Santa Cruz, California Water Quality Report
Water quality data for 12 water systems serving 96,871 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 54.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 540% | Above guideline |
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Compliance & Violations
Active Violations (23)
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (215)
01
Apr 1, 2025 — Jun 30, 2025
02
Jan 1, 2025 — Mar 31, 2025
01
Oct 1, 2024 — Dec 31, 2024
01
Jul 1, 2024 — Sep 30, 2024
02
Apr 1, 2024 — Jun 30, 2024
+ 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.