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Grand Island, NY Tap Water Quality 2026

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

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

Main Utility: Grand Island Town Water Dept. PWSID: NY1400451 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.13 ppb, 8% of the action level and no violations are open. No PFAS was detected.

A

Grand Island earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 1.13 ppb — 8% of the federal action level
PFAS tested, none detected
41 violations since 2015, 0 health-based
No violations currently open
Grand Island's lead level vs. all New York community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.13 ppb — 8% of the federal action level
✓ Lower lead than 82% of New York utilities
Population Served
21369
~6200 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
41 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
8% of EPA action level
1.13 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.13 ppb, 8% 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
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2024 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2024 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2024 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2024 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
Nickel MONITORING AND REPORTING — — 2024 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2024 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2024 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2024 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2024 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2024 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2024 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2024 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2024 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2024 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2024 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2024 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 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

41 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Grand Island Town Water Dept.
PWSID NY1400451
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 21,369
Service connections 6,200
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Grand Island tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.13 ppb, 8% of the action level.
Does Grand Island water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Grand Island? ▼
Grand Island Town Water Dept. (PWSID NY1400451). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-12-31. No significant deficiencies were recorded.

What Should Grand Island Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
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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