COBB COUNTY, Ga. — The Cobb County Water System confirmed another wastewater overflow, continuing a series of sewer incidents across the county this year.
Recent Overflows
- November 11, 2025: 1,030 gallons into a tributary of Tate Creek near 4155 Lake Mist Drive, Kennesaw (caused by grease).
- November 15, 2025: 220 gallons into Nickajack Creek at 375 Cranfill Road SE, Marietta.
- November 21, 2025: 720 gallons into a tributary of Buttermilk Creek near 5400 Beth Drive, Austell.
- November 25, 2025: 160 gallons into a tributary of Clay Branch near 703 Veterans Memorial Highway, Mableton.
County crews responded to each spill by clearing blockages, jetting lines, and disinfecting affected areas. No immediate fish kills were reported in the most recent incidents.
Public and Environmental Concerns…