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  2. Permitting Under the Clean Air Act

Delegations of New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) in Washington

Map showing jurisdiction by county for clean air agencies in Washington.
Map showing jurisdiction of clean air agencies in Washington by county (click map for larger image). Or visit Washington clean air agencies.Exit
The documents available below list the part 60 NSPS, part 61 NESHAP and part 63 NESHAP delegated from EPA Region 10 to:
  • Benton Clean Air Agency (BCAA).
  • Washington Department of Ecology (Ecology).
  • Northwest Clean Air Agency (NWCAA).
  • Olympic Region Clean Air Agency (ORCAA).
  • Puget Sound Clean Air Agency (PSCAA).
  • Southwest Clean Air Agency (SWCAA).

Note that there are no recent delegations of NESHAP and NSPS to the Spokane Regional Clean Air Agency (SRCAA) or the Yakima Regional Clean Air Agency (YRCAA). EPA remains the authority for these standards in Spokane and Yakima Counties.


  • Part 60 NSPS Delegated to BCAA (pdf) (126.79 KB)
  • Part 61 NESHAP Delegated to BCAA (pdf) (91 KB)
  • Part 63 NESHAP Delegated to BCAA (pdf) (211.15 KB)
  • Part 60 NSPS Delegated to Ecology (pdf) (126.1 KB)
  • Part 61 NESHAP Delegated to Ecology (pdf) (87.12 KB)
  • Part 63 NESHAP Delegated to Ecology (pdf) (204.8 KB)
  • Part 60 NSPS Delegated to NWCAA (pdf) (126.96 KB)
  • Part 61 NESHAP Delegated to NWCAA (pdf) (85.38 KB)
  • Part 63 NESHAP Delegated to NWCAA (pdf) (203.32 KB)
  • Part 60 NSPS Delegated to ORCAA (pdf) (286.1 KB)
  • Part 61 NESHAP Delegated to ORCAA (pdf) (85.92 KB)
  • Part 63 NESHAP Delegated to ORCAA (pdf) (131.53 KB)
  • Part 60 NSPS Delegated to PSCAA (pdf) (124.87 KB)
  • Part 61 NESHAP Delegated to PSCAA (pdf) (88.4 KB)
  • Part 63 NESHAP Delegated to PSCAA (pdf) (208.93 KB)
  • Part 60 NSPS Delegated to SWCAA (pdf) (248.7 KB)
  • Part 61 NESHAP Delegated to SWCAA (pdf) (208.19 KB)
  • Part 63 NESHAP Delegated to SWCAA (pdf) (386.47 KB)

Permitting Under the Clean Air Act

  • Clean Air Act Permitting Around the Nation
    • New England Region (R1)
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      • Air Permit Delegation and PSD SIP Approval
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    • Pacific Northwest Region (R10)
  • CAA Permitting Tools & ​Related Resources
  • Outer Continental Shelf Air Permits
Contact Us About Permitting Under the Clean Air Act
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Last updated on May 7, 2025
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