A83/100
Ledyard Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 5,663 residents · Connecticut
What's In Ledyard's Tap Water?
21
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
2
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 28, 2023Enforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: 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
LEDYARD WPCA, GALES FERRY SYSTEM
Population Served
2,369
Water Source
Purchased Surface Water
System ID
CT0727051
LEDYARD WPCA - LEDYARD CENTER
Population Served
3,294
Water Source
Purchased Surface Water
System ID
CT0727091
Frequently Asked Questions About Ledyard Water
Is Ledyard tap water safe to drink?
Ledyard, Connecticut tap water receives a grade of A (83/100), which is considered excellent. Out of 21 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Ledyard's water?
21 contaminants were tested in Ledyard's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Ledyard have any water quality violations?
Yes, Ledyard has 13 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MCL, MR. 5 of these are health-based violations, which are the most serious category.
Do I need a water filter in Ledyard?
Ledyard 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. All contaminants are within health goals.
Where does Ledyard's tap water come from?
Ledyard's drinking water is sourced from purchased surface water and supplied by LEDYARD WPCA, GALES FERRY SYSTEM and 1 other water system(s). The system serves approximately 5,663 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Ledyard'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. Ledyard'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 Ledyard's water compare to other cities in Connecticut?
Ledyard's water quality score of 83/100 earns a grade of A, which is considered excellent. This places Ledyard among the better-performing water systems in Connecticut. Visit our Connecticut state page to see how all cities in the state compare.
What should I do if I'm concerned about Ledyard's water quality?
If you have concerns about Ledyard'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 (LEDYARD WPCA, GALES FERRY SYSTEM) 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.