KNOX COUNTY WATER AND WASTEWATER PWS
PWSID: OH4202012 · MOUNT VERNON, OH · Serving 7,710 people
Type: CWSOwner: PSource: GW
Compliant
All PFAS compounds below EPA Maximum Contaminant Levels.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.
Upgrade to ProDetection summary
N/A ppt
Highest single detection
2023-09-19
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 58 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFOA | ND | 4 | Below MRL | 2023-03-14 |
| HFPO-DA | ND | 10 | Below MRL | 2023-03-14 |
| ADONA | ND | — | Below MRL | 2023-03-14 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2023-03-14 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2023-03-14 |