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About EPA

EPA Region 10 (Pacific Northwest)

Serving Alaska, Idaho, Oregon, Washington, and 271 Tribal Nations

Sawtooth Mountains, south of Stanley, Idaho.

Coronavirus (COVID-19) Information

On this page:

Key Issues

Learn more about our work in Alaska, Idaho, Oregon, and Washington.

Public Notices

Proposed Settlement with the City of Caldwell, Idaho, for Clean Water Act Violations

Comments Due: 03/04/2021
Location: Idaho, Pacific Northwest

Proposed Settlement with Oxbow Earthworks Inc. for Clean Water Act Violations

Comments Due: 03/12/2021
Location: Idaho, Pacific Northwest

Proposed Settlement with Granite Construction Company for Clean Water Act Violations

Comments Due: 03/15/2021
Location: Alaska, Pacific Northwest

Air Plan Approval for Fairbanks North Star Borough

Comments Due: 03/24/2021
Location: Alaska, Pacific Northwest

Proposed Modification to NPDES General Permit for Offshore Seafood Processors in Alaska

Comments Due: 03/31/2021
Location: Alaska, Pacific Northwest

Proposed Permit for Warm Springs Wastewater Treatment Plant in Oregon

Comments Due: 03/31/2021
Location: Oregon, Pacific Northwest

Proposed Settlement with DB Development LLC for Clean Water Act Violations

Comments Due: 03/31/2021
Location: Idaho, Pacific Northwest

Proposed Stormwater Permit for Boise-Garden City Area MS4s in Idaho

Comments Due: 04/05/2021
Location: Idaho, Pacific Northwest