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Table 3. Rainwater Nitrate Concentration <br /> Date Nitrate (mg/L-N) <br /> 5/17/2019 0.4 <br /> 5/19/2019 0.2 <br /> 3/16/20 0.2 <br /> 5/18/20 0.4 <br /> 1/27/21, 10:00 0 (Non-detect) <br /> 1/27/21, 19:30 0 (Non-detect) <br /> 1/29/21 0.2 <br /> 2/11/21 0 (Non-detect) <br /> 2/12/21 0.1 <br /> 10/25/21 0 (Non-detect) <br /> 12/14/21 0 (Non-detect) <br /> Average 0.136 <br /> Live Oak then averaged the concentrations of the 11 samples, for a value of 0.136 mg/L- <br /> N to represent the nitrate concentration of rain. <br /> Because the San Joaquin County Environmental Health Department has requested that <br /> local and recent data be utilized wherever possible, the concentration of the Lodi <br /> rainwater been selected for use in the nitrate loading calculation. <br /> Quantity and Quality of Domestic Wastewater <br /> Mr. Barmettler indicated that the proposed house on the Site will have three bedrooms, <br /> and the proposed guest house will have one bedroom (correspondence, October 20, <br /> 2022). <br /> Crites and Tchobanoglous (1998) list a typical flow rate of 50 to 70 gallons per person per <br /> day for an individual residence. In the past, San Joaquin County Environmental Health <br /> Department has requested that the flow rate be calculated as 140 gallons per bedroom <br /> per day to reflect maximum usage. On March 4, 2020, however, Michael Kith of the San <br /> Joaquin County Environmental Health Department dictated a new procedure for <br /> calculating residential flow, developed in consultation with Norman Hantzsche (author of <br /> the 1992 paper discussed previously). He indicated that wastewater flow from a single- <br /> LOGE 2245 Page 10 <br />