SUMMARY OF KEY WASTEWATER MATH FORMULAS

9. Daily Hydraulic = ( Population, No. of People ) x ( 100 GPCD ) Loading, GPD a) Population, = ( Daily Hydraulic Loading, GPD ) No. of People ( 100 GPCD ) 10. GPD = ( 2nd Meter Reading - 1st Meter Reading) ( Elapsed Time, Days ) 11. Supply, Hrs = ( Storage Volume, Gallons ) ................
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