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Nitrate Mass Balance Calculation <br /> Whitlow Property (APN 063-044-23) <br /> 11065 N. Alpine Road, Stockton, California <br /> Data Input: <br /> Efflueni Q uantf ty(Q):5W gabiday <br /> Effluent Stream(N,,,): 45.00 mg+t.{y <br /> SIle Area(A): IMAcres <br /> Concentration Rein(Nb): f.00m9l1--N <br /> Denitrification(d): A,O% <br /> Deep Perc.of Rain(R): 4.49,kA& <br /> Result; <br /> M ass Ba la nce(Nj: M9mUIL-N <br /> MC Drinking W ater Nitrate as N: 10.4rr)g2-N <br /> Percent of MCL Nllrate as N 1599E <br /> Waste Loading(W): 5.02fruyr <br /> Equations: <br /> Find W <br /> (W) in- = (o) qjJ x 1ft" x 365 day x 1 acre x 12JrL x 1 <br /> yr day 7.48 gal 1 year 43.560 ft' 1 11 (A)acre <br /> 5.02 illy+r(slfo) =560 gal(day x 11 cu-ff!7.48 gals)x(365 days!1 year)x(1 acre 143,560 sq-fi')x(12 in!1 ff)x(1 sifa!1.5 acres) <br /> N,= WNW 0-d}+RN¢ <br /> W+R HantzsOw-Fennemwe EMOon INct <br /> 15.91 rrrgrL-M=f(5.02 utlyr x 45 rtxyt-N x(1.0.35))+(4.49 M6Y x InN l&-N))1(5.02 lnlyr+4.49 krlyr) <br /> Variables: <br /> Nc z Average nitrate-N Concentration(me)of combined effluenl and rainfall percolate(15.91 mgtL-N). <br /> W=UnHorm waste water loading for study area(inhp)(5.02 Incheslyear) <br /> Nw=Total nitrate-N concentration of waste water percolate(45 mglL-N) <br /> d=Fraction of nitrate-N lass due to denitrifiication in the soil(35%)- <br /> R=Unlfwm deep percolation of rainfalt(4 49 inlyr) <br /> Nb=Background nitrate-N concanlralion of rainfall(1 mglL-N). <br /> Assumptims- <br /> 1. Total nitrogen concentration of waste stream based on estimate of 45 mg1L-N. <br /> 2. Fraction of nitrate-N loss due to denitrificalion In the sdl is assumed to be 35%. <br /> 3- Estimated deep percolation of rainfall 1s 4.49 fnfyr,see deep(percolation of rain worksheel <br /> 4. Assume background nitrale-N concentration of rainfall is 1 mg1L-N. <br /> Irerracon <br />