CINCINNATI PUBLIC WATER SYSTEM
Cincinnati, OH · 750,200 served
CINCINNATI PUBLIC WATER SYSTEM serves 750,200 people in Cincinnati, OH. It has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
0
Currently unaddressed
0
Overall score
80/100
Violation history (last 5 years)
No violations on record.
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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
- Surface water
- Ownership
- Local government
- Service connections
- 244,716
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Is Cincinnati, OH tap water safe to drink?
CINCINNATI PUBLIC WATER SYSTEM has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Does CINCINNATI PUBLIC WATER SYSTEM 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 CINCINNATI PUBLIC WATER SYSTEM's water?
Yes — PFAS was detected at or above the EPA MCL for 1 of the tracked analytes.
Source: EPA SDWIS/ECHO · Data as of 2026Q2