Apex Companies*

Anderson Springs CSD

Arrowhead Community SD

Baldy Mesa Water District

Big Bear CSD**

Box Springs Mutual Water District

California Institution for Women

Cal Poly University, Pomona

California-American Water Co.

Callayomi County Water District

Casitas Municipal Water District*

Chino Basin Desalter Authority*

City of Alhambra**

City of Anaheim**

City of Banning

City of Big Bear Lake

City of Camarillo**

City of Chino

City of Chino Hills

City of Colton

City of Compton

City of Escondido*

City of Fountain Valley*

City of Fullerton

City of Garden Grove*

City of Glendale Water & Power*

City of Hemet

City of Irvine

City of Lakewood

City of Loma Linda*

City of Monterey Park

City of Morgan Hill*

City of Napa**

City of Newport Beach

City of Norwalk

City of Ontario*

City of Orange*

City of Pismo Beach


City of Pomona

City of Poway*

City of Riverside*

City of San Bernardino

City of San Jacinto*

City of Santa Ana

City of Santa Barbara**

City of Santa Fe Springs

City of Santa Paula

City of Torrance

City of Tustin

City of Upland

City of Vernon**

City of Victorville*

Coachella Valley Water District**

County of San Bernardino

Crescenta Valley Water District**

East Valley Water District**

Elsinore Water District

Foothill Municipal Water District*

Forest Lawn Memorial Parks*

Fort Irwin

Golden State Water Company**

Goleta Water District*

Helix Water District**

Inland Empire Utility Agency

Irvine Ranch Water District**

JC Penney*

Jurupa Community Services District*

Laguna Beach County WD**

Lakeside Water District*

Las Virgenes MWD

Long Beach Water Department**

Maywood Mutual Water Company

Metropolitan Water District

Monte Vista Water District

Moulton Niguel Water District**

Mt. Baldy Homeowners Assoc.*

Nipomo CSD**

Orange County Sanitation District

Orange County Water District

Otay Water District**

Paradise Irrigation District**

Proctor & Gamble*

Ramona Municipal Water District

Rancho California Water District

Rancho Santa Fe Irrigation District

Riverview Water District

Rowland Water District**

Rubidoux Community SD

Running Springs Water District

San Antonio Canyon MWD*

San Antonio Water Company**

San Gabriel Valley Water Company*

San Manuel Band of Mission Indians*

San Juan Water District

Santa Ana River Water Company

Sempra Utilities**

Soquel Creek Water District

South Coast Water District**

South Mesa Water Company

South Montebello Irrigation District

South Orange County Wastewater Authority**

Sunnyslope Water Company**

Sweetwater Authority

United Water Conservation District**

Valencia Water District*

Vallecitos Water District**

Valley County Water District

Victor Valley Water District

West Basin MWD*

West Kern Water District

Western Heights Water District**

Wheeler Ridge-Maricopa Water SD*

Yucaipa Valley Water District**

*Accomplished projects with the Owner in the last 5 years

** Accomplished numerous projects with the Owner over the past 10+ years

© Harper & Associates Engineering, Inc.