DEL MAR, CITY OF: EPA violation history, explained

DEL MAR, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 3,919 people through 1,869 service connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, DEL MAR, CITY OF ranks 6,805th by violation burden (47th percentile) - 6 violations total, 2 health-baseds.

How DEL MAR, CITY OF compares within CA

CA's 803 covered systems average 5.8 health-based violations each; DEL MAR, CITY OF carries 2, not more than typical for the state. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

The last violation EPA has on record for DEL MAR, CITY OF is from 2022-01-05 (health-based: 1999-01-11). Last reported to EPA: 06/22/2026.

What kind of problem, specifically

DEL MAR, CITY OF'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 this data is and is not

This is what DEL MAR, CITY OF 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 - 2 health-based violations on file for DEL MAR, CITY OF - 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.