TRI CNTY JT MUNI AUTH
PWS ID: PA5630045 · FREDERICKTOWN, Pennsylvania 15333
Population Served
10,100
Total Violations
952
Health-Based Violations
391
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 3,400
- County
- Washington
- School/Daycare
- No
- MCL Violations
- 347
- Monitoring Violations
- 246
- Treatment Tech Violations
- 44
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 330 | 2025 |
| Public Notice | Other | 284 | 2025 |
| Surface Water Treatment Rule | MR | 57 | 2016 |
| CARBON, TOTAL | MR | 33 | 2019 |
| CARBON, TOTAL | TT | 31 | 2018 |
| Consumer Confidence Rule | Other | 23 | 2020 |
| Interim Enhanced Surface Water Treatment Rule | MR | 18 | 2025 |
| TTHM | MR | 14 | 2016 |
| Benzo(a)pyrene | MCL | 11 | 2018 |
| Chlorine | MR | 10 | 2016 |
| Benzo(a)pyrene | MR | 8 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2015 |
| Revised Total Coliform Rule | TT | 7 | 2025 |
| Revised Total Coliform Rule | MON | 6 | 2016 |
| Revised Total Coliform Rule | RPT | 6 | 2024 |
| Coliform (TCR) | MCL | 4 | 2013 |
| Trichloroethylene | MR | 4 | 2013 |
| Groundwater Rule | TT | 4 | 2025 |
| HEXACHLOROBENZENE | MR | 4 | 2024 |
| ETHYLENE DIBROMIDE | MR | 4 | 2011 |
| Asbestos | MR | 3 | 2011 |
| Chromium | MR | 3 | 2016 |
| Fluoride | MR | 3 | 2016 |
| Mercury | MR | 3 | 2016 |
| Selenium | MR | 3 | 2016 |
| Cadmium | MR | 3 | 2016 |
| Arsenic | MR | 3 | 2016 |
| Barium | MR | 3 | 2016 |
| Nitrate | MR | 3 | 1993 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 2 | 2007 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 90 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NMeFOSAA | 6/12/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFMBA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 6/12/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 6/12/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 6/12/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 6/12/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 6/12/2025 | <9 µg/L | 9 µg/L | Not Detected |
| PFPeA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 6/12/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFUnA | 6/12/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMPA | 6/12/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBS | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 6/12/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 6/12/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 6/12/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 6/12/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 6/12/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 6/12/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 6/12/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDoA | 6/12/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 6/12/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 6/12/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 3/20/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 3/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 3/20/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 3/20/2025 | <9 µg/L | 9 µg/L | Not Detected |
| PFTA | 3/20/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFPeS | 3/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 3/20/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 3/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 3/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 3/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 3/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 3/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 3/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 11Cl-PF3OUdS | 3/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHpA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 3/20/2025 | <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.