TERRE HILL BOROUGH
PWS ID: PA7360119 · EAST EARL, Pennsylvania 17519
Population Served
1,295
Total Violations
219
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 659
- County
- Lancaster
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 180
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 43 | 2018 |
| Nitrite | MR | 27 | 2018 |
| Chlorine | MR | 19 | 2016 |
| Radium-228 | MR | 17 | 2017 |
| Consumer Confidence Rule | Other | 14 | 2017 |
| Radium-226 | MR | 12 | 2017 |
| Groundwater Rule | MR | 8 | 2024 |
| Coliform (TCR) | MCL | 8 | 1993 |
| Lead and Copper Rule | MR | 7 | 2018 |
| Cadmium | MR | 5 | 1995 |
| Coliform (TCR) | MR | 4 | 2006 |
| Nitrate | MCL | 4 | 2011 |
| Arsenic | MR | 3 | 1994 |
| Chromium | MR | 3 | 1994 |
| Fluoride | MR | 3 | 1994 |
| Mercury | MR | 3 | 1994 |
| Selenium | MR | 3 | 1994 |
| Antimony, Total | MR | 3 | 1994 |
| Barium | MR | 3 | 1994 |
| Beryllium, Total | MR | 3 | 1994 |
| Nickel | MR | 3 | 1994 |
| CYANIDE | MR | 3 | 1994 |
| Thallium, Total | MR | 3 | 1994 |
| Revised Total Coliform Rule | MON | 2 | 2020 |
| Cadmium | MCL | 2 | 1995 |
| Public Notice | Other | 2 | 2006 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2017 |
| TTHM | MR | 1 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.