Siloam Springs Waterworks
PWSID AR0000056 · Siloam Springs, Arkansas · serves 23,940 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 7 ppt | — | 8/2/2023 |
| PFBS | 7 ppt | — | 11/15/2023 |
| PFPeA | 5.5 ppt | — | 8/2/2023 |
| PFPeA | 4.8 ppt | — | 11/15/2023 |
| PFBS | 4.3 ppt | — | 2/8/2023 |
| PFPeA | 4.2 ppt | — | 2/8/2023 |
| PFBS | 4.2 ppt | — | 5/3/2023 |
| PFHxA | 3.8 ppt | — | 11/15/2023 |
| PFHxA | 3.6 ppt | — | 8/2/2023 |
| PFPeA | 3.3 ppt | — | 5/3/2023 |
| PFHxA | 3.2 ppt | — | 2/8/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-07-01 | Revised Total Coliform Rule | MON | No | Resolved |