Washington State Department of Ecology

Yakima Basin water supply update

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

Delivering tools for healthy water

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

Washington’s Clean Fuel Standard exceeds emissions reductions expectations for second year in a row

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 ...
agr.wa.gov

New report: Clean energy is powering reductions in Washington’s carbon emissions

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 ...
agr.wa.gov

Well report (log) viewer

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 ...
agr.wa.gov

Goldendale Energy Storage Project

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 ...
agr.wa.gov

Water Quality improvement projects

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 ...
agr.wa.gov

Overview of permitting & certifications

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 ...
agr.wa.gov

Statewide SEPA register

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 ...
agr.wa.gov

Inspecting vessels for substantial risk

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 ...
Washington State Department of Ecology

Celebrating Earth Day one drawing at a time

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

Chapter 173-201A WAC (Outstanding Resource Waters)

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 ...