PWSID
MO6010588
State
Missouri
City
O FALLON
Population served
32,515
Primary source
SWP
Score history
No change since tracking began Jun 18, 2026.
2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.
PFAS & contaminant readings
Latest detections from EPA’s UCMR5 monitoring (through Sep 2025). Levels in parts per trillion (ppt).
Lithium
28,100 ppt
limit —
PFBA
6.1 ppt
limit —
PFPeA
3.4 ppt
limit —
Violations & enforcement
1
Violations on record
0
Unaddressed
0
Health-based
12
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Sep 2025. Official EPA record →
Recent enforcement actions
- State action · SOX Sep 2025
- State action · SIA Jul 2025
- State action · SIE Jul 2025
- State action · SFG Jul 1991
- State action · SIA Sep 1985
- State action · SIA Sep 1985
- State action · SIA Sep 1984
- State action · SIA Sep 1984
This profile is built from EPA public records for system MO6010588 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.