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King County Watersheds Map

Click on the map below to find information about specific watersheds including news, reports, data, activities, grants, and stewardship organizations. For info spanning multiple watersheds, see King County's Watershed Information page.

King County Watersheds Map - Click your Watershed

A watershed in King County is the land area draining to a nearby river or lake, or directly into Puget Sound.

King County Rivers and Watersheds by Name

» Countywide Watershed Information

City of Seattle Watersheds

    Seattle Urban Creek Restoration
    Seattle Public Utilities is restoring portions of Seattle's four largest creeks to improve drainage; prevent erosion and flooding; restore habitat and improve community open spaces and trails.

    Seattle Watersheds (Drinking Water)
    Information about Seattle's Tolt River and Cedar River watersheds, where Seattle and much of King County gets its drinking water.

City of Bellevue

Storm and Surface Water
City of Bellevue introduces its "stream team", provides information about lakes, streams and wetlands, provides help to prevent floods and water pollution, provides floodplain information and offers volunteer opportunities..


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The details.

White River WatershedGreen River WatershedSnoqualmie - Skykomish River WatershedSammamish WatershedCedar River - Lake Washington WatershedCentral Puget Sound Watershed Vashon-Maury Island, Central Puget Sound Watershed