PWSID
IL1617635
State
Illinois
City
PORT BYRON
Population served
350
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
10
Violations on record
0
Unaddressed
1
Health-based
39
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Sep 2024. Official EPA record →
Recent enforcement actions
- State action · SOX Sep 2024
- State action · SIA Dec 2023
- State action · SOX Aug 2022
- State action · SIA Jul 2022
- State action · SOX Nov 2021
- State action · SIF Nov 2021
- State action · SIA Nov 2021
- State action · SOX Sep 2021
This profile is built from EPA public records for system IL1617635 — 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.