Dayton Public Water System
PWSID OH5703512 · Dayton, Ohio · serves 141,407 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 10 ppt | 4 ppt | 9/6/2023 |
| PFHxS | 9.8 ppt | 10 ppt | 9/6/2023 |
| PFHxS | 9.1 ppt | 10 ppt | 6/15/2023 |
| PFHxS | 7.9 ppt | 10 ppt | 3/28/2023 |
| PFOS | 7.3 ppt | 4 ppt | 12/4/2023 |
| PFHxS | 7 ppt | 10 ppt | 12/4/2023 |
| PFOS | 6.5 ppt | 4 ppt | 6/15/2023 |
| PFOS | 6.2 ppt | 4 ppt | 3/28/2023 |
| PFPeA | 4.6 ppt | — | 9/6/2023 |
| PFHxA | 4.4 ppt | — | 9/6/2023 |
| PFHxA | 3.6 ppt | — | 6/15/2023 |
| PFHxA | 3.2 ppt | — | 3/28/2023 |
| PFPeA | 3.2 ppt | — | 6/15/2023 |
| PFHxA | 3.1 ppt | — | 12/4/2023 |
| PFBS | 3 ppt | — | 9/6/2023 |
| PFPeA | 3 ppt | — | 3/28/2023 |
| PFPeA | 3 ppt | — | 12/4/2023 |
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. 🎉