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WaterSafety

City of Baltimore

Baltimore, Maryland · PWSID: MD0300002

F
Water Safety Score
44/100
1,600,000
Population Served
Surface water
Source Type
3
Health Violations
1
Contaminant Exceedances

Detected Contaminants

ContaminantDetected LevelMCL (Limit)StatusSample Date
E. coli (RTCR)0 presence0 presenceWithin LimitSep 5, 2022
Nitrate5 ppm10 ppmWithin LimitJan 1, 2023
Haloacetic Acids (HAA5)63 ug/l60 ug/lExceeds LimitJan 1, 2016

Violation History

Contaminant 8000
MonitoringSep 1, 2022 - Oct 1, 2022
Resolved
Enforcement: 18
Contaminant 8000
MonitoringSep 1, 2022 - Oct 1, 2022
Resolved
Enforcement: 18
E. coli (RTCR)
ReportingSep 5, 2022 - Sep 6, 2022
Resolved
Enforcement: 18
Nitrate
Health-BasedJan 1, 2023 - Apr 25, 2024
Resolved
Enforcement: 50
Nitrate
Health-BasedJan 1, 2023 - Dec 31, 2023
Open
Enforcement: 24
Nitrate
Health-BasedJan 1, 2023 - Apr 25, 2024
Resolved
Enforcement: 25
Nitrate
Health-BasedJan 1, 2023 - Apr 25, 2024
Resolved
Enforcement: 50
Contaminant 2020
Health-BasedApr 1, 2023 - Sep 8, 2023
Resolved
Enforcement: 27
Contaminant 2020
Health-BasedApr 1, 2023 - Sep 8, 2023
Resolved
Enforcement: 44
Contaminant 2020
Health-BasedApr 1, 2023 - Jun 30, 2023
Open
Enforcement: 27

Frequently Asked Questions

City of Baltimore has a Water Safety Score of F (44/100). The system serves 1,600,000 people and has 3 health violations on record. Check the contaminant table above for specific detected substances.

City of Baltimore has 1 contaminant exceedance above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.

The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.

If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.

Sources: EPA SDWIS, EWG Tap Water Database
Last updated:

Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.