Ann Arbor
PWSID MI0000220 · Ann Arbor, Michigan · serves 123,851 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 6.1 ppt | — | 9/13/2023 |
| PFPeA | 4.7 ppt | — | 9/13/2023 |
| PFHxA | 3.5 ppt | — | 9/13/2023 |
| PFPeA | 3.1 ppt | — | 6/7/2023 |
| PFPeA | 3 ppt | — | 3/16/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Unaddressed |