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Treatment Process

Raw water is pumped from the well field that extends about seven miles along the Arkansas River as well as Lake Ponca to the Water Treatment Plant for advanced treatment. Every day, an average of nine million gallons of treated water is distributed to five pump stations and two water storage towers located throughout the city in order to maintain water pressure for the whole community. The numerous daily, monthly, quarterly and annual tests indicate that the quality of our treated water meets the Drinking Water Quality Standards set by the United States Environmental Protection Agency.

The Water Treatment Plant is operated 24 hours a day, 7 days a week, by trained and certified operators and maintenance mechanics. As the schematic drawing shows, raw water enters the plant in the rapid mix basin where it is injected with a coagulant and lime. That water is then sent into flocculation chambers to form strong flocs before traveling into the sedimentation basins. After settling, the water is treated with hydrofluosilicic acid (the fluoride source) before passing through the gravity filters. Finally, chlorine is added in the chlorine contact basin and the treated water is stored in an underground reservoir from which it is pumped into the distribution system using high service pumps.



516 E. Grand, Ponca City, OK 74601
PO Box 1450, Ponca City, OK 74602
Ph. (580) 767-0339
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