HANNIBAL PWS
PWS ID: MO2010344 · HANNIBAL, Missouri 63401-0000
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
17,108
Total Violations
178
Health-Based Violations
96
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 7,348
- County
- Marion
- School/Daycare
- No
- MCL Violations
- 87
- Monitoring Violations
- 72
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 81 | 2015 |
| Revised Total Coliform Rule | MON | 20 | 2018 |
| Surface Water Treatment Rule | TT | 8 | 2016 |
| Benzene | MR | 6 | 1988 |
| Trichloroethylene | MR | 6 | 1988 |
| Carbon tetrachloride | MR | 6 | 1988 |
| 1,1,1-Trichloroethane | MR | 6 | 1988 |
| 1,2-Dichloroethane | MR | 6 | 1988 |
| 1,1-Dichloroethylene | MR | 6 | 1988 |
| Vinyl chloride | MR | 6 | 1988 |
| p-Dichlorobenzene | MR | 6 | 1988 |
| Revised Total Coliform Rule | MCL | 6 | 2023 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 4 | 2016 |
| Public Notice | Other | 2 | 2013 |
| Long Term 2 Enhanced Surface Water Treatment Rule | Other | 2 | 2016 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 1 | 2016 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| HFPO-DA | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/7/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 8/7/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFBA | 8/7/2024 | 0.0063 µg/L | 0.005 µg/L | Detected |
| 6:2 FTS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMBA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 8/7/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| 8:2 FTS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFTA | 6/11/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 6/11/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 6/11/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFTrDA | 6/11/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NMeFOSAA | 6/11/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFBA | 2/14/2024 | 0.0124 µg/L | 0.005 µg/L | Detected |
| PFUnA | 2/14/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 2/14/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 2/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 2/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 2/14/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFTA | 2/14/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| 6:2 FTS | 2/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 2/14/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 2/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFTrDA | 2/14/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFOS | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 2/14/2024 | <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.