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PUBLIC HEALTH SERVICES ,,.UIN <br /> SAN JOAQUIN COUNTY <br /> a �1 <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 clkoaN <br /> 209/468-3420 <br /> September 26, 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 /> The San Joaquin County Flood Control records indicate that the San <br /> Joaquin River reached a level of plus 24 feet in 1983 . The <br /> proposed ponds, which are projected to be located adjacent to the <br /> levee, are designed to have an elevation of plus 13 feet. <br /> Environmental Health Division staff working in the area in 1983 <br /> observed many water boils hydrological supplied by the river <br /> resulting in flooding of the proposed project site. <br /> �j Oakwood Lake Inc. , located South of the project site, currently <br /> pumps water to the San Joaquin River to maintain a minus 14 feet <br /> lake level to facilitate their sand removal and recreation <br /> operations. This Division believeSthat the percolation from the <br /> proposed ponds would be drawn into the lake aquifer thus impacting <br /> water quality. <br /> C. The proximity of these percolation ponds to the San Joaquin River has the <br /> potential exposing multiple population of people to sewage contamination <br /> vee <br /> Cafailure as demonstrated historically in Santa Rosa and Guerneville, <br /> lifornia. <br /> 1w" 9w-Al <br /> A Division of San Joaquin County Health Care Services <br />