ST LOUIS CITY PWS
St Louis, MO · 304,709 served
ST LOUIS CITY PWS serves 304,709 people in St Louis, 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)
8
Currently unaddressed
0
Overall score
90/100
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
- Surface water
- Ownership
- Local government
- Service connections
- 96,080
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Is St Louis, MO tap water safe to drink?
ST LOUIS CITY PWS has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Does ST LOUIS CITY PWS have lead in its water?
The most recent 90th-percentile lead sample is 1.8 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in ST LOUIS CITY PWS'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