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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 Permit for Taholah Village Wastewater Treatment Plant in Washington

Comments Due: 06/09/2021
Location: Washington, Pacific Northwest

Water Quality Certification of Yakima Nation Starvation Flats Meadow Restoration Phase II Project

Comments Due: 06/09/2021
Location: Washington, Pacific Northwest

Proposed Settlement with Fought & Company, Inc. for Clean Water Act Violations

Comments Due: 06/10/2021
Location: Oregon, Pacific Northwest

Proposed Settlement with Barber Valley Development for Clean Water Act Violations

Comments Due: 06/11/2021
Location: Idaho, Pacific Northwest

Proposed Stormwater Permit Modification for City of Nampa MS4 in Idaho

Comments Due: 06/16/2021
Location: Idaho, Pacific Northwest

Proposed Stormwater Permit Modification for Ada County Highway District MS4 in Idaho

Comments Due: 06/18/2021
Location: Idaho, Pacific Northwest

Closure of Leaking Underground Storage Tank at Former Smitty's Conoco Facility in Washington

Comments Due: 06/21/2021
Location: Washington, Pacific Northwest

Proposed Stormwater Permit Modification for Idaho Transportation Department District #2

Comments Due: 06/23/2021
Location: Idaho, Pacific Northwest

Proposed Stormwater Permit for City of Tacoma MS4

Comments Due: 06/29/2021
Location: Washington, Pacific Northwest

Proposed Stormwater Permit for Pierce County MS4

Comments Due: 06/29/2021
Location: Washington, Pacific Northwest

Proposed Stormwater Permit for Washington Department of Transportation MS4

Comments Due: 06/29/2021
Location: Washington, Pacific Northwest

Reissuance of Approval to Transformer Technologies LLC for Commercial PCB Storage in Oregon

Comments Due: 07/01/2021
Location: Oregon, Pacific Northwest

Proposed Settlement with Granite Excavation for Clean Water Act Violations

Comments Due: 07/02/2021
Location: Idaho, Pacific Northwest