MONROE WATER SYSTEMS
PWS ID: OH5600812 · LAINGS, Ohio 43752
Population Served
4,334
Total Violations
60
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 1,806
- County
- Monroe
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 40
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 8 | 1997 |
| Consumer Confidence Rule | Other | 6 | 2023 |
| Simazine | MR | 4 | 1996 |
| Atrazine | MR | 4 | 1996 |
| LASSO | MR | 4 | 1996 |
| Endrin | MR | 4 | 1992 |
| BHC-GAMMA | MR | 4 | 1992 |
| Methoxychlor | MR | 4 | 1992 |
| 2,4,5-TP | MR | 4 | 1992 |
| LEAD AND COPPER RULE REVISIONS | TT | 4 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2003 |
| Toxaphene | MR | 4 | 1992 |
| 2,4-D | MR | 4 | 1992 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NMeFOSAA | 7/22/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| ADONA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 7/22/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 7/22/2025 | <9 µg/L | 9 µg/L | Not Detected |
| NEtFOSAA | 7/22/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 7/22/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFHpS | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 7/22/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 7/22/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 7/22/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 7/22/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBA | 7/22/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBS | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 7/22/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 7/22/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 7/22/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 7/22/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 7/22/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 7/22/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 7/22/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 7/22/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 7/22/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| 8:2 FTS | 1/21/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 11Cl-PF3OUdS | 1/21/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 1/21/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 1/21/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 1/21/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 1/21/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 1/21/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 4:2 FTS | 1/21/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 1/21/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMPA | 1/21/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 1/21/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 1/21/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 1/21/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 1/21/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 1/21/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 6:2 FTS | 1/21/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 1/21/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFHpS | 1/21/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 1/21/2025 | <9 µg/L | 9 µg/L | Not Detected |
| NMeFOSAA | 1/21/2025 | <0.006 µg/L | 0.006 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.