Barium in Connecticut Drinking Water
147 public water systems in Connecticut have historical EPA violation records associated with barium in the Q2 2026 snapshot.
252
Historical Records in Connecticut
147
Systems With Records
About Barium
- EPA Limit
- 2000 ppb
- Category
- Inorganic
- Health Effects
- Increase in blood pressure
- Common Treatment Approaches
- Ion exchange, reverse osmosis
Connecticut Systems With the Most Barium Records
Havasupai Village
885 served6 historical records
D
Yurok - Weitchpec
120 served5 historical records
D
Lower Moencopi - Spring Source
465 served4 historical records
D
Yurok - Kepel
76 served4 historical records
D
Yurok - Wautec
96 served4 historical records
D
Pit River Montgomery Creek Rancheria
90 served4 historical records
C
Tule River Reservation Main
2,560 served4 historical records
F
Grindstone Rancheria
150 served4 historical records
F
SCUA Bylas
3,160 served4 historical records
F
SCUA Lower Peridot
702 served4 historical records
F
Polacca
3,890 served3 historical records
F
Washoe Tribe Woodfords
250 served3 historical records
B
Round Valley Piner
409 served3 historical records
D
Yurok - Requa
215 served3 historical records
C
Kaibab Village
407 served3 historical records
C
Arizona Village
3,211 served3 historical records
D
Dishchii Bikoh Community School - BIA Charter
622 served3 historical records
C
Yomba Indian Reservation
30 served3 historical records
D
Goshute (Lower)
40 served3 historical records
D
Upper Moenkopi
1,740 served3 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.