PWSID
IL1115125
State
Illinois
City
NORTHBROOK
Population served
1,012
Primary source
GWP
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
2
Violations on record
1
Unaddressed
0
Health-based
10
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Aug 2025. Official EPA record →
Recent enforcement actions
- State action · SIF Aug 2025
- State action · SIA Jul 2025
- State action · SIE Jul 2025
- State action · SIA Jul 2025
- State action · SIE Jul 2025
- State action · SOX Jun 2025
- State action · SIE Sep 1982
- State action · SIA Sep 1982
This profile is built from EPA public records for system IL1115125 — 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.