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Nitrate Loading Calculations RECEIVED <br /> 16696 N.Locust Tree Road <br /> lodi,ca.95240 <br /> „13,202 JAN 13 2021 <br /> Concentration Rain(Nb): VIRONMENTAL HEALTH <br /> Variable Value Units Description DEPARTMENT <br /> Effluent Quanity(Q): 200 gpd effluent flow rate <br /> Effluent Stream(NW): 45 mg/L-N effluent stream concentration <br /> Site Area(A): 38.18 Acres Site area <br /> Concentration Rain(Nb): 1 mg/L-N Concentration of rain <br /> Denitrification(d): 0.150 constant I Denitrification Factor <br /> Deep Perc.Of Rain(R) 7.55 In./yr. IDeep percolation of rain water <br /> Table 1-Nitrate Loading Data <br /> Waste Loading(W): 0.07 1 In./yr. jUniform Waste Water Loading <br /> (W)in/yr=(Q)gal/day X 1 ft3/7.48 gal X 365 day/lyear X 1 acre/43,560 ft2 X 12 in/1 ft X 1/(A)acre <br /> Nitrate Loading Calculations <br /> Nitrate loading Calculation(Nc): 1 1.34 mg/L-N Average Nitrate Conentration <br /> Nc=WN-(1-d)+RN, Hantzche-Finnemore Equation <br /> W+r <br /> Water Balance-Recharge Analysis-Lodi,California(ETD Climate zone 12) <br /> 1 2 3 4 5 6 <br /> Available Potential Actua <br /> Avg. Run- Precip. ETO I ET Net Rainfall <br /> off Volume (In- (In/Mont (In/M recharge <br /> Avg.Precipitaton(In/Month) (fraction) Month) h) onth) (In-Month) <br /> Dec 4.61 0.00 3.43 1.05 0.63 2.80 <br /> Jan 1.20 0.00 2.94 1.22 0.73 2.21 <br /> Feb 0.00 0.00 2.71 1 3.07 1.84 1 0.87 <br /> Mar 2.30 0.00 1.31 3.38 2.03 0.00 <br /> Apr 1.41 0.00 0.61 5.32 3.19 0.00 <br /> May 0.12 0.00 0.15 7.13 4.28 0.00 <br /> Jun 0.00 0.00 0.03 8.25 4.95 0.00 <br /> Jul 0.00 0.00 0.04 8.33 5.00 0.00 <br /> Aug 0.00 0.00 0.27 6.95 4.17 0.00 <br /> Sep 0.00 0.00 0.93 5.06 3.04 0.00 <br /> Oct 0.00 0.00 1.93 3.77 2.26 0.00 <br /> Nov 0.16 1 0.00 2.92 2.08 1.25 1.67 <br /> Sum 9.80 1 17.27 55.61 33.37 7.55 <br /> Table 2-Deep Percolation of Rain <br /> Deep Perc.Of Rain(R)l 7.55 In./yr. I Deep percolation of rainwater <br />