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Nrirato_toedina Calculations: <br /> Variable Value 3!J[tF 12scn{ <br /> Q 450 gallons per,day Effluent flow rate from report <br /> Nw 35 mg/L-N Effluent stream concentration from report <br /> A 40-10 acres Site area from report <br /> Nb 0-107 mg/L-N Concentration of rain water from re pori <br /> d 0.25 constant 1)enitrificabonfac1crfro mreport <br /> R 3.56 inches per year Recharge rate of rarnfall from report(evapotranspiration method) <br /> W 0.15 in rhes per year Uniform waste water loading for site calculaton resu It <br /> Nr 1.2 mgiL-N RESU LT: Long-term average concernratbn of percolating effluent <br /> Find Variabl@W <br /> (W) i = (C1) UW x 1 ft, x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day T48 gal 1 year 43,560 ft2 1 fit (A)acre(s) <br /> o-f s rnlyr(sire)=a 50 gaf1da y x(7 W-re 17.48 gals)x(385 daysr j year}x(f acre l d3,580 sq-tt)x(12or)/I n)x(f sire I4o-t acres) <br /> Fi�sctta-FennemnLrQ_Eguatlon rlycl•• <br /> W+R <br /> 7.7 7 mg&-N=((0,15 inyr x 35 mg1L-N x(f-0-25)1+(3.58 rnyr x 0.107MWL-N))I(0-75 irr/yr+3.58 in/yr) <br /> AssUn7 tiD orfs: <br /> 1. Total nitrogen concentration of influent waste stream is 35 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 25%- <br /> 3. Estimated deep percolation of rainfall is 3.56 tntyr- <br /> 4. Background nitrate-N concentration of rainfall is 0-107 mg/L-N. <br /> a Nitrate Loading Calculation Plate No,: 17 <br /> (Parcel 1) <br /> Project No: 2307 <br /> Van Vliet Property <br /> LIVE OAK 17050 E.Lone Tree Rd. Date; April 26,2023 <br /> CEO ENVIi20NAt- ;'AL INC- Escalon,CA <br />