La Grande, Oregon Water Quality Report
Water quality data for 3 water systems serving 13,716 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (14)
Violation
Unknown
Violation
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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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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Unknown
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Unknown
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Unknown
Resolved Violations (235)
71
Jul 1, 2025
71
Jul 1, 2025
3A
Sep 1, 2024 — Sep 30, 2024
3A
Sep 1, 2024 — Sep 30, 2024
31
Jul 1, 2023 — Jul 31, 2023
+ 230 more resolved violations
Frequently Asked Questions
Is La Grande tap water safe to drink?
La Grande'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 La Grande tap water?
0 contaminants have been detected in La Grande's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in La Grande?
Install a water filter rated for the specific contaminants found in La Grande's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does La Grande have any water quality violations?
Yes, La Grande currently has 14 active violations. See the violations section above for details.