CONSTELLATION NUCLEAR PWR PLNT
PWS ID: PA1460847 · POTTSTOWN, Pennsylvania 19464
Population Served
1,650
Total Violations
123
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 9
- County
- Montgomery
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 112
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 10 | 1996 |
| BHC-GAMMA | MR | 10 | 1996 |
| Methoxychlor | MR | 10 | 1996 |
| ETHYLENE DIBROMIDE | MR | 10 | 1996 |
| LASSO | MR | 8 | 1996 |
| Atrazine | MR | 8 | 1996 |
| Simazine | MR | 7 | 1996 |
| Arsenic | MR | 7 | 2006 |
| Public Notice | Other | 4 | 2006 |
| Arsenic | MCL | 4 | 2005 |
| CYANIDE | MR | 3 | 1997 |
| Fluoride | MR | 3 | 1997 |
| Nickel | MR | 3 | 1997 |
| Selenium | MR | 3 | 1997 |
| Antimony, Total | MR | 3 | 1997 |
| Nitrate | MR | 3 | 1999 |
| Beryllium, Total | MR | 3 | 1997 |
| Barium | MR | 3 | 1997 |
| Mercury | MR | 3 | 1997 |
| Chromium | MR | 3 | 1997 |
| Cadmium | MR | 3 | 1997 |
| Thallium, Total | MR | 3 | 1997 |
| Chlorine | MR | 2 | 2011 |
| Coliform (TCR) | MR | 2 | 1998 |
| Lead and Copper Rule | MR | 2 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.