NORTH READING WATER DEPT.
PWS ID: MA3213000 · NORTH READING, Massachusetts 01864
PFAS Detected
3 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
16,054
Total Violations
61
Health-Based Violations
13
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 4,962
- County
- Middlesex
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 44
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 5 | 2020 |
| Coliform (TCR) | MCL | 4 | 2013 |
| Lead and Copper Rule | MR | 2 | 2006 |
| Chlorine | MR | 2 | 2013 |
| Revised Total Coliform Rule | TT | 2 | 2019 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 2014 |
| Lead and Copper Rule | TT | 2 | 1993 |
| Radium-226 | MR | 2 | 2014 |
| ETHYLENE DIBROMIDE | MR | 1 | 2007 |
| Heptachlor epoxide | MR | 1 | 2007 |
| Methoxychlor | MR | 1 | 2007 |
| BHC-GAMMA | MR | 1 | 2007 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 2007 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2007 |
| TTHM | MR | 1 | 2007 |
| Benzo(a)pyrene | MR | 1 | 2007 |
| Dalapon | MR | 1 | 2007 |
| Endothall | MR | 1 | 2007 |
| Glyphosate | MR | 1 | 2007 |
| HEXACHLOROBENZENE | MR | 1 | 2007 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2007 |
| Simazine | MR | 1 | 2007 |
| Carbofuran | MR | 1 | 2007 |
| Chlordane | MR | 1 | 2007 |
| Gross Beta Particle Activity | MR | 1 | 1996 |
| Tritium | MR | 1 | 1996 |
| Dinoseb | MR | 1 | 2007 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2007 |
| Pentachlorophenol | MR | 1 | 2007 |
| Toxaphene | MR | 1 | 2007 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NMeFOSAA | 7/1/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| 8:2 FTS | 7/1/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 7/1/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 7/1/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 7/1/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 7/1/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeA | 7/1/2024 | 0.0030 µg/L | 0.003 µg/L | Detected |
| HFPO-DA | 7/1/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 7/1/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 7/1/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 7/1/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFHpA | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 7/1/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFDA | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 7/1/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 7/1/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| lithium | 7/1/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFHxS | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 7/1/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFBS | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 7/1/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 7/1/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 7/1/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 7/1/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 4/2/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 4/2/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 4/2/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 4/2/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 4/2/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFHxA | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 4/10/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDA | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 4/10/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 4/10/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 4/10/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 6:2 FTS | 4/10/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 4/10/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 4:2 FTS | 4/10/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 4/10/2024 | <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.