- EPA Region X 1-800-424-4EPA
*EPA Hotline
- Environment Canada 1-800-668-6767
- Idaho Department of Environmental Quality (208) 373-0502
* Boise Regional Office (208) 373-0550
* Coeur d’Alene Regional Office (208) 769-1422
* Idaho Falls Regional Office (208) 528-2650
* Lewiston Regional Office (208) 799-4370
* Pocatello Regional Office (208) 236-6160
* Twin Falls Regional Office (208) 736-2190
- Oregon Department of Environmental Quality (503) 229-5696
* LRAPA (Lane Regional Air Pollution Authority) (541) 736-1056
- Washington Department of Ecology(Headquarters) (360) 407-6000
Eastern Region (509) 329-3400
Northwest Region (425) 649-7000
Southwest Region (360) 407-6300
Central Region (509) 575-2490
Richland Nuclear Waste Office (509) 372-7950
* BCAA (Benton Clean Air Agency) (509) 783-1304
* NWCAA (Northwest Clean Air Agency) (360) 428-1617
* PSCAA (Puget Sound Clean Air Agency) (206) 343-8800
* SRCAA (Spokane Regional Clean Air Agency) (509) 477-4727
* SWCAA (Southwest Clean Air Agency) (360) 574-3058
* YRCAA (Yakima Regional Clean Air Agency) (509) 834-2050
