New York

108,011,080,210,803 · Catskill and Kensico Reservoir system

New Rochelle, NY

Low Risk Updated March 2026 79,726 residents
85
Purity Score

Contaminant Levels

PFAS
ND
Lead
4.5 ppb
Nitrate
0.4 mg/L
Arsenic
0.2 mg/L
Fluoride
0.7 mg/L
Copper
0.32 mg/L
Hardness
2 gpg

Values shown in respective units

Health Insights

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

Current Score

85 / 100
Excellent
"Good" threshold (70)

New Rochelle tap water is sourced from Catskill and Kensico Reservoir system and treated by Westchester Joint Water Works. Overall purity score: 85/100 (Excellent). Updated for 2026.

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Frequently Asked Questions

Is New Rochelle NY tap water safe to drink in 2026?
New Rochelle 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 Rochelle NY use chlorine or chloramine for disinfection?
New Rochelle uses chloramine as the primary disinfectant with a residual level of 1.0 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 Rochelle NY water and what is the TDS level?
New Rochelle water hardness is 2.0 grains per gallon (soft) with a TDS of 50 ppm (excellent). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in New Rochelle NY drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in New Rochelle drinking water.

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Data Sources & Methodology

  • EPA Safe Drinking Water Information System (SDWIS)
  • EWG Tap Water Database
  • Westchester Joint Water Works Consumer Confidence Report (CCR)
  • USGS regional water monitoring data

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

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