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

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

Arctic sand stars from Norway. Photo by Espen Rekdal, Artsdatabanken, CC BY 4.0 Whether you’re a George Lucas superfan or can’t tell a Wookie from a Wampa, you have to admit, Star Wars is a pop ...

We are starting the rulemaking process to amend Chapters 173-18, -20, -22, -26, and -27 under the Shoreline Management Act. Visit the rulemaking page for more information. This toolbox is designed for ...

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 ...

Some of our water quality improvement projects, including total maximum daily loads (TMDLs), are active and have webpages that are listed alphabetically (see left navigation menu). However, to find ...

We publish an online SEPA Register that includes all State Environmental Policy Act (SEPA) and National Environmental Policy Act (NEPA) documents that have been submitted to Ecology. The SEPA Register ...

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

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 ...

We adopted changes to chapter 173-201A Water Quality Standards for Surface Waters of the State of Washington. In response to nominations we received in 2021, and after considering public comments and ...

State Route 112 faces numerous climate-related threats. Photo courtesy Washington State Department of Transportation. Washington’s coastlines might be considered the canary in the coal mine for the ...

This Earth Day, we are hosting a coloring book design contest for kids across Washington. Students will learn about how to help prevent pollution and design coloring book pages with this in mind. This ...