California Rehabilitation Center - Norco, CA Water Quality
What's in California Rehabilitation Center - Norco's water?
California Rehabilitation Center - Norco has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 4,300, over 1,303 connections.
How this compares nationally
35 total violations and 22 health-based ones put California Rehabilitation Center - Norco at the 94th percentile nationally for violation burden, rank 816 of 12,903.
How California Rehabilitation Center - Norco compares within CA
CA's 804 covered systems average 5.8 health-based violations each; California Rehabilitation Center - Norco carries 22, 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 California Rehabilitation Center - Norco is from 2019-08-06 (health-based: 2015-01-09). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
California Rehabilitation Center - Norco'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)
- Other regulated metals - flagged from: Fluoride
- Disinfection byproducts - flagged from: Tthm
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 California Rehabilitation Center - Norco 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. This record - 22 health-based violations on file for California Rehabilitation Center - Norco - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.