An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Tribal Programs in the Pacific Southwest

Pacific Southwest (Region 9) Tribal Clean Air Act Funding Announcement and Guidance

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 tribal nations.


EPA Region 9 anticipates awarding approximately 30 grants to federally-recognized tribes within the Region 9 geographic area for funding tribal air pollution control programs, air quality education and assessment projects, and the development of tribal air program capacity. It is expected that the awards will range from $50,000 to $120,000. Projects will be funded for work to be done in Fiscal Year 2022 (FY22), between October 1, 2021, and September 30, 2022.

EPA authorities for awarding these grants are Section 103 and 105 of the Clean Air Act, 42 USC §7403. All funded activities must be related to air pollution and/or air pollution control. In addition, the goal of these grants is to assist tribes in developing the capacity to manage their air quality programs in accordance with their individual needs. Grants awarded under these programs are governed by administrative requirements under 40 CFR Part 31. There is no matching requirement for Section 103 grants; there is a 5% match for Section 105 grants.

Catalog of Federal Domestic Assistance (CFDA) Number 66.038

Training, investigations, and special purpose activities of federally-recognized Indian Tribes consistent with the Clean Air Act (CAA), tribal sovereignty, and the protection and management of air quality

Catalog of Federal Domestic Assistance (CFDA) Number 66.001

Air Pollution Control Program Support

Important Dates

Proposals must be submitted electronically as a PDF to on or before 6:00 pm PST February 19, 2021. LATE PROPOSALS WILL NOT BE CONSIDERED.


If you experience a problem reading a document with assistive technology, please contact us.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.