Water Treatment

Capacity Data

Total Water Treatment Plant Capacity           24 M.G.D. 
Average Daily Water Production (FY 2015)  9 M.G.D.
Maximum Day Production (FY 2015)  10.94 M.G.D.
Finished Water Storage  1.3 M.G.
Total Reservoir Capacity 12.05 M.G.

Physical and Chemical Characteristics

Finished Water Turbidity Range                  0.05 - .10 NTU
Finished Water Turbidity Average 0.04 NTU
Finished Water Chlorine Residual 1.7 - 2.7 ppm
Alkalinity 100 - 180 ppm
pH 7.0 - 7.9
Hardness 100 - 180 ppm
Grains of Hardness 5.85 - 10.53 grains
Iron 0.00 - 0.03 ppm
Manganese 0.0 - 0.01 ppm
Fluoride 0.9 - 1.9 ppm
Source Water Cherokee Lake

The Water Treatment Plant process consists of coagulation, sedimentation, and filtration through eight mixed media filters. Sodium Permanganate and coagulant are injected at the head of the plant, fluoride and corrosion inhibitor are added after filtration. The water is then filtered for a second time through a deep bed granular activated carbon contactor. The final process water is sterilized with chlorine immediately after carbon filtration.