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PUBLIC HEALTH SERVICES <br /> o� <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 <tcoaa <br /> (209) 468-3420 <br /> June 15, 1994 <br /> San Joaquin County <br /> Community Development �� <br /> Attn: Kerry Sullivan <br /> SA - 93-42 <br /> 200 E. Madruga Road, Lathrop <br /> The Environmental Health Division has reviewed the Hydrologic Study for the <br /> percolation ponds for the Kearney Ventures Development. This department cannot <br /> support this site because of the following concerns. <br /> a. With the flood of 1983 the river level at +24ft. and the proposed pond parcel <br /> at + 13 elevation it was observed by this department that this parcel had many <br /> boil spots of water being hydrological supplied from the river thus flooding this <br /> parcel. <br /> b. Taking into consideration the location of Oakwood Lake and the volume of <br /> water that is pumped to the San Joaquin River to maintain a minus 14' level <br /> to allow for Oakwood Lake, Inc. to maintain their business. This Department <br /> believes that the percolation from these ponds would be drawn into the lake <br /> aquifer thus water quality would be impacted at this time. <br /> C. The proxmity of these percolation ponds to the San Joaquin River has the <br /> potential of exposing multpile population of people to sewage contamination <br /> from levee failure as demonstrated historically in Santa Rosa and Guerneville, <br /> California. <br /> A Division of San.Ioaquin County Health Care Services <br />