MyCleanWater

Carlsbad, California Water Quality Report

Water quality data for 3 water systems serving 95,273 people.

100
Excellent
out of 100

Water Source

3
Water Systems
95K
People Served
Surface water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium52.5 No federal limit10.0 ug/L(EPA/USGS HBSL)
525%
Above guideline

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Compliance & Violations

Resolved Violations (2)

3A

Aug 1, 2024 — Aug 31, 2024

minor

36

Aug 1, 2024 — Aug 31, 2024

moderate

Frequently Asked Questions

Is Carlsbad tap water safe to drink?

Carlsbad's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Carlsbad tap water?

1 contaminants have been detected in Carlsbad's water supply across 3 water systems. See the full contaminant table above for details.

How can I improve my water quality in Carlsbad?

Install a water filter rated for the specific contaminants found in Carlsbad's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.