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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 ZWJ Properties LLC for Clean Water Act Violations

Comments Due: 04/16/2021
Location: Idaho, Pacific Northwest

Proposed Permit for City of Orofino Wastewater Treatment Plant in Idaho

Comments Due: 04/19/2021
Location: Idaho, Pacific Northwest

Proposed Permit for Tulalip Tribes of Washington Wastewater Treatment Plant

Comments Due: 05/06/2021
Location: Washington, Pacific Northwest

Proposed Stormwater Permit for City of Tacoma MS4

Comments Due: 05/15/2021
Location: Washington, Pacific Northwest

Proposed Stormwater Permit for Pierce County MS4

Comments Due: 05/15/2021
Location: Washington, Pacific Northwest

Proposed Stormwater Permit for Washington Department of Transportation MS4

Comments Due: 05/15/2021
Location: Washington, Pacific Northwest