Carollo Engineers' national focus in the water/wastewater industry, coupled with our experience and excellent technical resources, makes us leaders in our area of expertise. This focus means our resources in each of our service areas meet or exceed those of any other firm. Our "lean and mean" execution approach allows us to be flexible to the project's demands and has provided our clients with numerous award-winning projects.

        City of Yuma, Arizona - Flow Augmentation in Yuma's East Wetlands
        American Public Works Association - Arizona Chapter 
        Public Works Project of the Year in the Environment - 2008


        Eastern Municipal Water District, CA - Hemet Water Filtration Plant   
        American Society of Civil Engineers, Region 9 
        Water Project of the Year, Honorable Mention - 2008

        City of Santa Barbara, CA - Sheffield Water Quality Project
        League of California Cities
        California Cities Helen Putnam Award for Excellence - 2007

        City of Mesa, Towns of Gilbert and Queen Creek, AZ
        Greenfield Water Reclamation Plant Phase II Expansion
        Wastewater Project of the Year - 2007

        Eastern Municipal Water District, CA - Hemet Water Filtration Plant   
        American Society of Civil Engineers, Region 9 Los Angeles Section
        Outstanding Civil Engineering Project of the Year - 2007

        Orange County Sanitation District, CA - Plant No. 2 Headworks Replacement

        California Water Environment Association,
Engineering Research of the Year - 2005
        AND
        Santa Ana River Basin Section of the California Water Environment Association,
       
Engineering Research of the Year - 2005

City of Yuma’s Desert Dunes Water Reclamation Facility
American Council of Engineering Companies of Arizona
Engineering Excellence Grand Award - 2005