Manteca, California Water Quality Report
Water quality data for 3 water systems serving 85,038 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.004 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.019 | 0.010 ug/L | 0.001 ug/L(EWG) | 190% | Above limit |
| PFOA | 0.007 | 0.004 ug/L | 0.090 ug/L(EWG) | 175% | Above limit |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (4)
4G
Oct 17, 2024
2E
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Resolved Violations (146)
03
Jan 1, 2024 — Dec 31, 2024
03
Jan 1, 2024 — Dec 31, 2024
01
Apr 1, 2019 — Jun 30, 2019
01
Apr 1, 2019 — Jun 30, 2019
01
Jan 1, 2019 — Mar 31, 2019
+ 141 more resolved violations
Frequently Asked Questions
Is Manteca tap water safe to drink?
Manteca's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Manteca tap water?
4 contaminants have been detected in Manteca's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Manteca?
Install a water filter rated for the specific contaminants found in Manteca's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Manteca have any water quality violations?
Yes, Manteca currently has 4 active violations. See the violations section above for details.