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LOGE 1224: Heritage Oak Winery SS/NLS Addendum Page 3 <br /> November 23, 2012 <br /> Table 1. Estimate of Deep Percolation of Rainfall for Acampo, CA. <br /> Month Average Rain- Average Potential Annual Potential Deep <br /> Fall (inches) Evapotranspiration (inches) Percolation of Rain <br /> (inches) <br /> January 3.43 0.79 2.64 <br /> February 2.94 1.55 1.39 <br /> March 2.71 3.28 None <br /> April 1.30 5.17 None <br /> May 0.61 6.58 None <br /> June 0.15 7.51 None <br /> July 0.03 7.87 None <br /> August 0.04 6.85 None <br /> September 0.27 5.11 None <br /> October 0.93 3.29 None <br /> November 1.93 1.54 0.39 <br /> December 2.92 0.76 2.16 <br /> Totals 17.23 50.3 6.58 <br /> Notes: CIMIS evapotranspiration information at wwwcimis.water.ca.gov/cimis/for station 166 Lodi,CA. Rainfall <br /> average from station 045032 (Lodi,CA)at www.wrcc.dri.edu. Closest available stations to Site were selected. <br /> The nitrate concentration of rainfall was estimatedo be1 mg/L- antzsche and Finnemore, <br /> 1992). <br /> Quantity and Quality of Domestic Wastewater <br /> The estimated sewage flow rates for various uses are available from a number of references. <br /> The uses presented below were guided by the San Joaquin County On-Site Wastewater <br /> Disposal Sta=gallons <br /> ), Crites and Tchobanoglous (1998), and EPA (1980): ere ences <br /> indicate that, r each employee is typical for an office worker, arid-five (5) gal ns is <br /> typical for a ; these rates were used for the winery facility (Crites a <br /> Tchobanoglous, 1998). <br /> The estimated flow values discussed here should not be used for the design and sizing of the <br /> septic system. The design and sizing of the septic system should utilize the San Joaquin <br /> County Environmental Health On-Site Wastewater Disposal Standards which incorporate peak <br /> and surge flow factors. The estimates used in the On-Site Wastewater Disposal Standards may <br /> be greater than those discussed here. <br />