San Joaquin, California Water Quality Report
Water quality data for 1 water system serving 4,060 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 35.5 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 355% | Above guideline |
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Compliance & Violations
Resolved Violations (39)
21
Sep 1, 2010 — Sep 30, 2010
21
Sep 1, 2010 — Sep 30, 2010
21
Sep 1, 2010 — Sep 30, 2010
22
Jun 1, 2005 — Jun 30, 2005
22
Jun 1, 2005 — Jun 30, 2005
+ 34 more resolved violations
Frequently Asked Questions
Is San Joaquin tap water safe to drink?
San Joaquin'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 Joaquin tap water?
1 contaminants have been detected in San Joaquin's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in San Joaquin?
Install a water filter rated for the specific contaminants found in San Joaquin's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.