WaterQ
Wyoming State Report All States
Official Status: March 2026

Is Cheyenne tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Cheyenne scores 97/100.

Safety Score
97
out of 100

Still not sure if you need a filter in Cheyenne?

Read Decision Guide →

Cheyenne

Wyoming

View Wyoming state report Data updated: Mar 2026

Is Cheyenne tap water safe to drink?

Mostly yes — Cheyenne scores 97/100. This report aggregates EPA drinking water data across 1 local system in Cheyenne. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:30 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Cheyenne.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Cheyenne?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Filter or no filter for Cheyenne water? Here's what the data says.

Baby Formula Safety

What new parents in Cheyenne should know about tap water safety.

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Cheyenne, but it can affect plumbing longevity and appliance lifespan. The high safety score (97/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Barium levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Cheyenne

0
Violations (5yr)
0
Unresolved
6
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Cheyenne.

Frequently Asked Questions

Is Cheyenne tap water safe to drink?

Mostly yes — Cheyenne scores 97/100.

How many water systems serve Cheyenne?

Cheyenne is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Cheyenne?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Cheyenne.

What is the water quality score for Cheyenne?

The water quality score for Cheyenne is 97 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Cheyenne?

The top contaminants detected in Cheyenne include Barium, Benzene, Mercury. View detailed information on our contaminants page.

Water Quality Score
97/100
Grade
A
Water Systems
4
Population
76,788

Cheyenne Water Quality Summary

Cheyenne, WY receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 4 public water systems serving the area.

Cheyenne's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Cheyenne's score of 97 is 8 points above the Wyoming state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and homebuyers in this mid-size Mountain West city, the local water infrastructure delivers exceptionally clean drinking water that ranks near the top tier of safety standards. Cheyenne's supply is managed across multiple distribution systems, which helps maintain safety even in a region with active energy industries like oil, gas, and coal extraction. Because the surrounding state is characterized by low population density, the water system faces fewer of the agricultural and urban runoff pressures common in larger metropolitan areas. This combination of reliable utility performance and favorable geography offers reassuring peace of mind for local households.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Wyoming water quality rankings report →

Key Contaminants

Barium
1.9687 / 2 mg/L
0 mg/L MCL: 2 mg/L
Benzene
4.5963 / 5 μg/L
0 μg/L MCL: 5 μg/L
Mercury
0.9421 / 2 μg/L
0 μg/L MCL: 2 μg/L
Atrazine
1.4021 / 3 μg/L
0 μg/L MCL: 3 μg/L
Trichloroethylene (TCE)
1.6305 / 5 μg/L
0 μg/L MCL: 5 μg/L
Perchlorate
2.0901 / 56 μg/L
0 μg/L MCL: 56 μg/L

Get notified if Cheyenne's water quality changes

Free email alert when the EPA reports a new violation or boil-water advisory for your water system. No spam — just the alerts you asked for.

By subscribing you agree to receive occasional water-quality alert emails. Unsubscribe anytime. See our Privacy Policy.

Water Systems Serving Cheyenne (1)

Related

Compare Cheyenne water quality: View all states · Contaminant library · How we score water quality