San Clemente, California Water Quality Report
Water quality data for 3 water systems serving 51,689 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 60.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 600% | Above guideline |
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Compliance & Violations
Active Violations (9)
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Resolved Violations (78)
71
Jul 1, 2025
71
Jul 1, 2025
45
May 17, 2024
45
May 17, 2024
45
May 17, 2024
+ 73 more resolved violations
Frequently Asked Questions
Is San Clemente tap water safe to drink?
San Clemente'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 San Clemente tap water?
1 contaminants have been detected in San Clemente's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in San Clemente?
Install a water filter rated for the specific contaminants found in San Clemente's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does San Clemente have any water quality violations?
Yes, San Clemente currently has 9 active violations. See the violations section above for details.