CITY OF COLUMBIA UTILITIES
Columbia, MO · 126,254 served
CITY OF COLUMBIA UTILITIES serves 126,254 people in Columbia, MO. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
2
Currently unaddressed
0
Overall score
96/100
Violation history (last 5 years)
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Ground water
- Ownership
- Local government
- Service connections
- 50,207
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Is Columbia, MO tap water safe to drink?
CITY OF COLUMBIA UTILITIES has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Does CITY OF COLUMBIA UTILITIES have lead in its water?
The most recent 90th-percentile lead sample is 2.1 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in CITY OF COLUMBIA UTILITIES's water?
This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
Source: EPA SDWIS/ECHO · Data as of 2026Q2