La Mesa, California Water Quality Report
Water quality data for 1 water system serving 277,668 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 26.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 260% | Above guideline |
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Compliance & Violations
No violations on record.
Frequently Asked Questions
Is La Mesa tap water safe to drink?
La Mesa'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 La Mesa tap water?
1 contaminants have been detected in La Mesa's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in La Mesa?
Install a water filter rated for the specific contaminants found in La Mesa's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.