Ak-Chin - Akimel O'odham, Ak-Chin - Tohono O'odham, Ak-Chin - Hia-Ced O'odham


Ak Chin Indian Community of the Maricopa (Ak Chin) Indian Reservation


Ak-Chin Water Rights Settlement


Maricopa Indian Reservation


Maricopa Indian Reservation




Lower Colorado Region

Hydrologic Unit Code (HUC)

Lower Colorado

Document Type

Federal legislation


United States

Publication Date



Federal Legislation: Ak-Chin Indian Community Water Rights Act of 1978. (PL 95-328, 92 Stat. 409) This Act provides emergency irrigation water in face of a declining water table brought on by US failure to prevent mining of groundwater and to avoid litigation. The Ak-Chin has an agricultural based economy. The US will construct a well field and water delivery system from nearby Federal lands for 85,000 afa to meet Ak-Chin’s emergency irrigation needs. US will provide a permanent supply of water in a fixed amount by a date certain (Ak-Chin 1984 Amendment PL 98-530 sets Jan. 1, 1988 ) in exchange for a waiver of all current and future claims against the US, persons, corporations, municipalities under state or federal law, excepting Ak-Chin's claims against the US for breach. Damages for a breach shall be in the cost of replacement water for that not delivered by the US. Appropriations are authorized: 500,000 dollars for fiscal year ending Sep. 30, 1979, and 42,500,000M before fiscal year ending Sep. 30, 1983. First Indian Water Rights Settlement. [Source: or Google “GPO PL 95-328, 92 Stat. 409”; Public Laws 95-224 through 95-472, PDF 198854 KB; USA Statutes at Large (Digitized). USA Statutes at Large, Vol. 92, 95th Congress, 2nd Sess. from Jan. 1, 1978]


Federal Legislation for funding for emergency irrigation needs. (3 pages)

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