Kalispell, Montana Water Quality Report
Water quality data for 73 water systems serving 40,420 people.
Water Source
Detected Contaminants
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (17)
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
52
Oct 1, 2025
2A
Aug 9, 2025
2A
Aug 9, 2025
51
Jul 1, 2025
52
Oct 1, 2022
52
Oct 1, 2022
71
Jul 1, 2021
71
Jul 1, 2021
Resolved Violations (983)
72
Oct 1, 2025
72
Oct 1, 2025
3A
Jul 1, 2025 — Jul 31, 2025
71
Jul 1, 2025
71
Jul 1, 2025
+ 978 more resolved violations
Frequently Asked Questions
Is Kalispell tap water safe to drink?
Kalispell's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Kalispell tap water?
2 contaminants have been detected in Kalispell's water supply across 73 water systems. See the full contaminant table above for details.
How can I improve my water quality in Kalispell?
Install a water filter rated for the specific contaminants found in Kalispell's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Kalispell have any water quality violations?
Yes, Kalispell currently has 79 active violations. See the violations section above for details.