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15780 N Clements <br />Lodi, CA. 95240 <br />7/6/2022 <br />Nitrate Loading Calculations <br />Parcell <br />Concentration Rain (Nb): <br />1 <br />2 <br />3 <br />Variable <br />Value <br />Units <br />Description <br />Effluent Quanity (Q): <br />350 <br />gpd <br />effluent flow rate* <br />Effluent Stream (N,„): <br />35 <br />mg/L-N <br />effluent stream concentration <br />Site Area (A): <br />70 <br />Acres <br />Site area <br />Concentration Rain (Nb): <br />1 <br />mg/L-N <br />Concentration of rain <br />Denitrification(d): <br />0.300 <br />constant <br />Denitrification Factor <br />Deep Perc. Of Rain( R) <br />7.86 <br />In./yr. <br />I Deep percolation of rain water <br />Table 1- Nitrate Loading Data <br />(Waste Loading (W): I 0.07 I In./yr. (Uniform 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 />* = Flowrate determined based on a 3 bedroom single family residenace. <br />100 gpd for the primary bedroom and 50 gpd for secondary bedrooms <br />Nitrate Loading Calculations <br />Nitrate loading Calculation (Nc): 1.20 mg/L-N jAverage Nitrate Conentration <br />Nc= WN,,, (1-d)+RNh <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 />Hantzche-Finnemore Equation <br />Water Balance -Recharge Analysis - 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 />3.4 <br />0.00 <br />4.93 <br />0.72 <br />0.48 <br />4.45 <br />3.51 <br />0.00 <br />0.05 <br />1.59 <br />1.05 <br />0.00 <br />3.67 <br />0.00 <br />0.03 <br />2.68 <br />1.77 <br />0.00 <br />0.62 <br />0.00 <br />0.62 <br />4.09 <br />2.70 <br />0.00 <br />0.03 <br />0.00 <br />0.03 <br />5.81 <br />3.84 <br />0.00 <br />0 <br />0.00 <br />0 <br />7.78 <br />5.14 <br />0.00 <br />0 <br />0.00 <br />0 <br />8.17 <br />5.40 <br />0.00 <br />0 <br />0.00 <br />0 <br />8.35 <br />5.52 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />6.78 <br />4.48 <br />0.00 <br />0.02 <br />0.00 <br />0.02 <br />5.54 <br />3.66 <br />0.00 <br />5.62 <br />0.00 <br />5.62 <br />3.35 <br />2.21 <br />3.41 <br />0.46 <br />0.00 <br />0.46 <br />1.42 <br />0.94 <br />0.00 <br />17.33 <br />11.76 <br />56.28 <br />37.20 <br />7.86 <br />I apse Z- veep Percolation of Rain <br />Deep Perc. Of Rain( R) 7.86 In./yr. Deep percolation of rain water <br />