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 ...

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 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 ...

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 ...

We propose to approve Microsoft Data Center's East Wenatchee air quality notice of construction (NOC) application. Microsoft is proposing to expand its existing data center in East Wenatchee.

We are proposing updates to the human health criteria in Table 240 of WAC 173-201A-240, Toxic substances to incorporate existing federal human health criteria for Washington and associated footnotes ...