SAN BERNARDINO VALLEY WD: EPA violation history, explained
SAN BERNARDINO VALLEY WD has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 109,608 people get their water from it, across 1 connections.
How this compares nationally
Out of 12,903 systems in this dataset, SAN BERNARDINO VALLEY WD ranks 9,175th by violation burden (29th percentile) - 1 violation total, 1 health-based.
Against the CA average
SAN BERNARDINO VALLEY WD's 1 health-based violations sit within the CA average of 5.8, across 803 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
SAN BERNARDINO VALLEY WD's most recent violation on record is dated 1992-01-04, with the most recent health-based one dated 1992-01-04. Last reported to EPA: 06/22/2026.
The concern categories on record
SAN BERNARDINO VALLEY WD'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 SAN BERNARDINO VALLEY WD's record does not cover
This is what SAN BERNARDINO VALLEY WD 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 - 1 health-based violation on file for SAN BERNARDINO VALLEY WD - 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.