The Washington Applied Sustainability Internship (WASI) program offers collaborative partnerships between academic ...

On a sunny July afternoon, Gov. Jay Inslee visited Tukwila Park to learn about our Washington Conservation Corps, one of the ...

As part of our ongoing effort to reduce exposure to PFAS in consumer products, we’re conducting a new rulemaking under the ...

SepticSmart Week is an annual event that occurs the third week of September, and is a great reminder to do a check up on your on-site sewage system if you have one. Communities, national organizations ...

The Washington Department of Ecology is proposing to adopt the federal water pollution limits intended to protect human health – formally adding the existing federal limits into state rules. This ...

We invite you to comment on the draft permit for the Grays Harbor Central Transfer Station ( permit ST0006259). The facility discharges wastewater to the Aberdeen wastewater treatment system. You may ...

Comment on the study outlining cleanup options for the remaining contamination at the Unocal Edmonds cleanup site ...

We propose updates to the human health criteria in Table 240 of WAC 173-201A-240, Toxic substances, to: Replace 173 state-adopted human health criteria for 73 pollutants that the Environmental ...

The draft permit we proposed to reissue to the city of Montesano Wastewater Treatment Plant authorizes the discharge of treated domestic wastewater into the Chehalis River. You can view the documents ...

The Washington Department of Ecology issued a $120,000 penalty to Christopher Whiteman and Victoria Coury for failing to repair damage to wetlands in unincorporated Island County, about eight miles ...