Selenium in California Drinking Water
20 public water systems in California have historical EPA violation records associated with selenium in the Q2 2026 snapshot.
22
Historical Records in California
20
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
California Systems With the Most Selenium Records
San Felipe Pueblo
4,335 served1 historical record
A
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.