Irvine, California Water Quality Report
Water quality data for 18 water systems serving 448,371 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (6)
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
Resolved Violations (494)
01
Jul 1, 2025 — Sep 30, 2025
01
Apr 1, 2025 — Jun 30, 2025
01
Jan 1, 2025 — Mar 31, 2025
72
Oct 1, 2024
01
Oct 1, 2024 — Dec 31, 2024
+ 489 more resolved violations
Frequently Asked Questions
Is Irvine tap water safe to drink?
Irvine's water meets all EPA maximum contaminant levels. However, 3 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Irvine tap water?
3 contaminants have been detected in Irvine's water supply across 18 water systems. See the full contaminant table above for details.
How can I improve my water quality in Irvine?
Install a water filter rated for the specific contaminants found in Irvine's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Irvine have any water quality violations?
Yes, Irvine currently has 42 active violations. See the violations section above for details.