ST. JOHN THE EVANGELIST CATHOLIC SCHOOL
PWS ID: MD1030067 · HYDES, Maryland 21082
Population Served
230
Total Violations
57
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Baltimore
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 42
- Treatment Tech Violations
- 10
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 28 | 2023 |
| Lead and Copper Rule | TT | 9 | 2007 |
| Coliform (TCR) | MR | 9 | 2009 |
| Coliform (TCR) | MCL | 4 | 2014 |
| Nitrate | MR | 3 | 2013 |
| Revised Total Coliform Rule | MON | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.