SOUTH BEND WATER WORKS
High Risk2 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.
8
PFAS Detected
2
Above EPA Limits
19
ZIPs Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 25.60ppt | 256% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 10.00ppt | 250% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 39.70ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 23.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 20.80ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 8.70ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 8.30ppt | No federal limit | — | Unregulated |
PFPeS | 7.20ppt | No federal limit | — | Unregulated |
ZIP Codes Served by This Utility
46530 46544 46552 46554 46556 46601 46613 46614 46615 46616 46617 46619 46624 46628 46634 46635 46637 46660 46680
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)
IN5271014
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor