Mercer, Pennsylvania Water Quality Report
Water quality data for 3 water systems serving 2,621 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (5)
45
Jul 30, 2025
45
Jul 30, 2025
45
Jul 30, 2025
75
Aug 13, 2021
75
Sep 11, 2014
Resolved Violations (495)
3A
Aug 1, 2025 — Aug 31, 2025
3A
Aug 1, 2025 — Aug 31, 2025
3A
Aug 1, 2025 — Aug 31, 2025
4B
Dec 11, 2024
4B
Dec 11, 2024
+ 490 more resolved violations
Frequently Asked Questions
Is Mercer tap water safe to drink?
Mercer'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 Mercer tap water?
0 contaminants have been detected in Mercer's water supply across 3 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 33 active violations. See the violations section above for details.