UPPER DAUPHIN MIDDLE SCH
PWS ID: PA7220310 · LYKENS, Pennsylvania 17048
Population Served
779
Total Violations
119
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 1
- County
- Dauphin
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 105
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 32 | 2012 |
| Chlorine | MR | 17 | 2018 |
| Nitrate | MR | 9 | 2003 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2004 |
| TTHM | MR | 4 | 2004 |
| Lead and Copper Rule | MR | 4 | 2017 |
| E. COLI | MR | 4 | 2011 |
| Atrazine | MR | 4 | 2005 |
| LASSO | MR | 4 | 2005 |
| Coliform (TCR) | MCL | 4 | 2013 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2016 |
| 1,1-Dichloroethylene | MR | 1 | 1990 |
| 1,2-Dichloroethane | MR | 1 | 1990 |
| 1,1,1-Trichloroethane | MR | 1 | 1990 |
| Carbon tetrachloride | MR | 1 | 1990 |
| Trichloroethylene | MR | 1 | 1990 |
| Benzene | MR | 1 | 1990 |
| cis-1,2-Dichloroethylene | MR | 1 | 1990 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 1990 |
| DICHLOROMETHANE | MR | 1 | 1990 |
| o-Dichlorobenzene | MR | 1 | 1990 |
| trans-1,2-Dichloroethylene | MR | 1 | 1990 |
| CHLOROBENZENE | MR | 1 | 1990 |
| Toluene | MR | 1 | 1990 |
| Styrene | MR | 1 | 1990 |
| Ethylbenzene | MR | 1 | 1990 |
| ETHYLENE DIBROMIDE | MR | 1 | 1990 |
| 1,2-Dichloropropane | MR | 1 | 1990 |
| Tetrachloroethylene | MR | 1 | 1990 |
| 1,1,2-Trichloroethane | MR | 1 | 1990 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.