthly Geometric Mean Daily Minimum Daily Maximum Measurement Frequency Sample Type 00310 BOD, 5-Day (20 Deg. C) 10 mg/I mg/I mg/I 15 mg/I 2 x month' Composite 00530 Solids, Total Suspended 5 mg/1 mg/l mg/1 10 mg/I 2 x month' Composite 00610 Nitrogen. Ammonia Total (as N) 4 mg/I mg/1 mg/1 6 mg/1 2 x month' Composite 00620 Nitrogen, Nitrate Total (as N) 10 mg/l mg/1 mg/1 mg/l 2 x month' Composite 00625 Nitrogen, Kjeldahl, Total (as N) mg/l mg/l mg/1 mg/1 2 x month' Composite 50060 Chlorine, Total Residual mg/I mg/1 mg/1 mg/I Daily Grab 00680 Carbon, Total Organic (TOC) mg/I mg/1 mg/I mg/l 3 x yearn Grab 00940 Chloride (as Cl) mg/I mg/1 mg/1 mg/I 3 x yearn Grab 70295 Solids, Total Dissolved mg/l mg/1 mg/1 mg/I 3 x yearn Grab 00400 pl-1 S.U. S.U. 6 S.U. 9 s.u. 3 x year2 Grab 31616 Coliform, Fecal MF-FC Broth, 44.5C 14 #/100m1 #/100ml #/100ml 25 #/100ml 2 x month' Grab 00076 Turbidity, HCH Turbidimeter ntu Ntu ntu 10 ntu Continuous Recorder 1. 2 x month monitoring frequency only during the months of April through October. During the remainder of the year, these parameters shall be monitored monthly. 2. 3 x year monitoring shall be conducted during February, June and October. PPI 002 — WWTF Influent INFLUENT CHARACTERISTICS INFLUENT LIMITS MONITORING REQUIREMENTS PCS Parameter Description Monthly Average Monthly Geometric Daily Minimum Daily Maximum Measurement Sample Code Mean Frequency Type 50050 Flow, in conduit or thru treatment plant 400,000 gpd Continuous Recorder THIS PAGE BLANK J J-j - .. , ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS (continued) Permit Number: WQ0005790 Version 1.5 PPI 003 —Effluent— from Conjunctive Reclaimed Water EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS PCS Code Parameter Description Monthly Average Monthly Geometric Daily Minimum Daily Maximum Measurement Sample Mean Frequency Type 50050 Flow, in conduit or thru treatment plant 225,951 gpd Continuous Recorder PPI 004 — Effluent — Infiltration Pond EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS PCS Code Parameter Monthly Average Monthly Geometric Daily Minimum Daily Maximum Measurement Sample Description Mean Frequency Type 50050 Flow, in conduit or 180,000 gpd —]— Continuous Recorder thru treatment plant