City of Calhoun

City of Calhoun

Location: Calhoun, GA

This water treatment plant is designed to remove turbidity from groundwater wells under the influence of surface water. Its previous water treatment equipment consisted of cartridge filters that required frequent replacement at a considerable cost to the City. Water production was limited to only 1,000 gpm and the new water treatment plant design flow rate is 4,000 gpm (5.7 MGD).

The treatment process consists of raw water pumping, chemical feed, in-line mixing, orthokinetic flocculation and media filtration in a single multi-cell horizontal pressure vessel. Water is pumped directly from the wells through the filters, where chlorine is added for disinfection just prior to a ground storage tank. High service pumps supply the finished water to the distribution system. The Clari-Filt™ system supplied includes the value-added Simul-Wash™ backwash process.

The raw water analysis summarized below reflects moderate concentrations of turbidity existing in the well water. The Clari-Filt™ system is designed to effectively treat waters with turbidity levels up to 50 NTU. The Calhoun water treatment plant brings current state-of-the-art filtration and backwashing technology that maximizes treatment plant production. It incorporates a controllable air and water backwash process that prevents media loss while providing flexible quality management of the filter media cleaning process.

Raw Water
Finished Water
Turbidity0.1 – 50 NTUNot Detected to 0.14 NTU

 

 

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