C58/100
Mansfield Center Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 21,214 residents · Connecticut
What's In Mansfield Center's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 280.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.004 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, 2023 – July 10, 2023Enforcement: 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
WINDHAM WATER WORKS
Population Served
21,214
Water Source
Surface Water
System ID
CT1630011
Frequently Asked Questions About Mansfield Center Water
Is Mansfield Center tap water safe to drink?
Mansfield Center, Connecticut tap water receives a grade of C (58/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 12 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Mansfield Center's water?
Of the 69 contaminants tested in Mansfield Center's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Mansfield Center have any water quality violations?
Yes, Mansfield Center has 12 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR, TT. 6 of these are health-based violations, which are the most serious category.
Do I need a water filter in Mansfield Center?
Mansfield Center water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 2 contaminant(s) exceed these stricter goals.
Where does Mansfield Center's tap water come from?
Mansfield Center's drinking water is sourced from surface water and supplied by WINDHAM WATER WORKS. The system serves approximately 21,214 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Mansfield Center'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. Mansfield Center'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 Mansfield Center's water compare to other cities in Connecticut?
Mansfield Center's water quality score of 58/100 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 Mansfield Center's water quality?
If you have concerns about Mansfield Center'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 (WINDHAM WATER WORKS) 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.