CITY OF BALTIMORE
PWSID: MD0300002 · Baltimore, MD · Serves 1,600,000 people
According to EPA Safe Drinking Water Information System (SDWIS), CITY OF BALTIMORE (PWSID MD0300002) in Baltimore, MD is listed as a CWS water system covering about 1,600,000 people. The same extract lists 4 health-based violation records spanning 2009-2022. Those 4 health-based rows for CITY OF BALTIMORE cover contaminants such as Revised Total Coliform Rule, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CITY OF BALTIMORE has 4 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including Revised Total Coliform Rule, Total Haloacetic Acids (HAA5), Interim Enhanced Surface Water Treatment Rule. Recorded violations span 2009–2022. Day-to-day primacy enforcement for this system runs through the Maryland drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Maryland state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MD0300002
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Baltimore, MD
- Population Served
- 1,600,000
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 2 | 2 |
| Total Haloacetic Acids (HAA5) | 1 | 1 |
| Interim Enhanced Surface Water Treatment Rule | 1 | 1 |
Violation History (4)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Sep 1, 2022 |
| Revised Total Coliform Rule | Yes | Sep 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2016 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Apr 1, 2009 |
Frequently Asked Questions
What does EPA SDWIS list for CITY OF BALTIMORE?
How many people does CITY OF BALTIMORE serve?
What violations does CITY OF BALTIMORE have?
What contaminants have been found in CITY OF BALTIMORE water?
Compare beyond Maryland
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CITY OF BALTIMORE on cumulative violation count (4) and EPA-reported population served (1,600,000). Violation-count peers include Santo Domingo Pueblo, Isleta Eastside, PARSHALL-LUCKY MOUND. Population peers include PHILADELPHIA WATER DEPARTMENT, LAS VEGAS VALLEY WATER DISTRICT, PHOENIX CITY OF.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
CITY OF BALTIMORE (MD0300002) is drawn from EPA SDWIS. Nearby county systems in this extract include JOHNS HOPKINS UNIVERSITY; KESWICK MULTI-CARE CENTER; CAMPUS HILLS WATER WORKS. Health-based rows (4 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.