MCLGs allow for a margin of safety. One part per billion or micrograms per liter. The level of fluoride averages 1 ppm. Consult your dentist if you are considering giving your child fluoride supplements. Generally, if you receive water on the south or east side of town, levels average less than 10 milligrams in a liter.
Downtown is a blended zone that can vary.
In the northwest, the water averages 100 milligrams in a liter.