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King County Washington home

Groundwater and stormwater discharge

Information about authorization to discharge groundwater and stormwater into the King County sewer system.

Contaminated industrial stormwater

Groundwater remediation sites

Related Topics

Industrial waste

Information about the King County Industrial Waste program.

KCIW business information

Industry-specific information about wastewater discharge authorization and permits.

KCIW forms and resources

Find industrial waste forms, fee information, and other resources.