California Water Service Co. - Herm/Redo, CA Water Quality
California Water Service Co. - Herm/Redo: EPA violation history, explained
California Water Service Co. - Herm/Redo has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 96,853, over 26,845 connections.
California Water Service Co. - Herm/Redo's record against the rest of the country
California Water Service Co. - Herm/Redo has 4 violations on record in total, 3 of them health-based - ranking it 5,567th of 12,903 systems by violation count, the 57th percentile nationally.
Against the CA average
California Water Service Co. - Herm/Redo's 3 health-based violations sit within the CA average of 5.8, across 804 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
California Water Service Co. - Herm/Redo's most recent violation on record is dated 1995-01-08, with the most recent health-based one dated 1995-01-08. Last reported to EPA: 06/22/2026.
The concern categories on record
California Water Service Co. - Herm/Redo'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 California Water Service Co. - Herm/Redo's record does not cover
California Water Service Co. - Herm/Redo's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 3 health-based violations on file for California Water Service Co. - Herm/Redo - 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.