Is Billings tap water safe to drink?

Yes with good quality

Billings'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.

85/100
Purity Score
1
Issues Found
6.5 GPG
Hardness
Not detected
PFAS

1 Issue Detected in Billings

Arsenic Approaching Limit (0.2 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Billings
Montana

591,015,910,259,103 · Yellowstone River

Is Billings Tap Water Safe? Full Analysis

Low Risk Updated March 2026 117,116 residents
85
Purity Score

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

Health Insights

  • 1
    Billings's water meets current EPA standards. Filtration can improve taste and provide extra safety.

Score

85 /100
Excellent
"Good" threshold (70)

Billings tap water is sourced from Yellowstone River and treated by City of Billings Water Division. Overall purity score: 85/100 (Excellent). Updated for 2026.

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Billings Water FAQ

Is Billings MT tap water safe to drink in 2026?
Billings 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 Billings MT use chlorine or chloramine for disinfection?
Billings uses chlorine as the primary disinfectant with a residual level of 0.8 ppm. Standard activated carbon filters including pitcher filters are effective at removing free chlorine taste and odor.
How hard is Billings MT water and what is the TDS level?
Billings water hardness is 6.5 grains per gallon (moderate) with a TDS of 225 ppm (fair). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Billings MT drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Billings drinking water.
What is the best water filter for Billings?
Based on Billings's water profile, we recommend the Clearly Filtered Water Pitcher. Billings water scores well overall. A pitcher filter provides extra precaution and improves taste for drinking and cooking.

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • City of Billings Water Division CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

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