Wastewater Collection

The Waste Resources Division is responsible for the operation and maintenance of the interceptor sewer system of Chattanooga, as well as the regional wastewater treatment plant known as the Moccasin Bend Wastewater Treatment Plant.

The interceptor sewer system encompasses approximately 1,263 miles of sewer lines, 7 large custom-built pumping stations, 8 custom-built storm stations, 53 underground, wetwell mounted, submersible pumping stations, approximately 171 residential/grinder stations, 8 combined sewer overflow (CSO) facilities and one (1) major regional wastewater treatment plant (Moccasin Bend).

The City's Interceptor Sewer System serves the City and a surrounding metropolitan area which together have a population of approximately 400,000, encompassing about 200 miles. In addition to the City, the system serves the following areas: City of Collegedale, Tennessee; part of Hixson Utility District service area in Hamilton County, Tennessee; City of Red Bank, Tennessee; City of East Ridge, Tennessee; City of Soddy Daisy, Tennessee; City of Rossville, Georgia; City of Fort Oglethorpe, Georgia; Town of Lookout Mountain, Tennessee; Lookout Mountain, Georgia and portions of Walker County and Catoosa County, Georgia.

Sanitary Sewer Overflow (SSO) refers to any overflows caused by line stoppages, heavy rains, pump station failures, vandalism, building backups due to main line problems and any other causes.

If you need to report an overflow, please call 311 at 423-643-6311.

Sanitary Sewer Overflow (SSO) Observation Report