Did You Know?

  • water plant

    The Authority is unique as it draws water from two separate river basins. Both the Quarles Treatment Plant and the Wyckoff Treatment plant  have treatment capacity of 86 MGD, total system capacity 172 MGD, second largest in the State.

  • Hickory Log Creek Dam

    The Hickory Log Creek Dam is one of the largest dams in the state of Georgia not built by the Corps or Engineers or Georgia Power. 

  • Cobb County-Marietta Water Authority

    CCMWA is the second largest wholesale water provider in the state of Georgia serving over 900,000 residents. 

  • Cobb County-Marietta Water Authority

    Cobb County-Marietta Water Authority is a separate entity from both Cobb County Government and City of Marietta.