Thallium in Washington Drinking Water
1,087 public water systems in Washington have historical EPA violation records associated with thallium in the Q2 2026 snapshot.
1,664
Historical Records in Washington
1,087
Systems With Records
About Thallium
- EPA Limit
- 2 ppb
- Category
- Inorganic
- Health Effects
- Hair loss, kidney, intestine, liver problems
- Common Treatment Approaches
- Ion exchange, 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.