What's in CERRITOS - CITY, WATER DEPT.'s water?

CERRITOS - CITY, WATER DEPT.'s only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 47,475 people get their water from it, across 15,342 connections.

Ranked against every other system in this dataset

2 total violations and 0 health-based ones put CERRITOS - CITY, WATER DEPT. at the 8th percentile nationally for violation burden, rank 11,891 of 12,903.

Against the CA average

Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - CERRITOS - CITY, WATER DEPT.'s 0 is at or below that. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

CERRITOS - CITY, WATER DEPT.'s most recent violation on record is dated 2026-05-12. Last reported to EPA: 06/22/2026.

What CERRITOS - CITY, WATER DEPT.'s record does not cover

CERRITOS - CITY, WATER DEPT.'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. Between the utility's meter and CERRITOS - CITY, WATER DEPT.'s customers' taps is household plumbing, invisible to a system-level record ranked 11,891th of 12,903 by violation count. The guide to what this data misses covers that gap.