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STATE OF CALIFORNIA—HEAITH AND WELFARE AGENCY '---, /. - - GEORGE DEUKMEIIAN, Go"'nO' <br /> DEPARTMENT OF HEALTH SERVICES r <br /> 31 E CHANNFI STREET. ROOM 270 AUG <T _4 <br /> STOCKTON, CR 95202 v k� IT 2 1985 1} •: <br /> (2091 948-7697 <br /> ENVIRUMENTAL HEALTH <br /> FERMIT/SERVIftust 20, 1985 <br /> Kenneth D. landau (J <br /> Central Valley Regional <br /> Water Quality Control Board <br /> State of California <br /> 3201 "S" Street <br /> Sacramento, California 95816-7090 <br /> Saddle City Development, San Joaquin County <br /> In response to your request for comment on the treatment and disposal system <br /> proposed for use at the Saddle City Development in San Joaquin County: <br /> The proposed treatment system has been used successfully at other locations <br /> as well as Toyon School; however, the final disposal used has generally been <br /> evaporation-percolation ponds or spray disposal from a holding pond. A holding <br /> pond, prior to discharge to the leaching fields, is advisable to remove the <br /> settleable matter prior to discharge to the leaching lines. Otherwise this <br /> material could shorten the life of the leach lines. 1he pulse discharge to <br /> the leaching system should be helpful to prolong the life of the system. <br /> Our recommendation is that a stilling basin or holding pond of adequate size <br /> be incorporated as part of the system prior to discharge to the le7h field. <br /> Robert W. Grimshaw <br /> District Engineer _ <br /> Sanitary Engineering Branch <br /> HRV/RWG: dll <br /> cc: San Joaquin Local Health District <br />