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KLEINFELDER <br /> � File No. 20-2983-03 <br /> October 26, 1990 <br /> 5. Nutrient status of surface waters in discharge <br /> areas <br /> 6. Future land use <br /> 7 . Number of pumping wells in the aquifer and <br /> volume of water pumped <br /> 8. Length of flow path to surface discharge area <br /> or downgradient users <br /> In our evaluation we also considered the fact that the existing <br /> groundwater table is approximately 50 feet below the ground <br /> surface. Leach lines are also separated from first groundwater by <br /> a very stratified profile of sand, silt, and clay. In addition, <br /> f as summarized in the referenced soil suitability studies, there <br /> have been no reports of leach field failures or high nitrate <br /> E concentrations in existing wells. Several wells in the study area <br /> are over 20 years old with relatively shallow perforations. <br /> k . This completes the scope of services requested at this time. The <br /> conclusions presented in this report are based on published <br /> information, primarily from CRWQCB, regarding nitrate loading. The <br /> technology to evaluate nitrate loading continues to change which <br /> may alter the validity of the conclusions presented in this report <br /> }. <br /> at some future time. It is also possible that variations in the <br /> soil conditions and laboratory test results used in the analysis <br /> could occur between or beyond the points of exploration or sample <br /> I collection. This report was prepared in accordance with the <br /> 1' generally accepted standard of practice which existed in San <br /> Joaquin County at the time the report was written. No warranty, <br /> expressed or implied, is made. <br /> I <br /> Copyright 1990 ICleinfelder, Inc. 8 <br />