Laserfiche WebLink
Nitrate Loading Calculations <br />4747 Acampo Road <br />Acampo, CA. 95220 <br />8n-/2022 <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 />45 <br />mg/L-N <br />effluent stream concentration <br />Site Area (A): <br />0.51 <br />Acres <br />Site area <br />Concentration Rain (Nb): <br />0.1 <br />mg/L-N <br />Concentration of rain <br />Denitrification(d): <br />0.200 <br />constant <br />Denitrification Factor <br />Annual Rainfall Recharge( R) <br />7.94 <br />In./yr. <br />Annual Rainfall Recharge <br />Table 1- Nitrate Loading Data <br />(Waste Loading (W): I 9.23 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 ft X 12 in/1 ft X 1/(A) acre <br />Nitrate Loading Calculations <br />Nitrate loading Calculation (Nc): 1 19.39 mg/L-N I Average Nitrate Conentration <br />Nc= WN,,, (1-d)+RN,, Hantzche-Finnemore Equation <br />W+r <br />Aug -21 <br />Sep -21 <br />Oct -21 <br />Nov -21 <br />Dec -21 <br />Jan -22 <br />Feb -22 <br />Mar -22 <br />Apr -22 <br />May -22 <br />Jun -22 <br />Jul -22 <br />Sum <br />Vater Balance -Recharge Analysis - Liden, California (ETO Climate zone 12 <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />Avg. <br />Precipitaton <br />(In/Month) <br />Avg. Run <br />off <br />Volume <br />(fraction) <br />Availabl <br />a Precip. <br />(In- <br />Month) <br />Potential <br />ETO <br />(In/Month) <br />Actual <br />ET <br />(In/Mon <br />th) <br />Net Rainfall <br />recharge <br />(In -Month) <br />0 <br />0.00 <br />0.00 <br />6.78 <br />4.33 <br />0.02 <br />0.00 <br />0.02 <br />5.54 <br />3.53 <br />5.61 <br />0.00 <br />5.61 <br />3.35 <br />2.14 <br />3.47 <br />0.46 <br />0.00 <br />0.46 <br />1.42 <br />0.91 <br />4.93 <br />0.00 <br />4.93 <br />0.72 <br />0.46 <br />4.47 <br />0.05 <br />0.00 <br />0.05 <br />1.59 <br />1.01 <br />0.03 <br />0.00 <br />0.03 <br />2.68 <br />1.71 <br />0.62 <br />0.00 <br />0.62 <br />4.09 <br />2.61 <br />2.35 <br />0.00 <br />2.35 <br />5.35 <br />3.41 <br />0.01 <br />0.00 <br />0.01 <br />7.57 <br />4.83 <br />0.05 <br />0.00 <br />0.05 <br />7.89 <br />5.03 <br />0 <br />0.00 <br />0.00 <br />8.16 <br />5.21 <br />14.13 <br />14.13 <br />55.14 <br />35.18 <br />7.94 <br />Table 2- Deep Percolation of Rain <br />Annual Rainfall Recharge( R) 7.94 In./yr. Annual Rainfall Recharge <br />