DrinkingWaterCheck

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-baseds.

Against the CA average

EL MONTE-CITY, WATER DEPT.'s 5 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

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:

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.