Notice of Sewer Overflow into Sewell Mill Creek

On Friday, July 7, 2023, Cobb County Water System experienced a structural failure of a sewer line near 1211 Pimlico Court, Marietta, GA. This resulted in an overflow into Sewell Mill Creek, just upstream of East Cobb Park. The estimated volume of the overflow is 152,750 gallons. While the necessary repairs are being completed, crews have put a bypass pump in place to alleviate the overflow. The overflow was stopped at approximately 12:45 a.m. on July 8, 2023.

The Georgia Environmental Protection Division has been notified, and Cobb County Water System employees are following EPD protocols for such an event. Monitoring of bacteria levels in the creek is already underway.

Until testing results are completed, out of an abundance of caution, residents are urged to avoid exposure to Sewell Mill Creek at East Cobb Park and points southward.