King County water utilities require customers to fix detectable leaks promptly and offer high-bill leak adjustments when an undetected service-line leak causes an unusual spike in metered water use.
Utilities like Seattle Public Utilities, Cascade member agencies, and small districts under King County's purview let customers request a one-time leak adjustment for hidden underground or behind-wall leaks. Customers must repair the leak within a stated window, submit proof, and apply within the utility's claim period. Visible leaks at fixtures generally do not qualify. Public-side leaks before the meter remain the utility's responsibility and should be reported to the utility's 24-hour line.
Failure to repair a known leak after notice can lead to surcharges, mandatory shutoff, or referral to code enforcement when leaks damage right-of-way or neighboring property.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Seattle's leak reporting duty rules stack up against other locations.
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