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Table 2 <br /> Nitrogen Loading Summary(Low Estimate) <br /> Water Use 15 gal/cap.-day <br /> Total Site Area WKA NO. Ul 10.95 acres <br /> Approximate Impervious Area 3 acres <br /> Pervious Area 7.95 acres <br /> Annual Average Rainfall 14.06 in <br /> Total Nitrogen (Domestic Wastewater) 20-70 mg/L <br /> Total Nitrogen(Storm Water Runoff) 0.91 - 1.91 mg/L <br /> East Septic System Nitrogen Loading(high estimate) <br /> Number of Employees 4 <br /> Septic Tank Size 1200 gallons <br /> Leach Field Area 900 ft2 <br /> Total Water Use 60 gal/day <br /> Annual Septic Tank Leachate Infiltrated 21900 gal/year <br /> Total Nitrogen (Domestic Wastewater) (nj 20 mg/L <br /> Annual Nitrogen Loading I 3.65 Ib/year <br /> South Septic System Nitrogen Loading(high estimate) <br /> Number of Employees 3 <br /> Septic Tank Size 1200 gallons <br /> Leach Field Area 900 ft2 <br /> Total Water Use 45 gal/day <br /> Annual Septic Tank Leachate Infiltrated 16425 gal/year <br /> Total Nitrogen (Domestic Wastewater) (nj 20 mg/L <br /> Annual Nitrogen Loading 2.74 Ib/year <br /> Recharge and Nitrogen Loading from Rainfall <br /> Annual Site Rainfall 153.96 in-acre/year <br /> Runoff Coefficient* 0 <br /> Annual Rainfall Infiltrated 153.957 in-acre/year <br /> Annual Rainfall Infiltrated 4180302 gal/year <br /> Total Nitrogen (Storm Water Runoff) (nb) 1.91 mg/L <br /> Annual Nitrogen Loading 66.54 Ib/year <br /> Estimated Nitrogen Concentration <br /> Volume Rate of Wastewater(1) 0.177532 in/year <br /> Average Recharge Rate of Rainfall (R) 19.36566 in/year <br /> Total Nitrogen (Domestic Wastewater) (nj 20 mg/L <br /> Total Nitrogen (Storm Water Runoff) (nb) 1.91 mg/L <br /> Nitrogen Concentration 2.07 mg/L <br /> *Assumed no runoff losses <br />