CALIFORNIA PWS: EPA violation history, explained
CALIFORNIA PWS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 4,423, over 2,127 connections.
CALIFORNIA PWS's record against the rest of the country
Out of 12,903 systems in this dataset, CALIFORNIA PWS ranks 5,289th by violation burden (59th percentile) - 10 violations total, 3 health-baseds.
Against the MO average
CALIFORNIA PWS's 3 health-based violations sit within the MO average of 6.1, across 327 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
CALIFORNIA PWS's most recent violation on record is dated 2025-02-07, with the most recent health-based one dated 2022-01-06. Last reported to EPA: 06/16/2026.
The concern categories on record
CALIFORNIA PWS'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); Revised Total Coliform Rule
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 CALIFORNIA PWS's record does not cover
Everything on this page is CALIFORNIA PWS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 3 health-based violations on file for CALIFORNIA PWS - 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.