The Refrigerant Management Program is part of a suite of climate policies that work together to cut carbon pollution and ...

We’ve completed our studies of the remaining contamination at the Treoil Industries site and the options for cleaning it up, ...

We invite comments on the Wastewater Operator Certification Program Draft Fees. We are not proposing any changes to the operator certification fees for the next two years. This is based on the ...

The Washington Department of Ecology is proposing changes to many of the fees for the 6,500 water quality permits the agency issues statewide. Included in the proposal are changes intended to minimize ...

The Confederated Tribes of the Colville Reservation and the Washington Department of Ecology announced a new partnership that will reduce air pollution and improve overall health for those living on ...

The permit allows River Road Generating Plant to send (discharge) treated wastewater to Columbia River. You may view the documents for River Road Generating Plant or visit the Water Quality Permitting ...

We invite you to comment on Draft Permit No. WA0022365. The draft permit we proposed to reissue to the City of Okanogan Publicly Owned Treatment Works authroizes the discharge of treated domestic ...

We are accepting comments on the draft methods document that provides the information and process we must follow to calculate site-specific natural conditions criteria. We have revised the draft ...

Ecology is at work statewide to protect your air, water and quality of life. Learn more about our regional work.

We are accepting comments on the draft methods document that provides the information and process we must follow to calculate site-specific natural conditions criteria. The hearing will begin with a ...