Washington

    Regulatory overview for Washington water utilities.

    Drinking Water Utilities

    1,016

    Wastewater Utilities

    82

    Key Compliance Drivers

    Stormwater; PFAS; salmon protection

    Vendor Implications

    Environmental priorities heavily influence approvals.

    Drinking Water Primacy Agency

    Washington Department of Health

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    Wastewater / NPDES Agency

    Washington Department of Ecology

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    SRF / Funding Authority

    Washington SRF

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    Public Utility Commission

    Washington Utilities and Transportation Commission

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    Ecology controls permits.

    Municipal Oversight

    Local governance structure varies by utility type.

    Available Funding Programs

    • SRF Programs
    • State Infrastructure Funding