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PUBLIC HEIkLTH SERVICE ,OP4N <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION 3 <br /> Karen Furst, M.D., M.P.H., Health Officer cq� 9.6 itl;P <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> April 13, 1999 <br /> Dwain C.Tosch FILE C0P <br /> 1229 Goldenoak Way <br /> Stockton, CA 95209 <br /> RE: 28708 S. Bird Road,Tracy <br /> In reply to your Soil Suitability Study I have some areas of concern. <br /> 1. You list the parcel map number as MS 98-29. I believe the parcel number is APN 255-020-37 and <br /> the Minor Subdivision Application number is MS 98-29. <br /> 2. You never mention the type of soil nor the suitability of using this type of soil in septic systems, <br /> including percolation and soil profiles. <br /> 3. You state that the Nitrate level in the well is over 45 mg/l,which is the Maximum Contaminant <br /> Level, and you note "Nitrates-It is recommended that the Environmental Health Division determine <br /> the necessary corrective measures needed, if any". Then you state"Septic Systems can be installed to <br /> the density proposed and is not expected to impact groundwater nor cause other health hazards." The <br /> ground water is already impacted beyond the level recommended by the State Of California and any <br /> additional nitrate loading is not acceptable, if not mitigated by an alternative type septic system <br /> designed by a civil engineer. <br /> 4. The report lacks any information relating to the effect of the proposed septic effluent on the existing <br /> water table.It only states that there is no water for the first 10 feet. <br /> Therefore we cannot accept this soil suitability study until all of these concerns are addressed. If you <br /> have any questions regarding this matter,contact Johnny Yoakum, E.H.S. of my staff at(209)468-3147. <br /> Karen Furst M.D., M.P.H. <br /> Health Officer �g2Q p/� <br /> Mike ggins, Supervising RE•H•S., R.D.I <br /> Environmental Health Division <br /> MH.jy <br /> A Division of San Ioaquin County Health Care Services <br />