Is OROSI PUBLIC UTILITY DISTRICT's water safe to drink?
OROSI PUBLIC UTILITY DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 8,300 people get their water from it, across 1,601 connections.
Ranked against every other system in this dataset
9 total violations and 6 health-based ones put OROSI PUBLIC UTILITY DISTRICT at the 75th percentile nationally for violation burden, rank 3,275 of 12,903.
How OROSI PUBLIC UTILITY DISTRICT compares within CA
CA's 803 covered systems average 5.8 health-based violations each; OROSI PUBLIC UTILITY DISTRICT carries 6, more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for OROSI PUBLIC UTILITY DISTRICT is from 1998-01-01 (health-based: 1998-01-01). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
OROSI PUBLIC UTILITY DISTRICT'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 OROSI PUBLIC UTILITY DISTRICT 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 9 logged violations can see. The guide to what this data misses covers that gap.