COMPTON-CITY, WATER DEPT.: EPA violation history, explained

COMPTON-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. 74,877 people get their water from it, across 14,562 connections.

Ranked against every other system in this dataset

7 total violations and 0 health-based ones put COMPTON-CITY, WATER DEPT. at the 17th percentile nationally for violation burden, rank 10,737 of 12,903.

How COMPTON-CITY, WATER DEPT. compares within CA

CA's 803 covered systems average 5.8 health-based violations each; COMPTON-CITY, WATER DEPT. carries 0, not more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for COMPTON-CITY, WATER DEPT. is from 2019-01-01. Last reported to EPA: 06/22/2026.

What this data is and is not

COMPTON-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 COMPTON-CITY, WATER DEPT.'s customers' taps is household plumbing, invisible to a system-level record ranked 10,737th of 12,903 by violation count. The guide to what this data misses covers that gap.