Water resources

We manage the state's water supply to meet the needs of people and the natural environment, in partnership with Washington communities. Water availability is increasingly limited in Washington.
We manage the state's water supply to meet the needs of people and the natural environment, in partnership with Washington communities. Water availability is increasingly limited in Washington.

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Water conditions east of the Cascades

Although many areas of the state are feeling the water pinch, curtailments are often a normal part of water management. Here’s what you need to know about water conditions east of the Cascades.

Looking for water right documents?

We've streamlined how we post water right documents and decisions. Our new online portal has most documents in one location for each of our four regions  

Washington’s water supply outlook
Because of a May heatwave, state watersheds lost almost half their snowpack in just 18 days. Now summer river forecasts in some watersheds predict low flows.
Washington’s water supply outlook
Snowpack is up and streamflows are down. The cold and dry conditions of early spring had some surprising impacts on Washington’s water supply outlook, but warm weather is on the way.
A collaborative approach for the Walla Walla Water 2050 initiative
Finding water supply solutions in the Walla Walla River Basin is a complex process. It takes time, resources, partnerships, and commitments to bold action. 
Washington’s water supply outlook
As we come out of winter and into spring, water supply conditions appear normal for most of the state.
Continuing the conversation for the Walla Walla Water 2050 initiative
The upcoming USGS Groundwater Study workshop will provide an overview of the study, the current state of the study and next steps.
Addressing Walla Walla's water woes
Climate change and over-allocation have taken a toll on water supplies in the Walla Walla basin. Multiple agencies are working to find water supply solutions in the area.
It’s World Wetlands Day!

Feb. 2 is World Wetlands Day, and we are celebrating the work our agency has done to support the conservation and restoration of Washington state’s wetlands.

Plans for Nooksack adjudication are underway

Plans for water rights adjudication in the Nooksack Basin have raised a lot of questions. We have answers.