Metropolitan Water District of Southern California
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Inland Empire Utilities Agency
Inland Empire Utilities Agency
Inland Empire Utilities Agency
6075 Kimball Avenue
Chino, CA 91708
(909) 993-1600
Web Site:
General Manager: Joseph Grindstaff
Representatives on Metropolitan board: Michael Camacho
Date formed: 1950
Joined Metropolitan: November 26, 1950
Service area: 242 square miles
Water sources for area served
Local: 70%
Metropolitan: 30%
Water served
Municipal & Industrial: 90%
Agricultural: 10%
Number of water purveyors the
district wholesales water to:


Cities served -Chino, Fontana, Montclair, Ontario, Rancho Cucamonga, Upland, and Chino Hills.

Population: 850,000


IEUA has six major responsibilities:

     1. Wastewater treatment and disposal.
     2. Water conservation and recycling projects.
     3. Industrial waste and non-reclaimable waste disposal.
     4. Renewable energy, composting of biosolids.
     5. Regional Integrated Water Resources Management Planning.
     6. Producer of Renewable Energy.

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Page updated: August 22, 2013