Air Quality Program | Gila River Indian Community


Irrigated rows of young green crops with high levels of water.As the city of Phoenix expands toward the northern border of the Gila River Indian Community’s 374,000-acre reservation, the tribe’s economy is becoming increasingly threatened by the city’s consumption of air resources. Beginning in 1997, the Gila River Department of Environmental Quality began to create air quality standards and a monitoring and enforcement regime that ultimately won the Community exclusion from Maricopa County’s ozone non-attainment area. The Community is the first tribe in the country to have a Tribal Air Quality Management Plan approved for federal enforcement and treatment-as-a-state status from the EPA under the Clean Air Act.

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Last updated on 03/02/2022