They're urging everyone to check their homes for things like drippy faucets or running toilets.
According to the EPA, the average American home can waste some 11,000 gallons of water every year due to running toilets, dripping faucets, and other household leaks.
And that can really add to the charges on your water bill.
To find out how you can limit water waste in your home and save money on your water bill, check out the EPA's Fix A Leak Week website.
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