El Monte-City, Water Dept., CA Water Quality
El Monte-City, Water Dept.: EPA violation history, explained
El Monte-City, Water Dept. has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 22,968, over 3,545 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, El Monte-City, Water Dept. ranks 3,740th by violation burden (71th percentile) - 10 violations total, 5 health-based.
Against the CA average
El Monte-City, Water Dept.'s 5 health-based violations sit within the CA average of 5.8, across 804 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
El Monte-City, Water Dept.'s most recent violation on record is dated 2012-01-08, with the most recent health-based one dated 2012-01-08. Last reported to EPA: 06/22/2026.
The concern categories on record
El Monte-City, Water Dept.'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 El Monte-City, Water Dept.'s record does not cover
This is what El Monte-City, Water Dept. 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 - 5 health-based violations on file for El Monte-City, Water Dept. - 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.