WaterSafety — Is Your Tap Water Safe?

Skip to main content

Rankings States Contaminants Compare Tools Blog Search

C

Denver Water Board

Safety Score: 72/100

8 violations on record. Serves 1,287,000 people.

View full report →

Data from WaterSafety

WaterSafety

Is your tap water safe? Check any US water system's violation history and Water Safety Score. Data from EPA SDWIS, updated quarterly.

Contaminants

Lead PFAS / Forever Chemicals Arsenic Nitrate Trihalomethanes

Tools

Worst Water Systems Best Water Systems Compare Systems Search by Zip Tools Water Safety Checker Contaminant Lookup Health Risk Report 2026 Report Grade A Systems Grade F Systems Health Violations Large Systems Surface Water

Resources

Blog Methodology Privacy Policy

Data sourced from EPA Safe Drinking Water Information System (SDWIS). Not affiliated with the US Environmental Protection Agency.