Madera Co Md10a-Madera Ranchos, CA Water Quality
What's in Madera Co Md10a-Madera Ranchos's water?
Madera Co Md10a-Madera Ranchos has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 3,172 people through 946 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, Madera Co Md10a-Madera Ranchos ranks 3,822th by violation burden (70th percentile) - 7 violations total, 5 health-based.
Against the CA average
CA's 804 covered systems average 5.8 health-based violations each; Madera Co Md10a-Madera Ranchos carries 5, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
Madera Co Md10a-Madera Ranchos's most recent violation on record is dated 2014-01-04, with the most recent health-based one dated 2014-01-04. Last reported to EPA: 06/22/2026.
The concern categories on record
Madera Co Md10a-Madera Ranchos'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)
- Nitrate / nitrite - flagged from: Nitrate
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 Madera Co Md10a-Madera Ranchos's record does not cover
Everything on this page is Madera Co Md10a-Madera Ranchos's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and Madera Co Md10a-Madera Ranchos's customers' taps is household plumbing, invisible to a system-level record ranked 3,822th of 12,903 by violation count. The guide to what this data misses covers that gap.