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

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

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 ...

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 ...

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 ...

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

Every summer, technicians play a vital role in collecting environmental data about rivers and streams. Apply to join our crew ...

The 2021 plastics law will reduce the use of covered single-use plastics. This law aims to reduce the production of new plastic and drive the development of new markets for Washington’s recyclable ...

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 ...

The drought declared in April and expanded in June continues with no end in sight. A group of state and federal water supply experts — the Water Supply Availability Committee — says there’s not enough ...