JOHNS HOPKINS HOSPITAL
PWS ID: MD1300001 · BALTIMORE, Maryland 21287-1599
Population Served
2,000
Total Violations
6
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 5
- County
- Baltimore city
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.