MyCleanWater

Irvine, California Water Quality Report

Water quality data for 18 water systems serving 448,371 people.

45
Poor
out of 100

Water Source

18
Water Systems
448K
People Served
Surface water, Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium67.2 No federal limit10.0 ug/L(EPA/USGS HBSL)
672%
Above guideline
PFBA0.008 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFPeA0.004 No federal limit1000.0 ug/L(EWG)
0%
Below guideline

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Compliance & Violations

Active Violations (6)

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

Resolved Violations (494)

01

Jul 1, 2025 — Sep 30, 2025

critical

01

Apr 1, 2025 — Jun 30, 2025

critical

01

Jan 1, 2025 — Mar 31, 2025

critical

72

Oct 1, 2024

minor

01

Oct 1, 2024 — Dec 31, 2024

critical

+ 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.