Walnut, California Water Quality Report
Water quality data for 1 water system serving 100,941 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 50.1 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 501% | Above guideline |
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Compliance & Violations
Active Violations (3)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (2)
22
Sep 1, 1994 — Sep 30, 1994
22
Sep 1, 1994 — Sep 30, 1994
Frequently Asked Questions
Is Walnut tap water safe to drink?
Walnut'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 Walnut tap water?
1 contaminants have been detected in Walnut's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Walnut?
Install a water filter rated for the specific contaminants found in Walnut's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Walnut have any water quality violations?
Yes, Walnut currently has 3 active violations. See the violations section above for details.