Home Water Leak Cost Calculator
Even small leaks add up fast. Enter your estimated leak rate and your water utility's cost per unit to see the real dollar impact of that drip, running toilet, or slow pipe leak.
Estimated Annual Cost of Leak
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Gallons wasted per day—
Gallons wasted per month—
Gallons wasted per year—
Estimated monthly cost—
About this calculator
Find out how much a dripping faucet, running toilet, or pipe leak is costing you per month and per year based on your local water rate.
Frequently Asked Questions
How much water does a dripping faucet actually waste?
A faucet dripping once per second can waste over 3,000 gallons per year, which is why even minor drips are worth fixing.
Where do I find my water rate?
Check your water utility bill for the cost per unit, usually listed per 1,000 gallons or per 748-gallon unit (100 cubic feet).
Does this include sewer charges?
You can enter a combined water+sewer rate if your bill charges both based on water usage, which many utilities do.