CITY OF BALTIMORE Water Quality Report
Population
1,600,000
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 94%
of 49,184 US systems
5-Year Record
⚠️ 25
violations recorded
D
Poor
Safety Grade
25 violations in the past 5 years, including 4 health-based
System Details
- PWSID
- MD0300002
- Population Served
- 1,600,000
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Maryland
- EPA Region
- 3
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0300 | ✕ Health-Based | 1 |
| Contaminant 2378 | ⚠ Monitoring/Reporting | 1 |
| Vinyl Chloride | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2955 | ⚠ Monitoring/Reporting | 1 |
| Trichloroethylene (TCE) | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2968 | ⚠ Monitoring/Reporting | 1 |
| Tetrachloroethylene (PCE) | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2976 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2977 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2979 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2980 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2981 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2982 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2983 | ⚠ Monitoring/Reporting | 1 |
| Chloramine | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2985 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2987 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2989 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2990 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2991 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2992 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2996 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 8000 | ✕ Health-Based | 2 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 1 |
| Nitrate | ⚠ Monitoring/Reporting | 4 |
| Contaminant 2020 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 2959 | ⚠ Monitoring/Reporting | 6 |
| Contaminant 2384 | ⚠ Monitoring/Reporting | 6 |
| Haloacetic Acids (HAA5) | ✕ Health-Based | 1 |
Violation History
2023
22
2022
3
2016
1
2015
21
2009
1
Total violations on record: 48
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Nitrate
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Haloacetic Acids (HAA5), Trichloroethylene (TCE), Tetrachloroethylene (PCE), Vinyl Chloride
How does this compare?
This systemNational average
Grade D
Avg: B-C
48violations total
171% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 240× more people than the national average.