A B Jewel Water Treatment Plant
Tulsa, OK

Alberta County Water Agency
Vegreville, Alberta, Canada

City of Anaheim Engineering
Anaheim, CA

City of Healdsburg Public Works Dept.
Healdsburg, CA

City of St. Helena Water Treatment Plant
St. Helena, CA

Department of Water and Power
Los Angeles, CA

Deubling Company
Northbrook, Il

ECN Netherlands Energy Resear Found.
Petten, The Netherlands

Environmental Engineering & Tech.
Newport News, VA

Hanahan Water Treatment
Charleston, SC

Illinois Power Company
Decatur, IL

Kern County Water Agency
Bakersfield, CA

Ontario Hydro
Toronto, Canada

Pennsylvanian American Water Co.
Pittsburg, PA

Regina Water Research Institute
Regina, Saskatchewan, Canada

Sonoma Country Water Agency
Santa Rosa CA

U.S. Fish and Wildlife Service
La Crosse, WI