Klamath Falls, Oregon Water Quality Report
Water quality data for 17 water systems serving 43,318 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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Connect with a certified water treatment professional in Klamath Falls, Oregon.
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Compliance & Violations
Active Violations (11)
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
75
Apr 10, 2025
2E
Oct 17, 2024
71
Jul 1, 2024
52
Oct 1, 2023
76
Aug 29, 2022
34
Oct 1, 2015
75
Oct 24, 2014
34
Jun 1, 2012
Resolved Violations (489)
3A
Sep 1, 2025 — Sep 30, 2025
71
Jul 1, 2025
3A
Jul 1, 2025 — Jul 31, 2025
71
Jul 1, 2025
71
Jul 1, 2025
+ 484 more resolved violations
Frequently Asked Questions
Is Klamath Falls tap water safe to drink?
Klamath Falls'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 Klamath Falls tap water?
3 contaminants have been detected in Klamath Falls's water supply across 17 water systems. See the full contaminant table above for details.
How can I improve my water quality in Klamath Falls?
Install a water filter rated for the specific contaminants found in Klamath Falls's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Klamath Falls have any water quality violations?
Yes, Klamath Falls currently has 49 active violations. See the violations section above for details.