Covina, California Water Quality Report
Water quality data for 7 water systems serving 336,030 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 54.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 540% | Above guideline |
| PFBA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.004 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.003 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.004 | 0.010 ug/L | 0.001 ug/L(EWG) | 38% | Within limit |
| PFOA | 0.007 | 0.004 ug/L | 0.090 ug/L(EWG) | 175% | Above limit |
| PFOS | 0.016 | 0.004 ug/L | 0.300 ug/L(EWG) | 400% | Above limit |
| PFPeA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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 (18)
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Resolved Violations (45)
3A
Apr 1, 2022 — Apr 30, 2022
3A
Apr 1, 2022 — Apr 30, 2022
4B
Feb 1, 2017
4B
Feb 1, 2017
27
Jan 1, 2017 — Mar 31, 2017
+ 40 more resolved violations
Frequently Asked Questions
Is Covina tap water safe to drink?
Covina'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 Covina tap water?
8 contaminants have been detected in Covina's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Covina?
Install a water filter rated for the specific contaminants found in Covina's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Covina have any water quality violations?
Yes, Covina currently has 18 active violations. See the violations section above for details.