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Nitrate Loading Calculations; <br /> variable value Units Description <br /> Q 438.4 gallons per day Effluent flow rate from report <br /> Nw 37.1 mg/L-N Effluent stream concentration from report <br /> A 5.07 acres Site area from report <br /> Nb 1.00 mg1L-N Concentration of rain water from report <br /> d 0.25 constant Denitrification factor from report <br /> R 13.70 inches per year peep percoiatiofi of rain water from report <br /> W 1.18 inches per year Uniform waste water loading for site calculation result <br /> No 3.1 mg1L-N RESULT: Long-term average concentration of percolating effluent <br /> Finn!Variable(W) <br /> (VII) jc- _ (Q) QW x -1-L, x 365 day(s) x 1 acre x 72 in x 1 site <br /> yr day 7.48 gal 1 year 43,560 1112 1 ft (A)acre(s) <br /> 1.15 inlyr(site)=438 gailday x(1 cu-ff 17.48 gals)x(365 days)1 year)x(1 acre 143.560 sq-R)x(12 in l 1 ft)x(f site 15.07 acres) <br /> Hanf2sche-Fennemore Equation(Nc) <br /> N,= WN.(1-d)+RNS <br /> W+R <br /> 3.1 mg&-N=((1.95 inlyr x 37.1 mglL-N x(1-0.25)]+(73.7 inlyr x f mg/L-N)J/(1.16 inlyr+13.7 inlyr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 37.1 mg&-N. if different influent concentrations exist,use weighted average <br /> 2. Fraction of nitrate-N loss due to denitrification in the soii is 25%. <br /> 3. Estimated deep percolation of rainfall is 33.7 inlyr. <br /> 4. Background nitrate-N concentration of rainfall is 1 rnglL-N. <br /> Nitrate Loading Calculation Plate No.: 11 <br /> - Project Na; 1729 <br /> Pasltett Winery <br /> LIVE OAK 11070 E.Woodbridge Rd, pate: September 13,2Q17 <br /> GEO ENVIRONMENTAL INC, Acampo,CA <br />