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HomeMy WebLinkAboutWQ0005849_Correction_20080122Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H_ Sullins, Director Division of Water Quality January 22, 2008 RICHARD DURHAM -- REGIONAL DIRECTOR NORTH TOPSAIL UTILITIES, INC. POST OFFICE Box 240908 CHARLOTTE, NORTH CAROLINA 28224-0908 Subject: Permit No. WQ0005849 Permit Correction North Topsail WWTF Wastewater Treatment, Irrigation and High -Rate Infiltration System Onslow County Dear Mr. Durham: In accordance with a written request received on January 22, 2008, we are forwarding herewith the corrected page 1 of Attachment A in Permit No. WQ0005849, issued August 31, 2007, for the subject facility. The following corrections have been made to the permit: The effluent limits in PPI 001 WWTF Effluent — Pre Construction (Sampling regimen prior to completion of the permitted modifications) for BOD$, Fecal Coliforrrl, Ammonia (NH3), pH and Total Suspended Solids have been removed. However, the sampling schedule remains the same. Please replace Page I of Attachment A with the corrected Page I. into Permit No. WQ0005849, issued August 31, 2007. If you have any questions regarding this request, please do not hesitate to contact Nathaniel Thornburg at (919) 715-6160. Thank you for your cooperation. cc: Onslow County Health Department Wilmington Regional Office, Aquifer Protection Section Robert G. Burgin, PE — Burgin Engineering, Inc. Technical Assistance and Certification Unit APS Central Files LAU Files NoTr hCaro ina �Vaturaly Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Telephone: (919) 733-3221 Internet: www.ncwatergualipy.Location: 2728 Capital Boulevard Raleigh, NC 27604 Fax 1: (919) 715-0588 Fax 2: (919) 715-6048 An Equal Opportunity/Affirmative Action Employer— 50% Recycledl10% Post Consumer Paper Customer Service: (877) 623-6748 ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQ0005849 Version: 2.1 PPI 001 WWTF Effluent — Pre Construction (Sampling regimen prior to completion of the permitted modifications) EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average Z Weekly Average Daily Maximum Measurement Frequency Sample Type BOD, 5-Day (20 Deg. C) — 00310 2 x month Composite Chloride (as Cl) —00940 3 x year' Composite Chlorine, Total Residual — 50060 Daily (5 x week) Grab Coliform, Fecal MF, M-FC Broth, 44.5C — 31616 2 x month Grab Flow, in Conduit or thru Treatment Plant — 50050 873,500 gpd Continuous Recording Nitrogen, Ammonia Total (as N) — 00610 2 x month Composite Nitrogen, Nitrate Total (as N) — 00620 2 x month Composite pH — 00400 Daily (5 x week) Grab Solids, Total Dissolved — 70300 3 x year Composite Solids, Total Suspended — 00530 2 x month Composite 1. 3 x year: March, July and November 2. Monthly average for Fecal Coliform shall a geometric mean WQ0005849 Version 2.1 Attachment A Page 1 of 4 PPI 002 WWTF Effluent -- Post Construction (Sampling regimen post completion of the permitted modifications) EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average n Weekly Average Daily Maximum Measurement Frequency Sample Type B01), 5-lay (20 Deg_ C) — 00310 10 mg/1 3 x week Composite Chloride (as Cl) — 00940 3 x year 1 Composite Coliform, Fecal MF, M-FC Broth, 44.5C — 31616 14 9/100 ml 3 x week Grab Flow, in Conduit or thru Treatment Plant — 50050 1,159,297 gpd Continuous Recording Nitrogen, Ammonia Total (as N) — 00610 4 nigh 3 x week Composite Nitrogen, Nitrate Total (as N) — 00620 10 mg/1 3 x week Composite Nitrogen, Total (as N) — 00600 7 mg/l 3 x week Composite pH — 00400 6-9 s.u. Daily (5 x week) Grab Phosphorus, Total (as P) — 00665 3 mg/1 3 x week Composite Solids, Total. Dissolved — 70300 3 x year I Composite Solids, Total Suspended — 00530 15 mg/l 3 x week Composite Turbidity, HCH Turbidimeter — 00076 Continuous Recording 1, 3 x year: March, July and November 2. Monthly average for Fecal Coliform shall a geometric mean WQ000584> , ersion 2.1 Attachment A x 2 of 4