The Cobb County-Marietta Water Authority (CCMWA) is a regional public utility that provides potable (drinking and fire protec ... tion) water on a wholesale basis to 11 retail water suppliers, one industrial customer and one institutional customer and is the second largest supplier of safe drinking water in Georgia. Our mission is to acquire and treat sufficient sources of water for our customers and the communities they serve, while leaving a legacy of sustainable water supplies for generations to come. read more