Lewiston, California Water Quality Report
Water quality data for 3 water systems serving 724 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (4)
2E
Oct 17, 2024
4G
Oct 17, 2024
52
Oct 1, 2023
52
Oct 1, 2017
Resolved Violations (33)
3A
Jan 1, 2023 — Sep 13, 2023
3A
Jan 1, 2023 — Sep 13, 2023
27
Jan 1, 2019 — Dec 31, 2019
27
Jan 1, 2019 — Dec 31, 2019
71
Jul 1, 2018
+ 28 more resolved violations
Frequently Asked Questions
Is Lewiston tap water safe to drink?
Lewiston's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Lewiston tap water?
0 contaminants have been detected in Lewiston's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lewiston?
Install a water filter rated for the specific contaminants found in Lewiston's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lewiston have any water quality violations?
Yes, Lewiston currently has 4 active violations. See the violations section above for details.