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El Dorado Reservoir is an 8,400-acre lake with a storage capacity of over 50 billion gallons. This amount of storage should allow the city to draw 22 million gallons per day even in what is classified as a 50-year drought. Water from the lake is gravity fed through large mains to the water treatment plant.
Although El Dorado’s source water is of very high quality, extensive treatment is still needed to meet strict quality standards for drinking water. The El Dorado Water Treatment Plant is a conventional treatment facility, meaning the raw water undergoes disinfection, flocculation, sedimentation, and lastly filtration. Using a host of time tested mechanisms, we have been delivering a quality award winning product for over 80 years.
Algae taste and odor are usually not a problem in El Dorado for two reasons. First, we have very clean, good quality source water in El Dorado Lake with low nutrient levels. Excessive nutrients lead to algae blooms. Second, to combat any possible unpleasant tastes and odors associated with algal blooms we have multiple barriers in place to adsorb and remove these unwelcome qualities continuously to produce the best tasting water possible.
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 5 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. Click here El Dorado Consumer Confidence Report to see the most recent CCR or request a hard copy by calling the Water Department at 316-322-4443.
The Kansas Department of Health and Environment recommends all cities switch from chloramines to free chlorine for a short period each year to thoroughly disinfect the distribution system. The type of chlorine normally in the water, chloramines, has no chlorine taste or odor, which most people prefer, but it is not as powerful a disinfectant as free chlorine. Most people will notice the change in the taste while we perform this recommended switch for a short period each year.
Yes. Most water sources have naturally occurring Fluoride, including El Dorado lake, which has about 0.20 ppm of Fluoride. The Kansas Department of Health and Environment recommends a dosage of no more than 0.7 ppm, so we add another 0.30 ppm to the 0.20 naturally occurring for a total concentration of 0.50 ppm. El Dorado has been fluoridating water since the 1950's.
In accordance with regulations set forth by the Environmental Protection Agency and the Kansas Department of Health and Environment, the Public Utilities Department implemented a Cross-Connection Backflow Prevention Program many years ago to help safeguard the citizens of El Dorado against backflow and back siphonage. This program requires backflow assemblies on any connection to city water where there is a potential for contamination. These potential hazards include but are not limited too irrigation systems, fire suppression systems, boilers, medical equipment, chemical mixing vessels and many more, if you have a question as to whether or not your application needs an assembly please call (316)-322-4443 or a plumbing professional . You can help protect our water by making sure your outside faucets are protected with an atmospheric vacuum breaker as well. In most homes built after 1990, the outside faucets have built-in atmospheric vacuum breakers. But for those without, we have a limited supply of atmospheric vacuum breakers available free of charge at the water treatment plant. Please contact us for more information at (316)-322-4443.
We operate 24/7, with either personnel on-duty or on-call. We urge citizens with water or sewer issues, please contact the Utilities Department at 316-322-4448 during business office hours (7:00 a.m. - 3:00 p.m.).
However, if you experience problems after business hours (3:00 p.m. - 7:00 a.m.), for water or sewer issues, call our on-call personnel at 316-323-4987 or 316-323-4997. We will check the city sewer first, at no expense to the customer, to assist in the elimination of the problem.