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Walter E. Curtis <br /> Civil Engineer <br /> CE #11584 <br /> 418 Matthew Plaza <br /> Lodi, California 95240 <br /> Phone: (209) 368-4159 <br /> San Joaquin Local Health District <br /> Environmental Health Division <br /> Subject: Percolation Test (Parcel Map No. MS-88-74) <br /> Submitted for your review is the result of one percolation test per- <br /> formed on the John H. Jacobs property located at 28325 River Road, Escalon, <br /> California, in San Joaquin County. <br /> The proposed development is to separate out Parcel "A", 1.5 Acres, from <br /> a larger agricultural parcel. The test was performed in accordance with the <br /> percolation test procedures outlined in the "Manual of Septic Tank Practice", <br /> published by the U.S. Department of Health, Education and Welfare, and per <br /> requirements of the San Joaquin County Local Health District. <br /> Engineer's Certificate: <br /> On May 2 and 3, 1988, one percolation test was performed on the above <br /> referenced property under my direction in conformance with San Joaquin Ordin- <br /> ance No. 549. The approximate location of the hole is shown on the accom- <br /> panying Parcel Map. <br /> A percolation rate of 10.9 minutes per inch is the result of the test <br /> amd a minimum usable sewage disposal area of 8,000 square feet is recommended <br /> for Parcel "A". <br />