What Leaks Cost You

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This chart will help you gauge how much excess water you are paying for when leaks occur.
Size of Leak
 Amount of Water Lost (Gallons)
 Total Cost
Diameter
 per day
 per year
 $1.42 / 1,000 gallons
 $1.91 / 1,000 gallons
1/16" diameter leak

1/16" or 1.6 mm
 822
 300,030
 $426
 $573
1/8" diameter leak

1/8" or 3.2 mm
 2,850
 1,040,250
 $1,477
 $1,987
1/4" diameter leak

1/4" or 6.5 mm
 11,400
 4,161,000
 $5,909
 $7,948
1/2" diameter leak


1/2" or 13 mm
 45,600
 16,644,000
 $23,634
 $31,790
Courtesy of: American Water Works Association