Water Treatment

Why We Have Great Water in El Dorado

To have great tasting water it certainly helps to have great source water. El Dorado Reservoir is a fairly young reservoir, completed in 1981. The drainage basin above El Dorado is predominantly the tallgrass prairie of the Flint Hills and rainwater runoff comprises most of the water entering the Lake. Because of these factors, the water is relatively soft (low mineral content) and its clarity very good.

The superior quality of El Dorado Water Treatment Facility’s drinking water is the result of a combination of the proper operation of a multistage treatment facility and a laboratory that performs 2,500 monthly tests on samples taken during the treatment process and throughout the 129 miles of distribution system piping. El Dorado currently has 4 personnel that hold a Class IV Water Operator’s license, the state’s highest certification level. Water quality is monitored 24 hours a day, 365 days a year. Chemical dosages are scrutinized daily and sophisticated instrumentation keeps a close watch on water quality.

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