Fluoride in Washington Drinking Water
1,132 public water systems in Washington have historical EPA violation records associated with fluoride in the Q2 2026 snapshot.
1,836
Historical Records in Washington
1,132
Systems With Records
About Fluoride
- EPA Limit
- 4000 ppb
- Category
- Inorganic
- Health Effects
- Bone disease (pain, tenderness), dental fluorosis in children
- Common Treatment Approaches
- Reverse osmosis, activated alumina
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.