County Water Quality Report

Erie County, New York

5 public water systems serving 1,010,648 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
60/100
Utilities rated 5
Population served 1,010,648
Most recent test 2024
🇪🇺 Would fail EU standards 1 of 5

Top water quality concerns in Erie County

  • Haloacetic acids (HAA9) significantly above health guidelinein 3 of 5 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 3 of 5 utilities
  • PFAS contaminationin 2 of 5 utilities
  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 2 of 5 utilities
  • Haloacetic acids (HAA9)* significantly above health guidelinein 1 of 5 utilities

All utilities in Erie County

Click any utility for full grade card, contaminant data, and treatment plant contact info.

C
67/100

ECWA AMHERST

AMHERST (T) · 92,697 residents

Top concern: Haloacetic acids (HAA9)* significantly above health guideline

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C
67/100

ECWA DIRECT

EVANS (T) · 313,380 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

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D
63/100

Buffalo Water Authority

Buffalo · 256,000 residents

Top concern: Lead detected in source water

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D
55/100

BUFFALO WATER AUTHORITY

BUFFALO (C) · 276,000 residents

Top concern: PFAS contamination

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F
50/100

TONAWANDA, TOWN WATER DEPT.

KENMORE (V) · 72,571 residents

Top concern: PFAS contamination

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