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Wastewater System

The City owns and operates three wastewater treatment facilities, plus numerous interceptor and collector sewers throughout the metropolitan area, and provides sewer services to the City and parts of Hinds County, western Rankin County and eastern Madison County.

The primary wastewater treatment facility, Savanna Plant, has a 46 million gallons per day (“mgd”) permitted capacity and was placed in operation in 1975.

The second wastewater treatment facility is located in the vicinity of the Greater Jackson South Jackson Industrial Park for treatment of wastewater flows from the Trahon and Big Creek Basins, which is an oxidation ditch design plant that began operation in 1991, and which has a capacity of 4.5 mgd with an average daily flow of 2.1 mgd.  

The third treatment facility is located in the Presidential Hills subdivision in the northwest part of the City. The facility provides treatment of treatment of wastewater flows from Bogue Chitto Creek Basin. The facility consists of an influent pump station, aerated primary lagoon, polishing lagoon, filters, and chlorination/dechlorination facilities that began operation in the early 1970’s and which has a capacity of 0.75 mgd with an average daily flow of 0.3 mgd. 

The City has constructed numerous interceptor and collector sewers throughout the metropolitan area over the years. The City's principal interceptor, the West Bank Interceptor, was constructed in conjunction with the Savanna Plant. The West Bank Interceptor extends on the west bank of the Pearl River from the Savanna Plant to the Hinds-Madison County line. The Caney Creek interceptor is another interceptor conveying flows directly to the Savanna Plant.