Willow Lake Estates Mhp
PWSID IL0894400 · Elgin, Illinois · serves 920 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 5.4 ppt | — | 10/8/2024 |
| PFPeA | 5.3 ppt | — | 10/8/2024 |
| PFPeA | 4 ppt | — | 1/6/2025 |
| PFHxA | 3.8 ppt | — | 10/8/2024 |
| PFPeA | 3.6 ppt | — | 3/4/2024 |
| PFPeA | 3.3 ppt | — | 6/12/2024 |
| PFHxA | 3.3 ppt | — | 1/6/2025 |
| PFHxA | 3.2 ppt | — | 3/4/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-11-28 | Public Notice | Other | No | Resolved |
| 2025-11-28 | Public Notice | Other | No | Resolved |
| 2025-08-22 | Public Notice | Other | No | Resolved |
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2025-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2024-10-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-10-01 | Chloramine | MR | No | Resolved |
| 2024-10-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2024-10-01 | TTHM | MR | No | Resolved |
| 2023-07-01 | TTHM | MR | No | Resolved |
| 2023-07-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |