Rosemount
PWSID MN1190019 · Rosemount, Minnesota · serves 26,500 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 70.3 ppt | — | 5/4/2023 |
| PFBA | 57.7 ppt | — | 5/4/2023 |
| PFBA | 56.8 ppt | — | 8/8/2023 |
| PFBA | 53.5 ppt | — | 8/8/2023 |
| PFBA | 41.7 ppt | — | 5/4/2023 |
| PFBA | 36.8 ppt | — | 5/4/2023 |
| PFBA | 33 ppt | — | 8/8/2023 |
| PFBA | 19.9 ppt | — | 9/12/2024 |
| PFBA | 18.3 ppt | — | 5/4/2023 |
| PFBA | 17.9 ppt | — | 8/8/2023 |
| PFBA | 14.9 ppt | — | 8/8/2023 |
| PFBA | 14.9 ppt | — | 5/4/2023 |
| PFBA | 13 ppt | — | 8/8/2023 |
| PFBA | 11.9 ppt | — | 8/8/2023 |
| PFBA | 9.1 ppt | — | 5/4/2023 |
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 | Gross Alpha, Excl. Radon and U | MCL | Yes | Archived |
| 2026-01-01 | Gross Alpha, Excl. Radon and U | MCL | Yes | Archived |
| 2025-10-01 | Gross Alpha, Excl. Radon and U | MCL | Yes | Archived |
| 2022-10-01 | Lead and Copper Rule | MR | No | Resolved |