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B E Y O N D E N G I N E E R I N G <br /> October 4;2007 <br /> MTB015600. - <br /> Rodney Estrada �(� ( � 11 <br /> Lead Senior Registered,Environmental Health Specialist v u LDJ <br /> San Joaquin County Environmental Health Department OCT - 5 2007 <br /> 600-E.Main Street <br /> Stockton,CA 95202-3029 EIJVIRONNIEf 1 HEALTH <br /> PERP,IMSERVICES <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 /> j 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 /> 1 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 anticipatedflow <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 /> WateeSup ly and Treatment <br /> L Publicwater system'permitforms should be completed for KMC and submitted to the SJCEHD for <br /> 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 /> NOLTE ASSOCIATES, INC. <br /> 1215 WEST CENTER STREET, SUITE 201 <br /> MANTECA, CA 9533]-422] 1 <br /> 209.239.9080 TEL 209.239,4166 FAX <br /> n:\mt6015600\correspondence\sjcehd Itr 100407 doc <br /> W W W.N O LT E.COM <br />�. ®nrmeem WM mxk,.M IW%0'/�mnw*e•Pee• <br />