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Nitrate Loading Data: <br /> Variable Value Units Description <br /> Effluent Quanity(Q): 180 gpd effluent flow rate <br /> Effluent Stream(NW): 40 mg/L-N effluent stream concentration <br /> Site Area(A): 4.54 Acres Site area <br /> Concentration Rain (Nb): 1 mg/L-N Concentration of rain <br /> Denitrification(d): 0.100 constant Denitrification Factor <br /> Deep Perc.Of Rain( R) 3 In./yr. Deep percolation of rain water <br /> Table 1-Nitrate Loading Data <br /> Waste Loading(W): 0.53 In./yr. Uniform 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 ftz X 12 in/1 ft X 1/(A)acre <br /> Nitrate Loading Calculations <br /> Nitrate loading Calculation (Nc): 6.28 mg/L-N Average Nitrate Conentration <br /> Nc=WN,,,(1-d)+RN,, Hantzche-Finnemore Equation <br /> W+r <br /> Evotranspiration Monthly Precipitation <br /> Nov-18 1.92 2.15 0.23 RECBM <br /> Dec-18 1.26 2.26 1 <br /> Jan-19 1.29 0.42 .IAN 2 4 2020 <br /> Feb-19 1.78 3.55 1.77 ENVIRONMENTAL HEALTH <br /> Mar-19 3.22 2.36 DEPARTMENT <br /> Apr-19 5.27 0.42 <br /> May-19 5.98 1.89 <br /> Jun-19 7.99 0.01 <br /> Jul-19 8.46 0 <br /> Aug-19 7.65 0 <br /> Sep-19 5.52 0.24 <br /> Oct-19 4.12 0 <br /> Sum 11.27 13.30 3 <br /> Table 2-Deep Percolation of Rain <br /> Deep Perc.Of Rain( R) 3 In./yr. Deep percolation of rainwater <br /> *Western Regional Climate Center <br /> https://wrcc.dri.edu/cgi-bin/cliMAIN.pi?ca5032 <br /> CIMIS <br /> https://cimis.water.ca.gov/App_Themes/images/etozonemap.jpg <br />