Baltimore, Maryland Water Quality Report
Water quality data for 11 water systems serving 1,601,987 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFPeA | 0.003 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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Compliance & Violations
Active Violations (30)
52
Oct 1, 2022
52
Oct 1, 2022
52
Oct 1, 2022
66
Oct 1, 2019
66
Apr 1, 2019
66
Apr 1, 2019
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Resolved Violations (313)
3A
Jun 1, 2025 — Jun 30, 2025
3A
Jun 1, 2025 — Jun 30, 2025
3A
Jun 1, 2025 — Jun 30, 2025
3A
May 1, 2025 — May 31, 2025
3A
May 1, 2025 — May 31, 2025
+ 308 more resolved violations
Frequently Asked Questions
Is Baltimore tap water safe to drink?
Baltimore's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Baltimore tap water?
1 contaminants have been detected in Baltimore's water supply across 11 water systems. See the full contaminant table above for details.
How can I improve my water quality in Baltimore?
Install a water filter rated for the specific contaminants found in Baltimore's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Baltimore have any water quality violations?
Yes, Baltimore currently has 30 active violations. See the violations section above for details.