Is MADERA VALLEY WATER COMPANY's water safe to drink?
MADERA VALLEY WATER COMPANY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 6,494, over 2,008 connections.
MADERA VALLEY WATER COMPANY's record against the rest of the country
MADERA VALLEY WATER COMPANY has 7 violations on record in total, 4 of thems health-based - ranking it 4,514th of 12,903 systems by violation count, the 65th percentile nationally.
How MADERA VALLEY WATER COMPANY compares within CA
CA's 803 covered systems average 5.8 health-based violations each; MADERA VALLEY WATER COMPANY carries 4, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for MADERA VALLEY WATER COMPANY is from 2006-01-12 (health-based: 2002-01-05). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
MADERA VALLEY WATER COMPANY's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
This is what MADERA VALLEY WATER COMPANY reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and MADERA VALLEY WATER COMPANY's customers' taps is household plumbing, invisible to a system-level record ranked 4,514th of 12,903 by violation count. The guide to what this data misses covers that gap.