The following public water systems have naturally occurring fluoride. Many of the systems listed have multiple wells, each with a potentially different fluoride concentration.
Some wells have little if any fluoride.
The maximum fluoride potential of each system listed is noted by a symbol after the system name. The treatment type most commonly used to remove fluoride is adsorption onto activated alumina. In addition the fluoride concentration in a water systems can vary in accordance with the owner's choice of which wells are being used. Please contact the system of interest for specific operating conditions and latest water quality data. For additional information please call the DES's Water Supply Engineering Bureau at 271-3139.