IL AMERICAN-PEORIA
High Risk1 PFAS compound(s) exceed EPA Maximum Contaminant Levels
This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.
6
PFAS Detected
1
Above EPA Limits
38
ZIPs Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 6.50ppt | 163% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 20800.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 8.80ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 7.50ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 7.40ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.80ppt | No federal limit | — | Unregulated |
ZIP Codes Served by This Utility
61523 61525 61526 61528 61536 61539 61547 61552 61601 61602 61603 61604 61605 61606 61607 61612 61613 61614 61615 61616 61625 61629 61630 61633 61634 61636 61637 61638 61639 61641 61643 61650 61651 61652 61653 61654 61655 61656
Click any ZIP to see the full result page for that area.
About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
IL1435030
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor