PWSID
IL0210550
State
Illinois
City
STONINGTON
Population served
932
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
No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.
Violations & enforcement
1
Violations on record
0
Unaddressed
0
Health-based
8
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Oct 2006. Official EPA record →
Recent enforcement actions
- State action · SOX Oct 2006
- State action · SIF Jun 2006
- State action · SIE Apr 2006
- State action · SIA Apr 2006
- State action · SIE Sep 1982
- State action · SIA Sep 1982
- State action · SIA Sep 1982
- State action · SIE Sep 1982
This profile is built from EPA public records for system IL0210550 — 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.