Radium-226 in Arizona Drinking Water

67 public water systems in Arizona have historical EPA violation records associated with radium-226 in the Q2 2026 snapshot.

187

Historical Records in Arizona

67

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

Arizona Systems With the Most Radium-226 Records

CHOCTAW - CONEHATTA

1,201 served3 historical records
A

CHOCTAW - BOGUE CHITTO

919 served2 historical records
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.