C59/100
FAIRFIELD HILLS — Water Quality Report 2026
Serving 2,610 people · Connecticut
Water Source
Groundwater
County
—
System ID
CT0970021
Violations
22
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.44 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
5
Unresolved
1
Health-Related
TIER 3Unresolved
Failed to issue initial public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 2Unresolved
Treatment technique violation
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
Frequently Asked Questions About FAIRFIELD HILLS
Is FAIRFIELD HILLS water safe to drink?
FAIRFIELD HILLS water receives a grade of C (59/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 22 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has FAIRFIELD HILLS detected?
2 contaminants were tested in FAIRFIELD HILLS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does FAIRFIELD HILLS have any EPA violations?
Yes, FAIRFIELD HILLS has 22 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, RPT. 2 are health-based violations.
How many people does FAIRFIELD HILLS serve?
FAIRFIELD HILLS serves approximately 2,610 people, Connecticut. The system provides water to 1 community: Newtown.
What type of water does FAIRFIELD HILLS provide?
FAIRFIELD HILLS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CT0970021.
How does FAIRFIELD HILLS compare to other utilities in Connecticut?
FAIRFIELD HILLS scores 59/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Connecticut state page for a full comparison of water systems.