WaterQ
Colorado State Report All States
Official Status: March 2026

Is Grand Junction tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Grand Junction scores 95/100.

Safety Score
95
out of 100

Still not sure if you need a filter in Grand Junction?

Read Decision Guide →

Grand Junction

Colorado

View Colorado state report Data updated: Mar 2026

Is Grand Junction tap water safe to drink?

Mostly yes — Grand Junction scores 95/100. This report aggregates EPA drinking water data across 0 local systems in Grand Junction. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 10:30 AM
0mm Precipitation

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

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 Grand Junction?

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 Grand Junction water? Here's what the data says.

Baby Formula Safety

What new parents in Grand Junction should know about tap water safety.

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Grand Junction, but it can affect plumbing longevity and appliance lifespan. The high safety score (95/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Current records show no major contaminant spikes, making Grand Junction a preferred choice for health-conscious families.

View Health Risk Glossary →

Compliance Record for Grand Junction

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

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

Frequently Asked Questions

Is Grand Junction tap water safe to drink?

Mostly yes — Grand Junction scores 95/100.

How many water systems serve Grand Junction?

Grand Junction is served by 0 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Grand Junction?

The water quality score for Grand Junction is 95 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Grand Junction?

Current contaminant data for Grand Junction is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
95/100
Grade
A
Water Systems
3
Population
118,536

Grand Junction Water Quality Summary

Grand Junction, CO receives a water quality score of 95/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Grand Junction'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.

Grand Junction's score of 95 is 13 points above the Colorado state average of 82, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and prospective home buyers in Grand Junction, this mid-size Colorado city offers highly rated drinking water sourced from high-elevation Mountain West supplies. Although the broader region carries a historic hardrock mining legacy, the local tap water consistently achieves excellent marks across its multiple distinct water systems. This reliable performance provides peace of mind for households, even in a geography shaped by past industrial mining activities.

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

Get notified if Grand Junction'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 Grand Junction (0)

Water system data coming soon for Grand Junction.

Related

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