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Nitrate Loading Calculations: <br /> Variable Value Units Description <br /> Q 137.6 gallons per day Effluent flow rate from report <br /> Nw 85 mg/L-N Effluent stream concentration from report <br /> A 10.31 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.25 constant Denitrification factor from report <br /> R 12.93 inches per year Deep percolation of rain water from report <br /> W 0.2 inches per year Uniform waste water loading for site calculation result <br /> Nc 1.9 mg/L-N RESULT. Long-term average concentration of percolating effluent <br /> Find Variable(lM: <br /> (W) in = (Q) g-al x 11 W x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 gal 1 year 43,560 ftz 1 ft (A)acre(s) <br /> 0.18 in/yr(site)=138 gal/day x(1 cu-ft/7.48 gals)x(365 days/1 year)x(1 acre/43,560 sq-ft)x(12 in/1 ft)x(1 site/10.31 acres) <br /> Hantzsche-Fennemore Equation(Nc): <br /> N,= WN.,,(1-d)+RN, <br /> W+R <br /> 1.86 mg/L-N=((0.18 in/yr x 85 mg/L-N x(1-0.25))+(12.93 in/yr x 1 mg/L-N))/(0.18 in/yr+12.93 in/yr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 85 mg/L-N. If different influent concentrations exist,use weighted average <br /> 2. Fraction of nitrate-N loss due to denitrification in the soil is 25%. <br /> 3. Estimated deep percolation of rainfall is 12.93 in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Nitrate Loading Calculation Plate No.: 9 <br /> jwqp_�_ Coldani Winery&Olive Mill Project No: 1903 <br /> LIVE OAK APN 055-140-23 Date: February 1,2019 <br /> GEO ENVIRONMENTAL INC. Thornton Rd.,Lodi,CA <br />