Sauk Rapids
PWSID MN1050004 · Sauk Rapids, Minnesota · serves 13,835 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 34.2 ppt | 10 ppt | 7/17/2023 |
| PFHxS | 30.3 ppt | 10 ppt | 2/20/2024 |
| PFHxS | 17.7 ppt | 10 ppt | 2/20/2024 |
| PFBA | 14.6 ppt | — | 2/20/2024 |
| PFOS | 12 ppt | 4 ppt | 2/20/2024 |
| PFHxS | 11.2 ppt | 10 ppt | 7/17/2023 |
| PFBA | 10.2 ppt | — | 7/17/2023 |
| PFBS | 9.1 ppt | — | 2/20/2024 |
| PFOA | 8.1 ppt | 4 ppt | 2/20/2024 |
| PFBA | 8 ppt | — | 2/20/2024 |
| PFHxA | 7.4 ppt | — | 2/20/2024 |
| PFOS | 6.9 ppt | 4 ppt | 7/17/2023 |
| PFBS | 6.1 ppt | — | 7/17/2023 |
| PFBA | 6.1 ppt | — | 7/17/2023 |
| PFPeA | 6 ppt | — | 2/20/2024 |
| PFBA | 5.8 ppt | — | 2/20/2024 |
| PFOA | 5.7 ppt | 4 ppt | 7/17/2023 |
| PFBS | 5.6 ppt | — | 2/20/2024 |
| PFOA | 5.3 ppt | 4 ppt | 2/20/2024 |
| PFHxA | 5.2 ppt | — | 7/17/2023 |
| PFOA | 5 ppt | 4 ppt | 7/17/2023 |
| PFOS | 4.9 ppt | 4 ppt | 2/20/2024 |
| PFHxA | 4.7 ppt | — | 2/20/2024 |
| PFHxA | 4.4 ppt | — | 7/17/2023 |
| PFOS | 4.4 ppt | 4 ppt | 7/17/2023 |
| PFBS | 4.2 ppt | — | 7/17/2023 |
| PFPeA | 4 ppt | — | 7/17/2023 |
| PFHpA | 3.6 ppt | — | 2/20/2024 |
| PFBS | 3.1 ppt | — | 2/20/2024 |
| PFPeA | 3 ppt | — | 7/17/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2024-10-01 | Combined Radium (-226 and -228) | MR | No | Resolved |