We're proposing the changes to the 2025 draft Zostera japonica permit that is used to control this noxious weed on clam beds ...

We've issued the final water quality permit for Everett's Water Pollution Control Facility, which will go in effect on Jan. 1, 2025.

Our interactive data dashboard helps organize information about residential wastewater and stormwater costs to prioritize ...

For almost 100 years, the Asarco Company operated a copper smelter in Tacoma. Air pollution from the smelter settled on the surface soil of more than 1,000 square miles of the Puget Sound basin.

We propose to approve Storm Seeds' air quality notice of construction (NOC) application. We will hold a public comment period if one is requested. Storm Seeds submitted a notice of construction ...

Washington’s Climate Commitment Act marked a major milestone in November when businesses covered under the law were required to turn in emissions allowances for the first time. The compliance deadline ...

Comment on cleanup documents describing Ecology's plan for the Eatonville Landfill cleanup site. This site is ready for the next stage of cleanup. The Town of Eatonville leased the land from the ...

Southern Resident killer whales, or orcas, are a beloved icon of the Pacific Northwest. We served on Governor Jay Inslee's Southern Resident Killer Whale Recovery Task Force, which developed proposals ...

Read the most recent newsletter. Proper underground storage tank (UST) operation & maintenance can help prevent leaks, which protects the environment and the value of your property. Operators must be ...