Boulder, Montana Water Quality Report
Water quality data for 2 water systems serving 1,750 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (17)
51
Oct 1, 2003
51
Oct 1, 2003
51
Oct 1, 2003
51
Oct 1, 2002
51
Oct 1, 2002
51
Oct 1, 2002
51
Jul 1, 2002
51
Jul 1, 2002
51
Jul 1, 2002
51
Oct 1, 2001
51
Oct 1, 2001
51
Oct 1, 2001
51
Jul 1, 2001
51
Jul 1, 2001
51
Jul 1, 2001
Violation
Unknown
Violation
Unknown
Resolved Violations (361)
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
+ 356 more resolved violations
Frequently Asked Questions
Is Boulder tap water safe to drink?
Boulder'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 Boulder tap water?
0 contaminants have been detected in Boulder's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Boulder?
Install a water filter rated for the specific contaminants found in Boulder's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Boulder have any water quality violations?
Yes, Boulder currently has 17 active violations. See the violations section above for details.