Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, 148 Tribes
Environmental Results through Tribal/EPA Partnerships
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Clean Air 
Tribes and EPA are working together to understand and improve air quality. Many tribes in the Pacific Southwest face significant air pollution challenges. Forty-eight out of 146 tribes, or nearly one-third, are in areas that do not meet the EPA 8-hour ozone standard. Twenty-eight of these tribes are also located in areas designated by EPA as not meeting the fine particulate standard. Many air quality problems are caused by pollution drifting from other areas.
Several tribes have used EPA's General Assistance Program (GAP) to conduct air assessment projects. The Paiute Shoshone Indians of the Bishop Colony's air activities include meteorlogical monitoring, maintaining equipment and burn permit program.
Navajo Nation and EPA entered into a delegation agreement this year, under which the tribe now administers the federal Title V operating permit program for industrial facilities. This is the first time any tribe in the United States has assumed CAA regulatory authority over such facilities.
Bead work created by Lori Seidner Clark
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