MARYSVILLE CITY PWS
PWS ID: OH8000314 · MARYSVILLE, Ohio 43040
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
25,571
Total Violations
110
Health-Based Violations
63
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 11,520
- County
- Union
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 39
- Treatment Tech Violations
- 59
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 55 | 1997 |
| LASSO | MR | 9 | 2005 |
| Atrazine | MR | 9 | 2005 |
| Simazine | MR | 9 | 2005 |
| Arsenic | MR | 4 | 1996 |
| Fluoride | MR | 4 | 1996 |
| Interim Enhanced Surface Water Treatment Rule | MR | 4 | 2008 |
| CARBON, TOTAL | TT | 4 | 2011 |
| Coliform (TCR) | MCL | 4 | 1992 |
| Consumer Confidence Rule | Other | 1 | 2019 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 90 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFUnA | 6/27/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 6/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 6/27/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 6/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 6/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 6/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 6:2 FTS | 6/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDoA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 6/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 6/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 6/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 6/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 6/27/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFMBA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 6/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBS | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 6/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 5/10/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NMeFOSAA | 5/10/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 5/10/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 5/10/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| lithium | 5/10/2023 | 13.4000 µg/L | 9 µg/L | Detected |
| NMeFOSAA | 4/4/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 4/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 4/4/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFTA | 4/4/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFMPA | 3/6/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpA | 3/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 3/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 3/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 3/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 3/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 3/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 3/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 3/6/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFUnA | 3/6/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFDoA | 3/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 3/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 3/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 3/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 3/6/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 3/6/2024 | <0.004 µg/L | 0.004 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.