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Y$dwE:;:? wy9ri-CALIFORNIA— GEORGE DEUKMEJIAN,Governor - <br /> rORNIA REGIONAL WATER QUALITY CONTROL BOARD- <br /> AgTRAL VALLEY REGION <br /> ,201 S STREET <br /> SACRAMENTO,CALIFORNIA 95816-7090 <br /> PHONE: (9161445-0270 <br /> 10 April 1985 <br /> Mr. C. Leland Hall , Director <br /> Environmental Health Division <br /> San Joaquin Local Health District <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> LOS RANCHOS COUNTY ESTATES, SAN JOAQUIN COUNTY <br /> We understand that San Joaquin County and the Local Health District have approved <br /> the construction of homes using septic tank/leachfield systems, in the Los Ranchos <br /> County Estates development, west of Tracy. Because of the concerns over high <br /> ground water affecting septic tank performance in the Santos Ranch area, we <br /> request that you submit the soil and ground water data for the project which is <br /> available to the District. <br /> Please include: <br /> 1 . A brief project description including the total number of homes and <br /> the total acreage being developed. <br /> 2. Soil percolation test data. <br /> 3. Data on the depth to ground water and the depth to the upper capillary <br /> fringe (if available), and the dates these measurements were taken. <br /> If there was a determination of the maximum anticipated ground water <br /> levels based upon soil mottling, historic records, or other means, <br /> please submit a copy of the report. <br /> i <br /> 4. A map of the proposed project showing the locations of soil percolation <br /> and ground water depth measurements. <br /> The above information should be submitted to this office by 22 April 1985. <br /> If you have any questions, please contact me at (916) 322-9095. <br /> KENNETH D. LANDAU <br /> Senior Engineer <br /> KDL:mlm <br />