New York

142,011,420,214,203 · Lake Erie

Buffalo, NY

Moderate Risk Updated March 2026 1.2M residents
77
Purity Score

Contaminant Levels

PFAS
ND
Lead
8.5 ppb
Nitrate
0.6 mg/L
Arsenic
0.3 mg/L
Fluoride
0.7 mg/L
Copper
0.52 mg/L
Hardness
5.6 gpg

Values shown in respective units

Health Insights

  • 1
    Chlorine levels are within EPA limits but may affect taste and smell.

Current Score

77 / 100
Good
"Good" threshold (70)

Buffalo tap water is sourced from Lake Erie and treated by Erie County Water Authority. Overall purity score: 77/100 (Good). Updated for 2026.

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Frequently Asked Questions

Is Buffalo NY tap water safe to drink in 2026?
Buffalo tap water meets EPA federal drinking water standards and scores 77/100 (Good) on PurityMap for 2026. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.
Does Buffalo NY use chlorine or chloramine for disinfection?
Buffalo uses chlorine as the primary disinfectant with a residual level of 1.2 ppm. Standard activated carbon filters including pitcher filters are effective at removing free chlorine taste and odor.
How hard is Buffalo NY water and what is the TDS level?
Buffalo water hardness is 5.6 grains per gallon (moderate) with a TDS of 155 ppm (good). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Buffalo NY drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Buffalo drinking water.

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Data Sources & Methodology

  • EPA Safe Drinking Water Information System (SDWIS)
  • EWG Tap Water Database
  • Erie County Water Authority Consumer Confidence Report (CCR)
  • USGS regional water monitoring data

PurityMap compiles publicly available data and does not perform independent testing.

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