BOROUGH OF AVONDALE
PWS ID: PA1150005 · AVONDALE, Pennsylvania 19311
Population Served
1,108
Total Violations
420
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 362
- County
- Chester
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 389
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 27 | 2009 |
| Groundwater Rule | MR | 25 | 2025 |
| Coliform (TCR) | MR | 24 | 2010 |
| Public Notice | Other | 21 | 2023 |
| Chlorine | MR | 16 | 2012 |
| Hexachlorocyclopentadiene | MR | 14 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 13 | 2007 |
| Pentachlorophenol | MR | 11 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 11 | 2008 |
| Di(2-ethylhexyl) phthalate | MR | 11 | 2008 |
| Benzo(a)pyrene | MR | 11 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2014 |
| Combined Uranium | MR | 9 | 2007 |
| Barium | MR | 7 | 2011 |
| Cadmium | MR | 7 | 2011 |
| Chromium | MR | 7 | 2011 |
| Fluoride | MR | 7 | 2011 |
| Arsenic | MR | 7 | 2011 |
| Selenium | MR | 7 | 2011 |
| TTHM | MR | 7 | 2014 |
| Mercury | MR | 7 | 2011 |
| Consumer Confidence Rule | Other | 6 | 2023 |
| Antimony, Total | MR | 6 | 2011 |
| Beryllium, Total | MR | 6 | 2011 |
| Thallium, Total | MR | 6 | 2011 |
| CYANIDE | MR | 6 | 2011 |
| Nickel | MR | 6 | 2011 |
| cis-1,2-Dichloroethylene | MR | 5 | 2005 |
| Xylenes, Total | MR | 5 | 2005 |
| DICHLOROMETHANE | MR | 5 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.