Centennial
Is Centennial tap water safe to drink?
Mostly yes — Centennial scores 96/100. This report aggregates EPA drinking water data across 3 local systems in Centennial. We found 523 total violations (5 unresolved).
Real-Time Environment
Live: 01:45 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Centennial.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Centennial?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Centennial tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Centennial tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Centennial, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (96/100) 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 Centennial
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Centennial.
Frequently Asked Questions
Is Centennial tap water safe to drink?
Mostly yes — Centennial scores 96/100.
How many water systems serve Centennial?
Centennial is served by 3 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Centennial?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Centennial.
What is the water quality score for Centennial?
The water quality score for Centennial is 96 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.
What are the top contaminants in Centennial?
The top contaminants detected in Centennial include Lead (90th percentile). View detailed information on our contaminants page.
Centennial Water Quality Summary
Centennial, CO receives a water quality score of 96/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.
Centennial'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.
Centennial's score of 96 is 14 points above the Colorado state average of 82, and above the nationwide average of roughly 78/100 across all U.S. states.
In the Mountain West, Centennial's drinking water benefits from high-elevation source water, though local water providers must remain vigilant due to the region's historic hardrock mining legacy. For residents of this mid-size Colorado city, the water delivered across its multiple systems achieves outstanding quality marks, offering regulatory reliability at the tap. Prospective homebuyers looking at properties in the area can feel confident in these consistent high marks, which demonstrate that the local infrastructure successfully safeguards its high-altitude sources from legacy mining impacts.
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 Centennial (3)
Check Your Specific Address
Water quality can vary by neighborhood in Centennial.
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