Laserfiche WebLink
Average Daily Flow Calculation <br /> Use Units Rate Subtotal Reduction Average Daily <br /> Flow <br /> Existing Residence 4.0 bed 120 480 gpd None 480 gallons per <br /> and Apt. rooms gallbrlday day <br /> Winery Staff 0 staff 13 gal/staff 52 gpd 718 0 gallor<s per-day <br /> (residents of house) <br /> Winery Customers X1':5 cult 5 gallcust 7.5 gpd None75' � gall ns-per <br /> (7 days) day° <br /> The reduction factor accounts for the short workday(hours from 90 a.m.to 5 p.m.). <br /> Weighted Average Concentration Calculation <br /> Use Average Daily Estimated Waste Weighted Average <br /> Flow Water Quality Product <br /> Residence 480 gpd 45 mg/L-N 21,600 gpd-mg/L-N <br /> Winery Staff 1,0 gpd 85 mgIL-N Ogpd-mgIL-N <br /> Winery Customers 'r7.5gpd 85 mg/L-N 9637.5 gpd-mg/L-N <br /> Totals 487.5 gpd, X22.237.5 gpd-mgIL-N <br /> Weighted Average 22,237.5 gpd-mg/L-N 1 487.5 gpd 45.dWgIL-N <br /> Concentration: <br /> Assumptions/Result for Nitrate Loading Calculation <br /> Variable Value Units Description <br /> Q X487.5 gpd Effluent flow rate <br /> Nw 145.6 mg/L-N Effluent stream concentration <br /> A 2.69 acres Site area <br /> Nb 1.00 mg/L-N Concentration of rain <br /> d 0.20 constant Denitrification factor <br /> inches per <br /> R 6.57 year Deep percolation of rain water <br /> inches per <br /> W 2.44 year Uniform waste water loading for calculation <br /> Calculation of concentration of percolating <br /> Nc [0_.60 mg/L-N effluent <br />