On April 8, we declared a statewide drought emergency, the fourth in a row for the Yakima Basin. Here are the water supply ...

We’re excited to announce the winners for our Solution to the Pollution Earth Day coloring book design contest! Students in ...

It includes things like rain washing bacteria from animal waste or chemicals off land into rivers, or losing shade trees next ...

Coho salmon returning to rivers and streams often die before they can spawn. Photo by Roger Tabor, US Fish and Wildlife For over 20 years, scientists faced a toxic mystery: coho salmon returning to ...

More clean energy and less coal power: That’s the recipe for a drop in Washington’s greenhouse gas emissions detailed in a new Washington Department of Ecology report. Despite population and economic ...

Project site map. Click to enlarge. Free Flow Power Project 101, LLC (FFP Project) proposes to build an off-channel energy storage system next to the Columbia River in Goldendale. The system would ...

The Washington state well report (log) viewer, our most popular online resource, allows you to search for and view detailed records of the construction and subsurface characteristics of individual ...

We are responsible for protecting, preserving, and enhancing Washington’s environment. Permits and certifications ensure that individuals and businesses understand and comply with all applicable ...

Nitrate contamination of groundwater is a growing concern in several areas of the state, because contaminated drinking water can cause serious health risks. We compiled data from many sources to ...

We work hard every day to achieve our legislative goal of “zero spills.” Our vessel inspectors are professional mariners with extensive experience in ship operations and regulatory requirements. They ...

We plan to hold public meetings to provide information about the rulemaking and seek your input. We'll update this page with meeting specifics. To get updates about these meetings and this rulemaking, ...

There have been recent news stories about a supposed slump in the transition to zero-emission transportation—that growth in electric vehicle (EV) sales has leveled off and manufacturers are scaling ...