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Table 3. Rainwater Nitrate Concentration <br />Date <br />Nitrate (mg/L-N) <br />5/17/2019 <br />0.4 <br />5/19/2019 <br />0.2 <br />3/16/20 <br />0.2 <br />5/18/20 <br />0.4 <br />1/27/21, 10:00 <br />0 (Non -detect) <br />1/27/21, 19:30 <br />0 (Non -detect) <br />1/29/21 <br />0.2 <br />2/11/21 <br />0 (Non -detect) <br />2/12/21 <br />0.1 <br />10/25/21 <br />0 (Non -detect) <br />Average <br />0.15 <br />Live Oak then averaged the concentrations of the ten samples, for a value of 0.15 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 />According to Mr. Navarra, the existing home at 32521 South Koster (Parcel 1) has five <br />bedrooms, and no new construction is anticipated. Mr. Navarra stated that the existing <br />home at 32705 South Koster (Parcel 3) has four bedrooms, and no new construction is <br />anticipated. <br />Parcel 2 is undeveloped, and no construction is anticipated. Based on the assumption <br />of the nitrate loading method that only septic systems should be considered for the <br />calculation, the wastewater flow from the proposed future use of Parcel 2 will be zero. <br />For the purpose of the nitrate loading analysis, however, a hypothetical five -bedroom <br />primary residence and a three-bedroom second unit dwelling are considered for this <br />parcel. These are considered so that, should the owner at some point in the future <br />decide to build on the land, nitrate loading will have been addressed. <br />LOGE 2141 Page 11 <br />