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Nitrate Loading Calculations: <br /> Vanable Vafue Units Dascddion <br /> D 2800.7 gallons per day Effluent flaw rate from report <br /> N. 35.0 mglL-N Effluent stream concentration from report <br /> A 138.00 acres Site area from report <br /> Nb 1.00 mgt--N Concentration of rain water from report <br /> d 0.35 constant Denilrigcalion factor from report <br /> R 9.22 inches per year Deep percolation of rainwater from repon <br /> W 0.27 inches per year Uniform waste water loading for site calculation result <br /> Ne 1.63 mg/L-N RESULT: Lang-tem average concentration of percolating effluent <br /> Find Variable(Wi: <br /> (W) ld = (Q) g8! x -LM x 365 davlsl x 1 acre x 12 in x I site <br /> yr day 7.48 gal 1 year 43,560 ftz 1 fl (A)acre(s) <br /> 0.27 IW(effe)=2,801 gaNdayx(1 cu-1!/7.48 gels)x(365 daysr7 year)X(18cre/43,580sq-R)x(121n/1 R)x(1 site 1138 acres) <br /> Hantzsche-Fennemore Eguation(No): <br /> W+R <br /> 1.83 mgrL-N=((0.27 inlyt x 35 mg/L-N x(1-0.35))+(9.22 bw x 1mgQ-M)1(0.27fnyyr+9.22&W) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 35 mg/L-N. If different Influent concentrations mist.use weighted average <br /> 2. Fraction of nitrale-N loss due to denitrification in the soil Is 35%. <br /> 3. Estimated deep percolation of rainfall Is 9.22 inlyr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Nitrate Loading Calculation Plate No.: 12 <br /> (Full Occupancy) project No.: 1708 <br /> Empire Island Duck Club Date: March 10,2017 • <br /> LIVE OAK 11751 W.Eight Mile Rd. <br /> GEO ENVIRONMENTAL INC. Stockton,CA <br />