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A <br /> 00-W 17 <br /> BE YON D E N G IN E E R ING <br /> October 4;`2007 <br /> MTB015600 <br /> Rodney Estradasf� <br /> Lead Senior Registered Environmental Health Specialist L l <br /> San Joaquin County Environmental Health Department <br /> 600 E.Main Street Gt — 5 2007 <br /> Stockton,.CA 95202-3029 ENVIRONAJENT HEALTH _ <br /> PES, 1FUSER'VICES <br /> SUBJECT: KMC -Wastewater and Water Infrastructure <br /> Dear Rodney: <br /> Thank you for meeting with us on September 26 to discuss proposed wastewater and water systems for <br /> KMC.The purpose of this correspondence is to confirm our general understanding of the San Joaquin <br /> County Environmental Health Department(SJCEHD) response to preliminary wastewater and water <br /> systems information submitted on September 24. This understanding is based on comments provided by <br /> SJCEHD staff during the,meeting and subsequent follow-up conversations. <br /> Wastewater Treatment and Dispersal <br /> 1. A separate denitrification step must be added to the proposed wastewater treatment process. Specific <br /> treatment units that may be acceptable to add for denitrification include recirculating sand filters and <br /> Nitrex reactive media filters. <br /> 2. Attempting to obtain permits for wastewater infrastructure in 5,000-gpd increments as development <br /> progresses will not simplify the permitting process. SJCEHD staff and Central Valley Regional <br /> Water Quality Control Board staff will collaborate regardless of phasing. Preparation of permit <br /> application documents for infrastructure capable of treating and dispersing the full anticipated flow <br /> (Phase 1 and Phase 2 of development, combined) is recommended. <br /> 3. Monitoring of the following effluent quality parameters will be required:total nitrogen;nitrate, <br /> nitrite, ammonia,total Kjeldahl nitrogen, biochemical oxygen demand, total suspended solids,pH, <br /> and chemical oxygen demand. For each parameter, sampling and analysis will initially be required <br /> every two months.After one year, SJCEHD staff,may reduce the required frequency. <br /> i <br /> j Water Supplyand Treatment <br /> 1. Pubhc water system permiTforms should be completed for KMC and submitted to the SJCEHD for <br /> j review and.consideration. The following forms were provided: 1)Masterfile Record Information <br /> Form—Public Water System, 2) Service Request, 3) State of California Application for Domestic <br /> Water Supply Permit, and 4) Masterfile Record Information Form—Owner and Facility. <br /> I <br /> B <br /> NOLTE ASSOCIATES, INC. <br /> 1215 WEST CENTER STREET, SUITE 201 <br /> MANTECA, CA 95337-4227 <br /> WWW.NOLT E.COM 9.9080 TEL 209.239.4166 FAX <br /> WWW. n:\m[b015600\corTespondemc\Sjcehd1lr 100407.doc <br />�'. ®AlmNmpMnmeLe,rM IW'%Mmwmn6M, <br />