Mercer, Missouri Water Quality Report
Water quality data for 2 water systems serving 3,518 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (6)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (156)
02
Jul 1, 2025 — Sep 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
75
Mar 27, 2025
+ 151 more resolved violations
Frequently Asked Questions
Is Mercer tap water safe to drink?
Mercer's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Mercer tap water?
2 contaminants have been detected in Mercer's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Mercer?
Install a water filter rated for the specific contaminants found in Mercer's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Mercer have any water quality violations?
Yes, Mercer currently has 6 active violations. See the violations section above for details.