Greeley
Is Greeley tap water safe to drink?
Mostly yes — Greeley scores 97/100. This report aggregates EPA drinking water data across 2 local systems in Greeley. We found 58 total violations (0 unresolved).
Real-Time Environment
Live: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Greeley.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Greeley?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Greeley tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Greeley tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Greeley, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (97/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Greeley
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Greeley.
Frequently Asked Questions
Is Greeley tap water safe to drink?
Mostly yes — Greeley scores 97/100.
How many water systems serve Greeley?
Greeley is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Greeley?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Greeley.
What is the water quality score for Greeley?
The water quality score for Greeley is 97 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Greeley?
The top contaminants detected in Greeley include Lead (90th percentile). View detailed information on our contaminants page.
Greeley Water Quality Summary
Greeley, CO receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Greeley'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.
Greeley's score of 97 is 15 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 homebuyers in this mid-size Colorado city, the tap water delivers excellent peace of mind, supported by stellar performance marks across both of the area's water systems. While Greeley is located in a Mountain West region shaped by a historic hardrock mining legacy, it benefits from high-elevation source water that naturally keeps the supply exceptionally clean. This combination of pristine mountain origins and effective oversight means households can reliably count on high-quality drinking water straight from the tap.
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 →
Key Contaminants
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Water Systems Serving Greeley (2)
Check Your Specific Address
Water quality can vary by neighborhood in Greeley.
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Compare Greeley water quality: View all states · Contaminant library · How we score water quality