SHREWSBURY BOROUGH
PWS ID: PA7670088 · SHREWSBURY, Pennsylvania 17361
PFAS Detected
8 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
4,727
Total Violations
754
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,878
- County
- York
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 747
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Mercury | MR | 49 | 2020 |
| Selenium | MR | 49 | 2020 |
| Arsenic | MR | 48 | 2020 |
| Chromium | MR | 48 | 2020 |
| CYANIDE | MR | 48 | 2020 |
| Fluoride | MR | 48 | 2020 |
| Nickel | MR | 48 | 2020 |
| Antimony, Total | MR | 48 | 2020 |
| Beryllium, Total | MR | 48 | 2020 |
| Thallium, Total | MR | 48 | 2020 |
| Cadmium | MR | 48 | 2020 |
| Barium | MR | 48 | 2020 |
| 2,3,7,8-TCDD | MR | 32 | 2020 |
| Nitrite | MR | 18 | 2015 |
| Groundwater Rule | MR | 12 | 2025 |
| 2,4-D | MR | 9 | 2011 |
| 2,4,5-TP | MR | 9 | 2011 |
| Glyphosate | MR | 8 | 2011 |
| OXAMYL | MR | 8 | 2011 |
| Picloram | MR | 8 | 2011 |
| Carbofuran | MR | 8 | 2011 |
| Pentachlorophenol | MR | 8 | 2011 |
| Endothall | MR | 8 | 2011 |
| Dinoseb | MR | 8 | 2011 |
| Dalapon | MR | 8 | 2011 |
| Diquat | MR | 8 | 2011 |
| Nitrate | MR | 4 | 2013 |
| Chlorine | MR | 3 | 2018 |
| Nitrate | MCL | 3 | 2001 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2010 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 41 of 480 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFUnA | 5/16/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFOS | 5/16/2023 | 0.0112 µg/L | 0.004 µg/L | Detected |
| PFDoA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 5/16/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFOA | 5/16/2023 | 0.0059 µg/L | 0.004 µg/L | Detected |
| PFHxA | 5/16/2023 | 0.0042 µg/L | 0.003 µg/L | Detected |
| PFNA | 5/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 5/16/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 5/16/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| HFPO-DA | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 5/16/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFBS | 5/16/2023 | 0.0393 µg/L | 0.003 µg/L | Detected |
| PFMPA | 5/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 5/16/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 8:2 FTS | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 5/16/2023 | 0.0055 µg/L | 0.003 µg/L | Detected |
| PFMBA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 5/16/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 5/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 5/16/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFDoA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 5/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 5/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 5/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 5/16/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| lithium | 5/16/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFHxA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NEtFOSAA | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHpS | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 5/16/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 5/16/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 5/16/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 5/16/2023 | 0.0034 µg/L | 0.003 µg/L | 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.