South Elgin
PWSID IL0890800 · South Elgin, Illinois · serves 23,648 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 9.7 ppt | — | 3/5/2025 |
| PFBS | 8.2 ppt | — | 8/23/2023 |
| PFBA | 8 ppt | — | 8/23/2023 |
| PFPeA | 7.6 ppt | — | 3/5/2025 |
| PFPeA | 7.4 ppt | — | 8/23/2023 |
| PFBA | 6.2 ppt | — | 8/23/2023 |
| PFBA | 5.8 ppt | — | 8/23/2023 |
| PFOA | 5.7 ppt | 4 ppt | 8/23/2023 |
| PFBA | 5.6 ppt | — | 2/7/2024 |
| PFBA | 5.5 ppt | — | 2/7/2024 |
| PFOA | 5.1 ppt | 4 ppt | 2/7/2024 |
| PFHxA | 5.1 ppt | — | 3/5/2025 |
| PFHxA | 4.5 ppt | — | 8/23/2023 |
| PFBS | 3.5 ppt | — | 8/23/2023 |
| PFPeA | 3.5 ppt | — | 8/23/2023 |
| PFPeA | 3.3 ppt | — | 8/23/2023 |
| PFPeA | 3.3 ppt | — | 2/7/2024 |
| PFHxA | 3 ppt | — | 8/23/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | Barium | MCL | Yes | Archived |
| 2026-01-01 | Lead and Copper Rule | MR | No | Unaddressed |
| 2025-11-01 | Public Notice | Other | No | Unaddressed |
| 2025-07-02 | Lead and Copper Rule | TT | Yes | Resolved |
| 2024-07-13 | Public Notice | Other | No | Resolved |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2023-07-01 | Lead and Copper Rule | MR | No | Resolved |