Rosemead, California Water Quality Report
Water quality data for 15 water systems serving 225,571 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 91.9 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 919% | Above guideline |
| PFBA | 0.005 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.006 | 0.010 ug/L | 0.001 ug/L(EWG) | 56% | Within limit |
| PFOA | 0.008 | 0.004 ug/L | 0.090 ug/L(EWG) | 190% | Above limit |
| PFOS | 0.033 | 0.004 ug/L | 0.300 ug/L(EWG) | 815% | 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 (13)
2E
Oct 17, 2024
4G
Oct 17, 2024
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Resolved Violations (167)
03
Oct 1, 2022 — Dec 31, 2022
03
Oct 1, 2022 — Dec 31, 2022
3A
Oct 1, 2022 — Oct 31, 2022
03
Oct 1, 2022 — Dec 31, 2022
03
Oct 1, 2022 — Dec 31, 2022
+ 162 more resolved violations
Frequently Asked Questions
Is Rosemead tap water safe to drink?
Rosemead'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 Rosemead tap water?
5 contaminants have been detected in Rosemead's water supply across 15 water systems. See the full contaminant table above for details.
How can I improve my water quality in Rosemead?
Install a water filter rated for the specific contaminants found in Rosemead's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Rosemead have any water quality violations?
Yes, Rosemead currently has 13 active violations. See the violations section above for details.