Nitrate in Connecticut Drinking Water
275 public water systems in Connecticut have historical EPA violation records associated with nitrate in the Q2 2026 snapshot.
1,184
Historical Records in Connecticut
275
Systems With Records
About Nitrate
- EPA Limit
- 10000 ppb
- Category
- Inorganic
- Health Effects
- Blue baby syndrome in infants under six months
- Common Treatment Approaches
- Reverse osmosis, ion exchange
Connecticut Systems With the Most Nitrate Records
Ft. McDermitt Paiute-Shoshone - Upper
110 served17 historical records
D
Quechan Utility
5,660 served17 historical records
D
Kaibab Village
407 served15 historical records
C
Ft. McDermitt Paiute-Shoshone - Lower
456 served15 historical records
B
Round Valley Piner
409 served13 historical records
D
Las Vegas Paiute Snow Mountain
2,340 served13 historical records
D
Goshute (Upper)
40 served13 historical records
D
Polacca
3,890 served12 historical records
F
Round Valley Agency
84 served12 historical records
D
Torres-Martinez Avenue 64
110 served12 historical records
C
Goshute (Lower)
40 served12 historical records
D
Grindstone Rancheria
150 served12 historical records
F
Havasupai Village
885 served12 historical records
D
Yurok - Requa
215 served11 historical records
C
Tule River Reservation Main
2,560 served11 historical records
F
South Fork (Te-Moak)
40 served11 historical records
D
Oasis Mobile Home Park
826 served11 historical records
D
Walker River Paiute Tribe
662 served11 historical records
D
Mesa Grande (Tract 2)
43 served11 historical records
B
Duckwater
166 served11 historical records
F
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.