Nitrite in Connecticut Drinking Water
Connecticut has 11,255 public water systems. 4101 have recorded nitrite violations.
Total Systems
11,255
With Violations
4,101
EPA MCL
1
Population Served
3.0M
Nitrite in Connecticut: Key Facts
Total Water Systems
11,255
Systems with Violations
4,101
Lead Violations
74
Copper Violations
378
EPA Standard
1 mg/L as N
MCLG (goal): 1 mg/L
Water Systems with Violations in Connecticut
| System | Population | Violations |
|---|---|---|
| 27 MAPLE DRIVE | 38 | 5163 |
| STONY BROOK MOBILE HOME PARK | 28 | 2663 |
| GARDEN LANE APARTMENTS | 40 | 1470 |
| 166 BOSTON TURNPIKE | 7 | 1285 |
| 95 BRIDGE ROAD - HADDAM | 0 | 1193 |
| 125-131 BRADLEY ROAD - WOODBRIDGE | 385 | 1147 |
| YESHIVA OF WATERBURY-DURHAM CAMPUS | 490 | 1081 |
| 4 WEST GRANBY ROAD | 97 | 1032 |
Health Effects of Nitrite Exposure
Blue baby syndrome
Can block oxygen in blood of infants under 6 months
Methemoglobinemia
Converts hemoglobin, reducing blood oxygen-carrying capacity
Infants below 6 months can develop methemoglobinemia ('blue baby syndrome'). Combined nitrate+nitrite limit is 10 mg/L.
Frequently Asked Questions
Is there nitrite in Connecticut water?
Connecticut has 11,255 public water systems. 4101 have recorded nitrite violations based on EPA SDWIS data. If you are on a private well, your water is not covered by these regulations and should be tested independently.
How can I check my Connecticut water for nitrite?
Search for your water system using the WaterCheck system lookup, or contact your utility and request a copy of your Consumer Confidence Report (CCR). The CCR is published annually and lists all detected contaminants, their levels, and the EPA MCLs. For private wells, contact a state-certified lab for independent testing.
What is the EPA limit for nitrite?
The EPA Maximum Contaminant Level (MCL) for nitrite is 1 mg/L as N. Systems that exceed MCLs are required to notify customers and take corrective action.
Nitrite at a Glance
Source
Runoff from fertilizer use; leaching from septic tanks and sewage; erosion of natural deposits
How to Filter Nitrite
- +Reverse osmosis removes nitrite
- +Ion exchange systems can remove nitrite
- +Do not give water with elevated nitrite to infants