PWSID
MS0410033
State
Mississippi
City
SHANNON
Population served
3,749
Primary source
Groundwater
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 Oct 2025). Levels in parts per trillion (ppt).
Lithium
21,700 ppt
limit —
Violations & enforcement
209
Violations on record
0
Unaddressed
1
Health-based
114
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Sep 2025. Official EPA record →
Recent enforcement actions
- State action · SOX Sep 2025
- State action · SO+ Mar 2025
- State action · SIF Mar 2025
- State action · SIF Mar 2025
- State action · SOX Feb 2025
- State action · SOX Feb 2025
- State action · SO+ Feb 2025
- State action · SIF May 2024
This profile is built from EPA public records for system MS0410033 — 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.