Roseville, California Water Quality Report
Water quality data for 7 water systems serving 155,887 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 62.6 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 626% | Above guideline |
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Compliance & Violations
Active Violations (18)
2E
Oct 17, 2024
4G
Oct 17, 2024
52
Oct 1, 2023
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
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Unknown
Resolved Violations (129)
3A
Mar 1, 2021 — Mar 31, 2021
3A
Mar 1, 2021 — Mar 31, 2021
52
Oct 1, 2017
52
Oct 1, 2017
22
Mar 1, 2016 — Mar 31, 2016
+ 124 more resolved violations
Frequently Asked Questions
Is Roseville tap water safe to drink?
Roseville'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 Roseville tap water?
1 contaminants have been detected in Roseville's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Roseville?
Install a water filter rated for the specific contaminants found in Roseville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Roseville have any water quality violations?
Yes, Roseville currently has 18 active violations. See the violations section above for details.