C59/100
Newtown Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,610 residents · Connecticut
What's In Newtown's Tap Water?
2
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
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
Water Utility Details
FAIRFIELD HILLS
Population Served
2,610
Water Source
Groundwater
System ID
CT0970021
Frequently Asked Questions About Newtown Water
Is Newtown tap water safe to drink?
Newtown, Connecticut tap water receives a grade of C (59/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 22 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Newtown's water?
Of the 2 contaminants tested in Newtown's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Newtown have any water quality violations?
Yes, Newtown has 22 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, RPT. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in Newtown?
Based on EPA data, using a water filter in Newtown is recommended. 1 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 Newtown's tap water come from?
Newtown's drinking water is sourced from groundwater and supplied by FAIRFIELD HILLS. The system serves approximately 2,610 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Newtown'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. Newtown'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 Newtown's water compare to other cities in Connecticut?
Newtown's water quality score of 59/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Connecticut state page to see how all cities in the state compare.
What should I do if I'm concerned about Newtown's water quality?
If you have concerns about Newtown'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 (FAIRFIELD HILLS) 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.