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 ...

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 ...

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 ...

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

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 ...

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 ...

Learn more about the phases and cycles. Learn more about this law. Click the image to see our Safer Products for Washington story map. Our Safer Products for Washington program works with the ...

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 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.