Well water contaminant guide

Fluoride in private well water

Too much fluoride can affect teeth and bones over time.

Common limit: 4.0 mg/L EPA MCL; 2.0 mg/L secondary standardUnit: mg/Lhealth

What to do

Confirm elevated results and use treatment for drinking water when above recommended levels.

Treatment options

  • Reverse osmosis
  • Activated alumina
  • Distillation

Fluoride guides by state

Fluoride in Alabama well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Alaska well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Arizona well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Arkansas well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in California well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Colorado well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Connecticut well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Delaware well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in District of Columbia well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Florida well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Georgia well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Hawaii well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Idaho well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Illinois well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Indiana well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Iowa well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Kansas well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Kentucky well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Louisiana well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Maine well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Maryland well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Massachusetts well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Michigan well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Minnesota well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Mississippi well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Missouri well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Montana well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Nebraska well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Nevada well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in New Hampshire well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in New Jersey well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in New Mexico well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in New York well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in North Carolina well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in North Dakota well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Ohio well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Oklahoma well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Oregon well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Pennsylvania well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Rhode Island well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in South Carolina well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in South Dakota well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Tennessee well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Texas well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Utah well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Vermont well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Virginia well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Washington well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in West Virginia well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Wisconsin well water

State-specific guide for interpreting fluoride results in private wells.

Fluoride in Wyoming well water

State-specific guide for interpreting fluoride results in private wells.

Keep your well history

Interpret once on the web. Track forever in the app.

Save test history, set annual reminders, compare results over time, and create a shareable report for your family or water professional.

Track Fluoride in the iOS app