Clean Air Act Permitting in Washington
Clean Air Act permitting in Washington is the shared responsibility of EPA Region 10 and the agencies listed below.
Indian Country
Permitting Agency | Types of Permits Issued |
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EPA Region 10 |
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Outer Continental Shelf (more than 3 miles off Washington coastline)
Permitting Agency | Types of Permits Issued |
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EPA Region 10 |
Note: mNSR and nNSR do not apply more than 28 miles off of the coast line. |
All Other Areas in Washington
Permitting Agency | Types of Permits Issued |
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Washington Energy Facility Site Evaluation Council (EFSEC) Exit |
For energy projects greater than 350 megawatts:
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Washington Department of Ecology Exit |
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Benton Clean Air Agency Exit(serving Benton County) |
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Olympic Region Clean Air Agency Exit(serving Clallam, Grays Harbor, Jefferson, Mason, Pacific and Thurston Counties) |
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Southwest Clean Air Agency Exit (serving Clark, Cowlitz, Lewis, Skamania and Wahkiakum Counties) |
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Puget Sound Clean Air Agency Exit (serving King, Kitsap, Pierce and Snohomish Counties) |
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Northwest Clean Air Agency Exit (serving Island, Skagit and Whatcom Counties) |
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Spokane Regional Clean Air Agency Exit(serving Spokane County) |
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Yakima Regional Clean Air Agency Exit (serving Yakima County) |
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