durable-tight-covers-for-your-aeration-or-sedimentation-basinsCounty Sanitation Districts
Orange County, California
Flat covers for sedimentation basins

CST Covers’ custom engineered, interlocking flat panels provide a safe cover that’s easy to remove when access is needed.


  • For more than thirty years CST Covers has been producing clear span aluminum flat covers for wastewater process tanks in applications throughout the world and in the widest variety of climates and geography.

    Our experienced engineers will design an interlocking flat panel system that will take into account your specific requirements and deliver years of service


  • with virtually no maintenance or upkeep. Aluminum does not rust, rot, spall or solar degrade and is not attacked by hydrogen sulfide.

    Another CST Covers advantage….we offer single source solution…design, manufacturing and construction.

    Contact us today for the answers to you specific needs.