Lakes, rivers, streams, and watersheds

Freshwater resources in King County.

Lakes

A small boat on Lake Washington, with a tree-lined shore in the background and Mount Rainier beyond.

Ecological profiles, water quality data, and more about the major and small lakes in King County.

Streams

A wooded stream with rocky banks and a moss-covered boulder mid-stream.

Monitoring stream water quality to help ensure continued stream health.

Watersheds

King County map of watersheds

Find water and land information and services by watershed area in King County.

Go to Watersheds

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