Is New Haven tap water safe to drink?

Yes with good quality

New Haven's tap water meets all EPA standards and scores well on our analysis. It is generally safe to drink though filtration can improve taste and provide extra precaution.

82/100
Purity Score
2
Issues Found
3.2 GPG
Hardness
Not detected
PFAS

2 Issues Detected in New Haven

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for New Haven

Arsenic Approaching Limit (0.2 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for New Haven
Connecticut

65,010,651,006,511 · Lake Whitney and Lake Gaillard

New Haven Water Safety and Contaminant Report

Low Risk Updated March 2026 130,250 residents
See Best Filters for New Haven
82
Purity Score

This report analyzes New Haven's tap water across five key indicators: PFAS, lead, hardness, chlorine, and TDS. Each section links to deeper data and filter options suited to CT water conditions.

Contaminant Levels

PFAS
ND
Lead
5.8 ppb
Nitrate
0.4 mg/L
Arsenic
0.2 mg/L
Hardness
3.2 gpg

Health Insights

  • 1
    Chlorine levels may affect the taste of New Haven's tap water. A carbon filter improves flavor.

Score

82 /100
Good
"Good" threshold (70)

New Haven tap water is sourced from Lake Whitney and Lake Gaillard and treated by South Central CT Regional Water Authority. Overall purity score: 82/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to New Haven's 2 issues.

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Explore New Haven Water Data

PFAS Levels in New HavenPFAS testing data
New Haven Lead LevelsLead testing data
Water Hardness in New HavenHardness levels
Best FiltersFull comparison
ConnecticutState rankings

New Haven Water FAQ

Is New Haven CT tap water safe to drink in 2026?
New Haven tap water meets EPA federal drinking water standards and scores 82/100 (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 New Haven CT use chlorine or chloramine for disinfection?
New Haven uses chloramine as the primary disinfectant with a residual level of 1.3 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 Haven CT water and what is the TDS level?
New Haven water hardness is 3.2 grains per gallon (soft) with a TDS of 110 ppm (good). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in New Haven CT drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in New Haven drinking water.
What is the best water filter for New Haven?
Based on New Haven's water profile, we recommend the Clearly Filtered Water Pitcher. New Haven has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

BridgeportConnecticut — 77/100WaterburyConnecticut — 77/100HartfordConnecticut — 82/100StamfordConnecticut — 82/100NorwalkConnecticut — 82/100DanburyConnecticut — 82/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • South Central CT Regional Water Authority CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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