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Nitrate Loading Calculations: <br /> Variable value units Descdobon <br /> D 5871.8 gallons per day Effluent flow rate from report <br /> Nw 81.4 mg/L-N Effluent stream concentration from report <br /> A 137.80 acres She area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.20 constant Denitrification factor from report <br /> R 8.26 inches per year Deep percolation of rainwater from report <br /> W 0.57 inches per year Uniform waste water loading for site calwlation result <br /> Nc 5.18 mg/L-N RESULT. Long-term average concentration of percolating effluent <br /> Find Variable W <br /> (W) jd = (0) g6( x 1S3 x 365 day(s) x 1fie x 12jM x 1site <br /> yr day 7.48 gal 1 year 43,560 ft' 1 ft (A)acre(s) <br /> 0.57 in/yr(site)=5,872 gaildayx(i cu-it/7.48 gals)x(365 days/1 year)x(1 acre/43,560 sq-R)x(12 in/1 R)x(1 site/137.8 acres) <br /> Hantzsche-Fennemore Equation(Nc): <br /> Nv= WIN (1-d)+RN. <br /> W+R <br /> 5.16 mglL-N=((0 57 i"r x 81.4 mg,L-N x(1-0.2))+(8.26 intyr x lmg/L-N))/(0.57 in/yr+8.26 irVyr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 81.4 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 20%. <br /> 3. Estimated deep percolation of rainfall is 8.26 in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Plate No.: 1 <br /> Nitrate Loading Calculation <br /> 4w&-- <br /> Project No: 1714 <br /> Delicato Family Vineyards <br /> LIVE OAK 12001 &12165 S.HWY.99 W.Frontage Rd. Date:July 18,2017 <br /> GEO ENVIRONMENTAL INC. Manteca,CA <br />