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Tupper Lake, NY Tap Water Quality 2026

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

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

Main Utility: Tupper Lake V PWSID: NY1600012 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.30 ppb, 15% of the action level and no violations are open. No PFAS was detected.

C

Tupper Lake earns a C for water quality

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

Lead: 2.30 ppb — 15% of the federal action level
PFAS tested, none detected
46 violations since 2015, 44 health-based
No violations currently open
Tupper Lake's lead level vs. all New York community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.30 ppb — 15% of the federal action level
✓ Lower lead than 55% of New York utilities
Population Served
4886
~1750 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
46 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
15% of EPA action level
2.30 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.30 ppb, 15% 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) MCL EXCEEDANCE 64.5 UG/L 0.060 mg/L 2022 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 66.3 UG/L 0.060 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 90.5 UG/L 0.060 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 103.8 UG/L 0.060 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 184 UG/L 0.060 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 116.3 UG/L 0.080 mg/L 2021 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 187 UG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 116 UG/L 0.080 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 144.4 UG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 121 UG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 148.8 UG/L 0.080 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 69 UG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 83 UG/L 0.080 mg/L 2020 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 77 UG/L 0.060 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 127.8 UG/L 0.080 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 75.9 UG/L 0.060 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 131.8 UG/L 0.080 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 102 UG/L 0.060 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 73 UG/L 0.060 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 81.3 UG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 84 UG/L 0.080 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 95.8 UG/L 0.060 mg/L 2019 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 110 UG/L 0.060 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 94.8 UG/L 0.080 mg/L 2018 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 117 UG/L 0.060 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 101.3 UG/L 0.080 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 106.5 UG/L 0.080 mg/L 2018 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 115.3 UG/L 0.060 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 114 UG/L 0.080 mg/L 2018 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 111.3 UG/L 0.060 mg/L 2018 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 114 UG/L 0.060 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 98 UG/L 0.080 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 115 UG/L 0.080 mg/L 2016 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 128 UG/L 0.060 mg/L 2016 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 138 UG/L 0.060 mg/L 2016 Archived
TTHM MCL EXCEEDANCE 111 UG/L 0.080 mg/L 2016 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 128.8 UG/L 0.060 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 109.8 UG/L 0.080 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 114 UG/L 0.080 mg/L 2015 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 142 UG/L 0.060 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 109 UG/L 0.080 mg/L 2015 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 123 UG/L 0.060 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 102 UG/L 0.080 mg/L 2015 Archived
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 99 UG/L 0.060 mg/L 2015 Archived
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

46 violations are on record since 2015, of which 44 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Tupper Lake V
PWSID NY1600012
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 4,886
Service connections 1,750
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Tupper Lake tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.30 ppb, 15% of the action level.
Does Tupper Lake water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Tupper Lake? ▼
Tupper Lake V (PWSID NY1600012). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-11-18. Inspectors recorded 1 significant deficiency.

What Should Tupper Lake 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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