623-238-1374 ed.gerak@ieda-az.org


IEDA’s members are engaged in the management of water and power facilities and the delivery of water and power in Arizona. The membership includes special districts, municipalities, an Indian utility authority, and the managers of a federal water project.  Collectively, the 11 voting members and 15 associate members of IEDA are responsible for the delivery of most of Arizona’s entitlement to water from the Colorado River and much of the water that is otherwise available in Arizona.

Aguila Irrigation District
Ak-Chin Indian Community
Arizona Electric Power Cooperative (AEPCO)
Buckeye Water Conservation & Drainage District
Central Arizona Water Conservation District
Electrical District No. 6, Maricopa and Pinal Counties, Arizona
Electrical District No. 7, Maricopa County, Arizona
Electrical District No. 8, Maricopa County, Arizona
Harquahala Valley Power District
Maricopa County Municipal Water Conservation District No. 1
McMullen Valley Water Conservation & Drainage District
Ocotillo Water Conservation District
Page Electric Utility
Queen Creek Irrigation District
Roosevelt Irrigation District
Roosevelt Water Conservation District
The City of Safford
Salt River Project
The Town of Thatcher
Tonopah Irrigation District
Tohono O’odham Utility Authority
Wellton-Mohawk Irrigation & Drainage District
Yuma Irrigation District
Yuma-Mesa Irrigation & Drainage District


Agri-Business Council of Arizona, Inc (AGCA)

The Agribusiness & Water Council of Arizona (ABWC) is a not for profit trade association, whose membership represents the entire agricultural community from “ditch bank to dinner plate”, in Arizona.

American Public Power Association (APPA)

The American Public Power Association is the voice of not-for-profit, community-owned utilities that power 2,000 towns and cities nationwide.

Colorado River Energy Distributors Association

CREDA is a non-profit organization representing consumer-owned electric systems that purchase federal hydropower and resources of the Colorado River Storage Project (CRSP).

National Water Resources Association

The NWRA is a nonprofit federation of agricultural and municipal water providers, state associations, and individuals dedicated to the conservation, enhancement and efficient management of our nation’s most important natural resource: water.


Arizona Farm Bureau (AZFB)

The Arizona Farm Bureau is an independent, non-governmental grassroots organization that analyzes problems and formulates action to achieve educational improvement, economic opportunity, and social advancement and thereby to promote the national well-being.

Arizona Power Authority (APA)

The Arizona Power Authority is directed to obtain electric power developed from the mainstream of the Colorado River and sell such power to certain qualified purchasers.

Bureau of Reclamation (BOR)

Manages, develops, and protects water and related resources in an environmentally and economically sound manner in the interest of the American public.

Western Area Power Administration (WAPA)

One of four power marketing administrations within the U.S. Department of Energy whose role is to market and transmit wholesale electricity from multi-use water projects.