Water supply monitoring

We rely on a variety of data sources to evaluate the state's current and future water supply. Explore some of these sources here.

An overhead photo of Rish Passage, which  is a tidal strait in Puget Sound, allowing access to Bremerton, Washington, the Puget Sound Naval Shipyard, Sinclair Inlet, and Dyes Inlet.

An overhead photo of Rish Passage, which is a tidal strait in Puget Sound, allowing access to Bremerton, Washington, the Puget Sound Naval Shipyard, Sinclair Inlet, and Dyes Inlet.