My Water's Fluoride Safe, effective prevention of tooth decay for people of all ages: Know if your water is optimally fluoridated.

My Water’s Fluoride allows consumers in currently participating states to learn the fluoridation status of their water system.

The best source of information on fluoride levels in your water system is your local water utility. All water utilities must provide their consumers with a Consumer Confidence Report that provides information on a system’s water quality, including its fluoridation level. The state drinking water administrator or state oral health program also should be able to help you identify the fluoride level of your drinking water.

Optimal fluoride levels recommended by the U.S. Public Health Service and CDC for drinking water range from 0.7 parts per million (ppm) for warmer climates to 1.2 ppm for cooler climates to account for the tendency for people to drink more water in warmer climates