Cities served - Azusa, Claremont, Covina, Diamond Bar, Glendora, Industry, La Verne, Pomona, San Dimas, Walnut and West Covina

Unincorporated areas served - Charter Oak, Covina Knolls, Rowland Heights and South San Jose Hills

Population: 600,000

SPECIAL FEATURES OF MEMBER AGENCY

Three Valleys Municipal Water District operates 18 service connections with Metropolitan Water District of Southern California. Three Valleys' Miramar Water and Hydroelectric Facilities include a 25-million gallon-a-day treatment plant, two 8 million gallon storage reservoirs, three hydroelectric stations, 10 miles of distribution pipeline, and a conservation garden which includes a CIMIS weather station. Three Valleys MWD also maintains two pumping stations on an as-needed basis.

The district coordinates regional planning with all of its retail purveyors, to optimize management of all available supplies.