Is Boulder City tap water safe to drink?

Yes but with caveats

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

76/100
Purity Score
2
Issues Found
17 GPG
Hardness
Not detected
PFAS

2 Issues Detected in Boulder City

Very Hard Water (17 GPG)

Hard water causes scale in pipes and shortens appliance lifespan.

Hardness data for Boulder City

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Boulder City
Nevada

Surface water (Colorado River)

Boulder City Water Hardness and Quality Report

Moderate Risk Updated February 2026
76
Purity Score

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

Health Insights

  • 1
    With a hardness of 17 GPG, Boulder City residents may notice white scale on faucets. Hard water increases maintenance costs.
  • 2
    Chlorine levels may affect the taste of Boulder City's tap water. A carbon filter improves flavor.

Score

76 /100
Good
"Good" threshold (70)

Sourced directly from Lake Mead; the water is very hard but meets all federal safety standards. Sources: Boulder City CCR.

Fix Your Water

Best filters matched to Boulder City's 2 issues.

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About Boulder City's Water

Boulder City Hard Water: Effects on Your Home

Hard water conditions in Boulder City (17 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 Boulder City Water Data

Boulder City Water FAQ

How hard is Boulder City water?
It is very hard, averaging 17 Grains Per Gallon.
Does Boulder City have PFAS?
No, current monitoring shows no detections.
Is the water safe to drink?
Yes, it meets all EPA and state health requirements.
What is the best water filter for Boulder City?
Based on Boulder City's water profile, we recommend the AFWFilters 5600sxt 48000 Grain Softener. Similar to Henderson, the high hardness of the Colorado River requires softening to manage scale. Sources: City of Boulder City Utilities.

Nearby Reports

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Boulder City Utilities CCR
  • USGS monitoring data

PurityMap compiles public data. Updated February 2026.

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