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r) <br /> April 20, 2004 <br /> NOA Project Number: E04002A <br /> Page 5- <br /> The rates presented from the references provide general <br /> a match in usage. Careful examination,professional juO <br /> select a reasonable flow rate estimate. The flow rates sef <br /> facility are presented in the following table. <br /> - :Table 2. <br /> Typical Quantity of Effluent for Various S ources <br /> Category Total People' Average Quantity Average Daily Flow <br /> per Day per Person Per Parcel <br /> E <br /> Hanson Pipe, 13 13 gal/day/person 13 employee/day*130 gpd/person*517 <br /> T. <br /> full time office employeesll <br /> �9. <br /> �+ Avera e daily flow: <br /> P 1 Notes gpd is gallons per day;5/7.is a conversion for the-5-day work week <br /> The daily waste:water quantity is estimated to bj� 121,.gallons per day Waste water quality is _ = <br /> discussed within the nitrate loading'section of the re <br /> .� 4.0 GROUND WATER INFORMATION <br /> 4.1 Ground Water Depth and Gradient <br /> The San Joaquin County Flood Control and Water-Conservation District (1998 and 1999) ground <br /> F1water depth and elevation maps were r- _eviewed to determine the ground water levels near the <br /> Site. The Fall 1998 and Spring 1999 maps are the most current official-naps available from the <br /> county. According to these maps (Plates 3 through 6), groundwater lies between 95 and 105 feet <br /> below groundsurfacein the vicinity.of the-Site andflows to the east or southeast at a rate of 30 <br /> to 60 feet per mile. <br /> Fl4.2 On-Site Ground Water <br /> One well exists on the property. No records of this well were found during file review at EHD <br /> F1 an April 9, 2004. No ground water was encountered by the staff of Neil O. Anderson & <br /> Associates, Inc. during the drilling of a percolation test hole to a depth of 25 feet on April 19, <br /> 2004. <br /> FA <br />