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Ledyard, NY Tap Water Quality 2026

Water quality report for Ledyard, NY — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Ledyard's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Aurora Village Of PWSID: NY0512920 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 5.00 ppb, 33% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Ledyard earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 5.00 ppb — 33% of the federal action level
PFAS never sampled at this system
13 violations since 2015, 8 health-based
No violations currently open
Ledyard's lead level vs. all New York community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 5.00 ppb — 33% of the federal action level
✓ Lower lead than 24% of New York utilities
Population Served
474
~100 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
13 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
33% of EPA action level
5.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 5.00 ppb, 33% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 92 UG/L 0.080 mg/L 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Addressed
TTHM MCL EXCEEDANCE 92 UG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 85.5 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 86.2 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 95.4 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 96.13 UG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 94.75 UG/L 0.080 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 94.1 UG/L 0.080 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

13 violations are on record since 2015, of which 8 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Aurora Village Of
PWSID NY0512920
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 474
Service connections 100
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Ledyard tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 5.00 ppb, 33% of the action level.
Does Ledyard water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Ledyard? ▼
Aurora Village Of (PWSID NY0512920). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2022-12-01. No significant deficiencies were recorded.

What Should Ledyard Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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