Lima, Ohio Water Quality Report
Water quality data for 6 water systems serving 66,263 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (4)
71
Jul 1, 2024
72
Oct 8, 2020
75
Jun 28, 2020
72
Nov 6, 2018
Resolved Violations (496)
27
Sep 1, 2025 — Sep 30, 2025
3A
Sep 1, 2025 — Sep 30, 2025
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
+ 491 more resolved violations
Frequently Asked Questions
Is Lima tap water safe to drink?
Lima's water meets all EPA maximum contaminant levels. However, 3 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Lima tap water?
3 contaminants have been detected in Lima's water supply across 6 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lima?
Install a water filter rated for the specific contaminants found in Lima's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lima have any water quality violations?
Yes, Lima currently has 57 active violations. See the violations section above for details.