Is Cheyenne tap water safe to drink?

Yes with good quality

Cheyenne'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
4.5 GPG
Hardness
Not detected
PFAS

1 Issue Detected in Cheyenne

Arsenic Approaching Limit (0.1 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Cheyenne
Wyoming

820,018,200,282,003 · Crow Creek reservoirs and groundwater

Cheyenne, WY Water Quality Report

Low Risk Updated March 2026 65,132 residents
See Best Filters for Cheyenne
85
Purity Score

Contaminant Levels

PFAS
ND
Lead
1.2 ppb
Nitrate
0.4 mg/L
Arsenic
0.1 mg/L
Hardness
4.5 gpg

Health Insights

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

Score

85 /100
Excellent
"Good" threshold (70)

Cheyenne tap water is sourced from Crow Creek reservoirs and groundwater and treated by City of Cheyenne Board of Public Utilities. Overall purity score: 85/100 (Excellent). Updated for 2026.

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Cheyenne Water FAQ

Is Cheyenne WY tap water safe to drink in 2026?
Cheyenne 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 Cheyenne WY use chlorine or chloramine for disinfection?
Cheyenne 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 Cheyenne WY water and what is the TDS level?
Cheyenne water hardness is 4.5 grains per gallon (moderate) with a TDS of 155 ppm (good). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Cheyenne WY drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Cheyenne drinking water.
What is the best water filter for Cheyenne?
Based on Cheyenne's water profile, we recommend the Clearly Filtered Water Pitcher. Cheyenne water scores well overall. A pitcher filter provides extra precaution and improves taste for drinking and cooking.

Nearby Reports

GilletteWyoming — 81/100LaramieWyoming — 85/100SheridanWyoming — 85/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • City of Cheyenne Board of Public Utilities CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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