D26/100
Enfield Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 25,384 residents · Connecticut
What's In Enfield's Tap Water?
66
Contaminants Tested
2
Exceed EPA Limits
2
Above EPA Goals
4 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.009 µg/L | 0.004 µg/L | Over Limit |
PFOS | 0.005 µg/L | 0.004 µg/L | Over Limit |
vanadium | 30.80 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – October 3, 2022Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
HAZARDVILLE WATER COMPANY
Population Served
18,544
Water Source
Groundwater
System ID
CT0490021
JEWETT CITY WATER COMPANY
Population Served
6,840
Water Source
Surface Water
System ID
CT0580011
Frequently Asked Questions About Enfield Water
Is Enfield tap water safe to drink?
Enfield, Connecticut tap water receives a grade of D (26/100), which is considered poor. 2 contaminant(s) exceed EPA maximum contaminant levels and 89 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Enfield's water?
Of the 66 contaminants tested in Enfield's water supply, the most notable include PFOA, PFOS, Lead (90th percentile), vanadium. 2 contaminant(s) exceed EPA legal limits (MCLs). 4 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Enfield have any water quality violations?
Yes, Enfield has 89 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other, MON. 9 of these are health-based violations, which are the most serious category.
Do I need a water filter in Enfield?
Based on EPA data, using a water filter in Enfield is recommended. 2 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Enfield's tap water come from?
Enfield's drinking water is sourced from groundwater and supplied by HAZARDVILLE WATER COMPANY and 1 other water system(s). The system serves approximately 25,384 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Enfield's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Enfield's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Enfield's water compare to other cities in Connecticut?
Enfield's water quality score of 26/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Connecticut state page to see how all cities in the state compare.
What should I do if I'm concerned about Enfield's water quality?
If you have concerns about Enfield's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (HAZARDVILLE WATER COMPANY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.