El Cajon, California Water Quality Report
Water quality data for 1 water system serving 12,350 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 20.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 200% | Above guideline |
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Compliance & Violations
Active Violations (53)
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Resolved Violations (50)
34
Sep 1, 2019
03
Oct 1, 2015 — Dec 31, 2015
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Jun 1, 2013
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Jun 1, 2013 — Jun 30, 2013
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Mar 1, 2013 — Mar 31, 2013
+ 45 more resolved violations
Frequently Asked Questions
Is El Cajon tap water safe to drink?
El Cajon'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 El Cajon tap water?
1 contaminants have been detected in El Cajon's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in El Cajon?
Install a water filter rated for the specific contaminants found in El Cajon's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does El Cajon have any water quality violations?
Yes, El Cajon currently has 53 active violations. See the violations section above for details.