Radium-226 in California Drinking Water
16 public water systems in California have historical EPA violation records associated with radium-226 in the Q2 2026 snapshot.
22
Historical Records in California
16
Systems With Records
About Radium-226
- EPA Limit
- 5 pCi/L
- Category
- Radionuclides
- Health Effects
- Increased cancer risk
- Common Treatment Approaches
- Ion exchange, reverse osmosis
California Systems With the Most Radium-226 Records
Acoma Main
2,374 served4 historical records
D
Pawnee Tribal Complex
485 served2 historical records
A
Ponca Tribe Of Oklahoma
360 served2 historical records
B
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.