Selenium in Washington Drinking Water
1,119 public water systems in Washington have historical EPA violation records associated with selenium in the Q2 2026 snapshot.
1,709
Historical Records in Washington
1,119
Systems With Records
About Selenium
- EPA Limit
- 50 ppb
- Category
- Inorganic
- Health Effects
- Hair or fingernail loss, numbness, circulatory problems
- 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.