Radium-226 in Connecticut Drinking Water
178 public water systems in Connecticut have historical EPA violation records associated with radium-226 in the Q2 2026 snapshot.
479
Historical Records in Connecticut
178
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
Connecticut Systems With the Most Radium-226 Records
Round Valley Agency
84 served14 historical records
D
Round Valley Piner
409 served14 historical records
D
Manchester Rancheria
100 served11 historical records
C
SCUA Upper Seven Mile
8,478 served10 historical records
F
Las Vegas Paiute Snow Mountain
2,340 served9 historical records
D
Grand Canyon West
3,120 served9 historical records
C
Torres-Martinez Avenue 64
110 served8 historical records
C
Peach Springs
1,865 served8 historical records
B
SCUA Cutter
574 served8 historical records
C
Battle Mountain
195 served7 historical records
D
Tule River Reservation Main
2,560 served7 historical records
F
Quechan Utility
5,660 served7 historical records
D
Pauma
5,700 served7 historical records
B
Original Sherwood Valley Rancheria
60 served6 historical records
D
Aguirre MHP
60 served6 historical records
D
Shanel Tribal Utility District
250 served5 historical records
C
Kaibab Village
407 served5 historical records
C
Ft. McDermitt Paiute-Shoshone - Upper
110 served5 historical records
D
Havasupai Village
885 served5 historical records
D
Point Arena Rancheria
616 served5 historical records
C
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.