Fluoride in Drinking Water

What you need to know about fluoride in your tap water.

EPA Limit (MCL)

4000 ppb

EPA Goal (MCLG)

4000 ppb

Category

Inorganic

Health Effects

Bone disease (pain, tenderness), dental fluorosis in children

Common Sources

Natural deposits, water additive for dental health

How to Remove Fluoride from Water

Recommended filtration methods: Reverse osmosis, activated alumina

9,532

Total Violations

1,696

Systems Affected

Fluoride Violations by State

StateViolationsSystems
Texas4,315245
Pennsylvania912287
California61048
New Mexico54816
Arizona43148
Georgia431118
New York349146
Colorado19985
Maryland17364
Mississippi13724
Utah13142
Oklahoma12048
Montana10953
North Carolina10335
Alabama9635
Alaska9451
Missouri8247
Indiana8146
Connecticut6731
Oregon6130

Water Systems with Most Fluoride Violations