MyCleanWater

Santa Cruz, California Water Quality Report

Water quality data for 12 water systems serving 96,871 people.

45
Poor
out of 100

Water Source

12
Water Systems
97K
People Served
Surface water, Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium54.0 No federal limit10.0 ug/L(EPA/USGS HBSL)
540%
Above guideline

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Compliance & Violations

Active Violations (23)

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

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Violation

Unknown

minor

Resolved Violations (215)

01

Apr 1, 2025 — Jun 30, 2025

critical

02

Jan 1, 2025 — Mar 31, 2025

critical

01

Oct 1, 2024 — Dec 31, 2024

critical

01

Jul 1, 2024 — Sep 30, 2024

critical

02

Apr 1, 2024 — Jun 30, 2024

critical

+ 210 more resolved violations

Frequently Asked Questions

Is Santa Cruz tap water safe to drink?

Santa Cruz'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 Santa Cruz tap water?

1 contaminants have been detected in Santa Cruz's water supply across 12 water systems. See the full contaminant table above for details.

How can I improve my water quality in Santa Cruz?

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

Does Santa Cruz have any water quality violations?

Yes, Santa Cruz currently has 23 active violations. See the violations section above for details.