Ecology's latest grant to support electric school bus purchases can also be used to renew and update existing electric bus ...

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 ...

An Ecology-built air sensor that helps provide real-time air quality information about fine particle pollution in communities throughout our state. This week we aim to increase air quality awareness — ...

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 ...

The policy lowered carbon emissions by 3 million tons and generated over $67 million for innovation and community investments in 2024 In addition to stimulating investment in low-carbon fuel ...

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 ...

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 ...

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 ...