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Nitratg_Loading Calculations: <br /> Yal1741ayata units De2=Oon <br /> a 450 gallons per day Effluent flow rate from report <br /> Nw 35 mglL-N Effluent stream concentration from report <br /> A 40.49 acres Site area from report <br /> Nb 0.107 rnglL-N Concentration of rain water from report <br /> d 0.25 constant Denitrificat on factor from report <br /> R 3.56 inches per year Recharge rate of rainfall from report(evapotranspiration method) <br /> W 0.15 inches per year Uniform waste water loading forsite calculation result <br /> INC 1.2 mSIL-N R'ESU LT: Long-term average concentration of percolating effluent <br /> Find Variable CW] <br /> (W) L = (Q) U x !A3 s x 30 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 gal 4 year 43,560 ftz 1 ft (A)acre(&) <br /> 0.15 in/yr(site)=450 gai/dayx(1 cu-RI7.48 gals)x(365 daysr 1 year)x(1 acre/43,560 s")x(12 in/1 R)x(i site 140.48 acres) <br /> Hirrtzsrhe-Fennemore Equation(IJcl: <br /> IN,= WN.(I-d)+RN <br /> W+R <br /> 7.16 rng2-N={(4.15 inyr)r 35 rng&-N x(1-0,25))+{3.56 irLt r x 0.107mg,IL-N))1(0.15 irl/yr+3-56 if*r) <br /> Assumprions: <br /> 1. Total nitrogen conoentratlon of influent waste stream is 35 mglL-N. If different influent concentrabOns exist,use weighted aye rage <br /> 2. Fraction of nitrate-N loss due to denitrification in the soil is 25%. <br /> 3. Estimated deep perroiatic n of rainfall is 3.56 inlyr. <br /> 4. Background nitrate-N concentration of rainfall is 0.107 mglL-N. <br /> Nitrate Loading Calculation Plate No.: 18 <br /> (Parcel 2) Project No: 2307 <br /> Van Vliet Property <br /> LIVE OAK 17050 E.Lone Tree Rd. Date; April 26,2023 <br /> GEO ENVIRONMENTAL INC. <br /> Escalon,CA r-- I <br />