Is Bloomington tap water safe to drink?

Yes but with caveats

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

79/100
Purity Score
3
Issues Found
8.5 GPG
Hardness
Not detected
PFAS

3 Issues Detected in Bloomington

Moderately Hard Water (8.5 GPG)

Hardness above 7 GPG can cause minor scale buildup.

Hardness data for Bloomington

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Bloomington

Arsenic Approaching Limit (0.2 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Bloomington
Minnesota

554,205,542,555,431 · Mississippi River via Minneapolis

Drinking Water in Bloomington: 2026 Analysis

Moderate Risk Updated March 2026 89,987 residents
79
Purity Score

Mineral content in Bloomington's water supply rates as moderately hard. This guide covers what that means for your home and which filters or softeners address it best.

Health Insights

  • 1
    At 8.5 GPG, Bloomington's water qualifies as moderately hard. This can cause limescale in pipes and shorten appliance lifespan.
  • 2
    Chlorine levels may affect the taste of Bloomington's tap water. A carbon filter improves flavor.

Score

79 /100
Good
"Good" threshold (70)

Bloomington tap water is sourced from Mississippi River via Minneapolis and treated by Minneapolis Water Works. Water hardness is hard at 8.5 GPG which may cause scale buildup. Overall purity score: 79/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Bloomington's 3 issues.

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About Bloomington's Water

Bloomington Hard Water: Effects on Your Home

Hard water conditions in Bloomington (8.5 GPG) can leave white mineral deposits on fixtures, reduce soap lather, and gradually damage water-using appliances. Water heaters are particularly vulnerable: scale insulates the heating element, raising energy costs and reducing lifespan. A water softener exchanging calcium and magnesium for sodium eliminates scale formation throughout the home. For households concerned about sodium in drinking water, pairing a softener with an RO system at the kitchen tap is the standard approach.

Explore Bloomington Water Data

Bloomington Water FAQ

Is Bloomington MN tap water safe to drink in 2026?
Bloomington tap water meets EPA federal drinking water standards and scores 79/100 (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 Bloomington MN use chlorine or chloramine for disinfection?
Bloomington 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 Bloomington MN water and what is the TDS level?
Bloomington water hardness is 8.5 grains per gallon (hard) with a TDS of 280 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 Bloomington MN drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Bloomington drinking water.
What is the best water filter for Bloomington?
Based on Bloomington's water profile, we recommend the AFWFilters 5600sxt 48000 Grain Softener. Bloomington has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Minneapolis Water Works CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

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