NELSONVILLE PWS
PWS ID: OH0501214 · NELSONVILLE, Ohio 45764
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
6,656
Total Violations
558
Health-Based Violations
93
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 2,207
- County
- Athens
- School/Daycare
- No
- MCL Violations
- 71
- Monitoring Violations
- 416
- Treatment Tech Violations
- 22
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 57 | 2025 |
| Surface Water Treatment Rule | TT | 22 | 1994 |
| Coliform (TCR) | MR | 15 | 2008 |
| Coliform (TCR) | MCL | 14 | 2010 |
| Nitrate | MR | 12 | 2000 |
| Consumer Confidence Rule | Other | 11 | 2024 |
| 2,4-D | MR | 9 | 1994 |
| Arsenic | MR | 9 | 1990 |
| Barium | MR | 9 | 1990 |
| Cadmium | MR | 9 | 1990 |
| Chromium | MR | 9 | 1990 |
| Fluoride | MR | 9 | 1990 |
| Mercury | MR | 9 | 1990 |
| Selenium | MR | 9 | 1990 |
| Styrene | MR | 9 | 1999 |
| Dalapon | MR | 8 | 1994 |
| Diquat | MR | 8 | 1994 |
| OXAMYL | MR | 8 | 1994 |
| Picloram | MR | 8 | 1994 |
| Dinoseb | MR | 8 | 1994 |
| Aldicarb sulfone | MR | 8 | 1994 |
| Aldicarb | MR | 8 | 1994 |
| Total Polychlorinated Biphenyls (PCB) | MR | 8 | 1994 |
| Endothall | MR | 8 | 1994 |
| Di(2-ethylhexyl) adipate | MR | 8 | 1994 |
| Aldicarb sulfoxide | MR | 8 | 1994 |
| Carbofuran | MR | 8 | 1994 |
| Xylenes, Total | MR | 8 | 1999 |
| 1,1,1-Trichloroethane | MR | 8 | 1999 |
| 1,2-Dichloropropane | MR | 8 | 1999 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFMBA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 8/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 8/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 8/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 8/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFEESA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFOS | 8/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 8/20/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 8/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 8/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBS | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 8/20/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 8/20/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 8/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 8/20/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFHpA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 8/20/2025 | 15.0000 µg/L | 9 µg/L | Detected |
| 11Cl-PF3OUdS | 8/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxS | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 8/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 8/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 8/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMPA | 2/19/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 2/19/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 9Cl-PF3ONS | 2/19/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 4:2 FTS | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 2/19/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 2/19/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 2/19/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 2/19/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 2/19/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 2/19/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 2/19/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NEtFOSAA | 2/19/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 2/19/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMBA | 2/19/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.