Madera, California Water Quality Report
Water quality data for 29 water systems serving 85,851 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Resolved Violations (500)
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
+ 495 more resolved violations
Frequently Asked Questions
Is Madera tap water safe to drink?
Madera'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 Madera tap water?
0 contaminants have been detected in Madera's water supply across 29 water systems. See the full contaminant table above for details.
How can I improve my water quality in Madera?
Install a water filter rated for the specific contaminants found in Madera's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Madera have any water quality violations?
Yes, Madera currently has 47 active violations. See the violations section above for details.