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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Bi-state partnership boosts understanding of Walla Walla River basin
Ecology is working with Oregon Water Resources and USGS on a comprehensive study of groundwater in the Walla Walla River Basin. This solid science will help inform future policy in the region.
La Niña winter final roundup

Continued cold, snowy weather during late winter brought the good news we needed for this summer’s water supply

Eye on (Water) Supply
Update on Ecology's “pass-through” grants to state agencies as part of our drought relief efforts.
Plans for Nooksack adjudication are underway

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

What a difference a year makes
“All in all, water conditions are looking pretty good around the state,” said Jeff Marti, Ecology’s water resources planner
Questions about Nooksack adjudication?
Ecology will host the first in a series of live online events to answer questions about adjudication.
​​​Innovative conservation efforts save 50% more water at Auvil Fruit Company​

Through a partnership with Auvil Fruit Company, Ecology completed an innovative conservation and water banking project that has saved 50% more water at a Vantage orchard.

Counting every drop in the Yakima Basin
A main goal of the water conservation element of the Yakima Integrated Plan is to modernize agricultural water systems to reduce waste from leaks, seepage, and inefficient delivery methods.
Water curtailments for the Chehalis River basin

This is the fifth consecutive year we've issued curtailment orders or notices for junior surface water irrigation uses in the Chehalis basin to comply with regulatory requirements. 

Watch your step: there’s not always solid ground beneath you
It's nice to be outside in this lovely fall weather, unless the ground gives out from under you and you find yourself looking up at those blue skies from the bottom of an abandoned water well.