We issue air quality permits to data centers to limit air pollution that comes from diesel-powered backup generators. We also keep track of the combined impacts from the diesel exhaust that may come ...

The Total Maximum Daily Load (TMDL) — or water quality improvement project — process is a science-based approach to cleaning up polluted water so that it meets state water quality standards. A TMDL is ...

Ecology has announced a rulemaking to create a new rule: Chapter 173-188 WAC, Liquid Hazardous Substance Transfers. This rulemaking will establish spill prevention requirements for over-water ...

Ecology is beginning rulemaking to amend chapter 173-175 WAC, Dam Safety. This rulemaking will consider and adjust fees collected by Ecology for dam safety operations, including examination of plans ...

Tracking the health of Puget Sound doesn’t stop when we get to the bottom of the sea. The sediments below the water and the critters that live in it, known as benthic organisms, are critical ...

This vehicle is one of several which will be fitted with air monitoring equipment and Ecology branding. (Image credit: Spheros Environmental. Final branding design may differ.) The air you breathe ...

We are launching a public comment on the draft renewal of the Hanford Sitewide Permit – one of our most important tools for ensuring Hanford’s cleanup supports our mission of preserving clean land, ...

Wastewater treatment plant operators are unsung heroes. Not many people question where the water goes after they flush a toilet, but your local wastewater operator makes sure the water from our sinks, ...

June’s tiny crustacean critter doesn’t have a common name, but it does have a fascinating projection on its head, so we’re informally referring to it as the "unicorn shrimp"! Some leptostracans can ...

They did so when a mass of warm water nicknamed “the Blob” made its way to the Puget Sound in 2015. This unusually warm water gave scientists the opportunity to see what a world with warmer oceans ...

It’s no secret that Eastern Washington can get windy. Very windy, at times. And that’s not a problem… until that wind picks up loose soil and sends it aloft. Then you’ve got a dust storm, and that can ...

Summer is definitely here. It’s hot, it’s sunny, it’s the time of year you want to be outside. With all that fun in the sun, though, can come a form of air pollution we’re definitely not excited about ...