Is Stamford tap water safe to drink?

Yes with good quality

Stamford'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
3.8 GPG
Hardness
Not detected
PFAS

2 Issues Detected in Stamford

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Stamford

Arsenic Approaching Limit (0.2 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Stamford
Connecticut

69,010,690,206,903 · Laurel Reservoir

Stamford, CT: Water Quality and Filter Guide

Low Risk Updated March 2026 135,470 residents
See Best Filters for Stamford
82
Purity Score

This 2026 water quality report for Stamford compiles data from EPA SDWIS, EWG testing records, and the Aquarion Water Company consumer confidence report. Scores, contaminant levels, and matched filter recommendations are below.

Contaminant Levels

PFAS
ND
Lead
5.2 ppb
Nitrate
0.5 mg/L
Arsenic
0.2 mg/L
Hardness
3.8 gpg

Health Insights

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

Score

82 /100
Good
"Good" threshold (70)

Stamford tap water is sourced from Laurel Reservoir and treated by Aquarion Water Company. Overall purity score: 82/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Stamford's 2 issues.

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Stamford Water FAQ

Is Stamford CT tap water safe to drink in 2026?
Stamford 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 Stamford CT use chlorine or chloramine for disinfection?
Stamford uses chloramine as the primary disinfectant with a residual level of 1.4 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 Stamford CT water and what is the TDS level?
Stamford water hardness is 3.8 grains per gallon (moderate) with a TDS of 130 ppm (good). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Stamford CT drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Stamford drinking water.
What is the best water filter for Stamford?
Based on Stamford's water profile, we recommend the Clearly Filtered Water Pitcher. Stamford has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

BridgeportConnecticut — 77/100WaterburyConnecticut — 77/100New HavenConnecticut — 82/100HartfordConnecticut — 82/100NorwalkConnecticut — 82/100DanburyConnecticut — 82/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Aquarion Water Company CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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