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Nitrate I'madil!ig Calculations <br />2658 S. Drais Avenue <br />Stockton, CA 95215 <br />8/27/2021 <br />Concentration Rain (Nb): <br />Analysis - <br />Lodi, California (ETO Climate zone 12) <br />Variable <br />Value <br />Units <br />Description <br />Effluent Quanity (Q): <br />6350 <br />gpd <br />effluent flow rate <br />Effluent Stream (NW): <br />45 <br />mg/L-N <br />effluent stream concentration <br />Site Area (A): <br />60 <br />Acres <br />Site area <br />Concentration Rain (Nb): <br />1 <br />mg/L-N <br />Concentration of rain <br />Denitrification(d): <br />0.150 <br />constant <br />Denitrification Factor <br />Deep Perc. Of Rain( R) <br />4.49 <br />In./yr. <br />Deep percolation of rain water <br />Table 1- Nitrate Loading Data <br />(Waste Loading (W): I 1.42 I In./yr. IUniform Waste Water Loading <br />(W) in/yr = (Q) gal/day X 1 ft3/7.48 gal X 365 day/lyear X 1 acre/43,560 ft2 X 12 in/1 ft X 1/(A) acre <br />Nitrate Loading Calculations <br />Nitrate loading Calculation (Nc): 9.97 mg/L-N jAverage Nitrate Conentration <br />Nc= WNW (1-d)+RNh Hantzche-Finnemore Equation <br />W+r <br />Dec <br />Jan <br />Feb <br />Mar <br />Apr <br />May <br />Jun <br />Jul <br />Aug <br />Sep <br />Oct <br />Nov <br />Sum <br />Water Balance -Recharge <br />Analysis - <br />Lodi, California (ETO Climate zone 12) <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />Avg. Precipitaton (In/Month) <br />Avg. Run- <br />off Volume <br />(fraction) <br />Available <br />Precip. <br />(In -Month) <br />Potential <br />ETO <br />(In/Month) <br />Actual ET <br />(In/Month) <br />Net Rainfall <br />recharge <br />(In -Month) <br />4.61 <br />0.00 <br />1.55 <br />1.19 <br />0.57 <br />0.98 <br />1.20 <br />0.00 <br />4.28 <br />1.53 <br />0.73 <br />3.55 <br />0.00 <br />0.00 <br />1.86 <br />2.36 <br />1.13 <br />0.73 <br />2.30 <br />0.00 <br />1.22 <br />3.86 <br />1.85 <br />0.00 <br />1.41 <br />0.00 <br />0.03 <br />5.81 <br />2.79 <br />0.00 <br />0.12 <br />0.00 <br />0 <br />7.78 <br />3.73 <br />0.00 <br />0.00 <br />0.00 <br />0 <br />8.17 <br />3.92 <br />0.00 <br />0.00 <br />0.00 <br />0 <br />8.26 <br />3.96 <br />0.00 <br />0.00 <br />0.00 <br />0.01 <br />6.81 <br />3.27 <br />0.00 <br />0.00 <br />0.00 <br />0 <br />4.74 <br />2.28 <br />0.00 <br />0.00 <br />0.00 <br />0 <br />3.68 <br />1.77 <br />0.00 <br />0.16 <br />0.00 <br />0.24 <br />2.09 <br />1.00 <br />-0.76 <br />9.80 <br />9.19 <br />56.28 <br />27.01 <br />4.49 <br />Table 2- Deep Percolation of Rain <br />Deep Perc. Of Rain( R) 4.49 In./yr. Deep percolation of rain water <br />