Skip to main content

Disinfection (Chlorination/Dechlorination) Structure

CAWD uses liquid chlorine for disinfection. The disinfection structure is located along the westerly boundary of the plant. Equipment housed in this structure include:

Chlorine cylinder storage room:
2 – Chlorinators, 2000 lbs/day, automatic control;
2 – Chlorine residual analyzers;
1 – Sodium bisulfite bulk storage tank;
2 – Sodium bisulfite metering pumps;
3 – Sample pumps;
3 – No. 3 water pumps and hydropneumatic tank;
1 – Effluent flow meter;
1 – Chlorine flash mixer;
1 – Chlorine leak detector and an Effluent sampler;

The chlorine contact tanks are located below grade, beneath the Chlorination/Dechlorination Structure.

The Chlorination System is used to disinfect treated effluent, for odor control at the Influent Pumping Station and Headworks, and to control bulking in the Activated Sludge System.

Join our mailing list