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f <br /> F1K L E t N F E L D ER <br /> File No. 20-2983-03 ` <br /> October 26, 1990 <br /> Ff <br /> F, <br /> 5. Nutrient status of surface waters in discharge <br /> F areas <br /> 6. Future land use <br /> i- <br /> 7 . Number of pumping wells in the aquifer and <br /> volume of water pumped <br /> F 8. Length of flow path to surface discharge area <br /> or downgradient users <br /> FIn our evaluation we also considered the fact that the existing <br /> groundwater table is approximately 50 feet below the ground <br /> Fsurface. Leach lines are also separated from first groundwater by <br /> a very stratified profile of sand, silt, and clay. In addition, <br /> as summarized in the referenced soil suitability studies, there <br /> have been no reports of leach field failures or high nitrate <br /> concentrations in existing wells. Several wells in the study area <br /> are over 20 years old with relatively shallow perforations. <br /> 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 /> k technology to evaluate nitrate loading continues to change which <br /> 1-F may alter the validity of the conclusions presented in this report <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 /> collection. This report was prepared in accordance with the <br /> generally accepted standard of practice which existed in San <br /> Joaquin County at the time the report was written. No warranty, <br /> Fexpressed or implied, is made. <br /> F <br /> �' Copyright 1990 Kleinfelder, Inc. 8 <br />