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 | 
|---|---|
| EPA Region 10 | 
			
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Outer Continental Shelf (more than 3 miles off Washington coastline)
| Permitting Agency | Types of Permits Issued | 
|---|---|
| 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 | 
|---|---|
| Washington Energy Facility Site Evaluation Council (EFSEC) | 
			 For energy projects greater than 350 megawatts: 
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| Washington Department of Ecology | 
			
 
 
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| Benton Clean Air Agency(serving Benton County) | 
			
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| Olympic Region Clean Air Agency(serving Clallam, Grays Harbor, Jefferson, Mason, Pacific and Thurston Counties) | 
			
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| Southwest Clean Air Agency (serving Clark, Cowlitz, Lewis, Skamania and Wahkiakum Counties) | 
			
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| Puget Sound Clean Air Agency (serving King, Kitsap, Pierce and Snohomish Counties) | 
			
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| Northwest Clean Air Agency (serving Island, Skagit and Whatcom Counties) | 
			
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| Spokane Regional Clean Air Agency(serving Spokane County) | 
			
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| Yakima Regional Clean Air Agency (serving Yakima County) | 
			
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