Rapid Valley Sanitary District
PWSID SD4600274 · Rapid City, South Dakota · serves 11,408 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 5.8 ppt | 10 ppt | 6/17/2024 |
| PFOS | 5.7 ppt | 4 ppt | 12/2/2024 |
| PFHxS | 3.8 ppt | 10 ppt | 3/18/2024 |
| PFHxS | 3.6 ppt | 10 ppt | 9/3/2024 |
| PFHxS | 3.3 ppt | 10 ppt | 12/2/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉