Gaithersburg, Maryland Water Quality Report
Water quality data for 8 water systems serving 874 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (46)
52
Oct 1, 2022
52
Oct 1, 2022
52
Oct 1, 2022
72
Oct 1, 2020
66
Jan 1, 2017
66
Dec 30, 2013
66
Dec 30, 2013
66
Dec 30, 2013
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Resolved Violations (338)
27
Jan 1, 2025 — Jan 31, 2025
27
Jan 1, 2025 — Jan 31, 2025
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
+ 333 more resolved violations
Frequently Asked Questions
Is Gaithersburg tap water safe to drink?
Gaithersburg's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Gaithersburg tap water?
0 contaminants have been detected in Gaithersburg's water supply across 8 water systems. See the full contaminant table above for details.
How can I improve my water quality in Gaithersburg?
Install a water filter rated for the specific contaminants found in Gaithersburg's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Gaithersburg have any water quality violations?
Yes, Gaithersburg currently has 46 active violations. See the violations section above for details.