Is Dearborn tap water safe to drink?

Yes but with caveats

Dearborn's water meets EPA minimum standards but has some concerns. Filtration is recommended for sensitive individuals.

74/100
Purity Score
3
Issues Found
7.3 GPG
Hardness
Not detected
PFAS

3 Issues Detected in Dearborn

Moderately Hard Water (7.3 GPG)

Hardness above 7 GPG can cause minor scale buildup.

Hardness data for Dearborn

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Dearborn

Arsenic Approaching Limit (0.2 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Dearborn
Michigan

481,204,812,148,124 · Lake Huron via GLWA

Dearborn, MI Water Quality Report

Moderate Risk Updated March 2026 107,400 residents
See Best Filters for Dearborn
74
Purity Score

Contaminant Levels

PFAS
ND
Lead
6.5 ppb
Nitrate
0.5 mg/L
Arsenic
0.2 mg/L
Hardness
7.3 gpg

Health Insights

  • 1
    At 7.3 GPG, Dearborn's water qualifies as moderately hard. This can cause limescale in pipes and shorten appliance lifespan.
  • 2
    Chlorine levels may affect the taste of Dearborn's tap water. A carbon filter improves flavor.

Score

74 /100
Moderate
"Good" threshold (70)

Dearborn tap water is sourced from Lake Huron via GLWA and treated by Great Lakes Water Authority. Water hardness is hard at 7.3 GPG which may cause scale buildup. Overall purity score: 74/100 (Moderate). Updated for 2026.

Fix Your Water

Best filters matched to Dearborn's 3 issues.

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Dearborn Water FAQ

Is Dearborn MI tap water safe to drink in 2026?
Dearborn tap water meets EPA federal drinking water standards and scores 74/100 (Moderate) 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 Dearborn MI use chlorine or chloramine for disinfection?
Dearborn uses chloramine as the primary disinfectant with a residual level of 1.9 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 Dearborn MI water and what is the TDS level?
Dearborn water hardness is 7.3 grains per gallon (hard) with a TDS of 190 ppm (fair). This level causes noticeable scale buildup in water heaters kettles and dishwashers. A water softener is recommended to protect plumbing and reduce soap usage.
Has PFAS been found in Dearborn MI drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Dearborn drinking water.
What is the best water filter for Dearborn?
Based on Dearborn's water profile, we recommend the AFWFilters 5600sxt 48000 Grain Softener. Dearborn has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

FlintMichigan — 43/100KalamazooMichigan — 60/100Ann ArborMichigan — 64/100DetroitMichigan — 74/100LansingMichigan — 78/100Grand RapidsMichigan — 79/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Great Lakes Water Authority CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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