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Community Water System · PWS CT0727091

Ledyard Wpca - Ledyard Center

Ledyard, Connecticut 06339-1511 - drinking water served from surface water sources to 3,294 people, tracked in EPA SDWIS and UCMR5.

3,294
People served
13
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 13 drinking-water violations at Ledyard Wpca - Ledyard Center, 92% of them health-based - below the Connecticut per-system average.

13
Total EPA violations on record
92%
Health-based (MCL / treatment failure)
3,294
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ledyard Wpca - Ledyard Center

Ledyard Wpca - Ledyard Center is a local-owned community water system that delivers drinking water to 3,294 residents in Ledyard, Connecticut (New London County) through 732 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 13 total violations for this system , of which 12 (92%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is TTHM, recorded in 8 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Connecticut, EPA tracks 2,332 public water systems serving 2,886,005 people, with 206,662 cumulative violations and 21,779 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 88.6 violations. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%).

Ledyard Wpca - Ledyard Center's 13 violations sit below the Connecticut average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
3,294
Total Violations
13
Health-Based Violations
12
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
732
County
New London
School/Daycare
No
MCL Violations
12
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 8 2022
Coliform (TCR) MCL 4 2010
Consumer Confidence Rule Other 1 2023

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Ledyard Wpca - Ledyard Center.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CT0727091 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Connecticut Drinking Water Authority

Connecticut's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find CT regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Consumer Confidence Rule Other 1 SDWIS / CT0727091 / 7000
2022 TTHM MCL 8 SDWIS / CT0727091 / 2950
2010 Coliform (TCR) MCL 4 SDWIS / CT0727091 / 3100

How Ledyard Wpca - Ledyard Center Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Ledyard Wpca - Ledyard Center Connecticut avg Federal benchmark
Total violations 13 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 9.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 63.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,294 1,238 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,332 regulated public water systems in Connecticut.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Ledyard Wpca - Ledyard Center water safe to drink?
Ledyard Wpca - Ledyard Center (PWS ID: CT0727091) has 13 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,294 people using Surface Water sources.
How many people does Ledyard Wpca - Ledyard Center serve?
Ledyard Wpca - Ledyard Center serves 3,294 people in Ledyard, Connecticut. It is a Local-owned system using Surface Water water sources with 732 service connections.
What type of violations does Ledyard Wpca - Ledyard Center have?
Ledyard Wpca - Ledyard Center has 13 total violations: 12 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ledyard Wpca - Ledyard Center water?
No PFAS testing data is available for Ledyard Wpca - Ledyard Center under the EPA's UCMR5 monitoring program.
What water source does Ledyard Wpca - Ledyard Center use?
Ledyard Wpca - Ledyard Center uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.