New York

100,011,000,210,003 · Catskill Delaware and Croton watersheds

New York City, NY

Low Risk Updated March 2026 8.4M residents
85
Purity Score

Contaminant Levels

PFAS
ND
Lead
2 ppb
Nitrate
0.5 mg/L
Arsenic
0.2 mg/L
Fluoride
0.7 mg/L
Copper
0.22 mg/L
Hardness
1.6 gpg

Values shown in respective units

Health Insights

  • 1
    New York City's water meets EPA standards. Filtration can still improve taste and peace of mind.

Current Score

85 / 100
Excellent
"Good" threshold (70)

New York City tap water is sourced from Catskill Delaware and Croton watersheds and treated by NYC Dept of Environmental Protection. Overall purity score: 85/100 (Excellent). Updated for 2026.

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Frequently Asked Questions

Is New York City NY tap water safe to drink in 2026?
New York City tap water meets EPA federal drinking water standards and scores 85/100 (Excellent) 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 New York City NY use chlorine or chloramine for disinfection?
New York City uses chloramine as the primary disinfectant with a residual level of 0.9 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.
How hard is New York City NY water and what is the TDS level?
New York City water hardness is 1.6 grains per gallon (soft) with a TDS of 38 ppm (excellent). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in New York City NY drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in New York City drinking water.

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Data Sources & Methodology

  • EPA Safe Drinking Water Information System (SDWIS)
  • EWG Tap Water Database
  • NYC Dept of Environmental Protection Consumer Confidence Report (CCR)
  • USGS regional water monitoring data

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

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