CERES, CITY OF: EPA violation history, explained
CERES, CITY OF has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. 54,513 people get their water from it, across 11,881 connections.
CERES, CITY OF's record against the rest of the country
16 total violations and 11 health-based ones put CERES, CITY OF at the 86th percentile nationally for violation burden, rank 1,822 of 12,903.
How CERES, CITY OF compares within CA
CA's 803 covered systems average 5.8 health-based violations each; CERES, CITY OF carries 11, 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 CERES, CITY OF is from 2025-05-10 (health-based: 2025-05-10). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CERES, 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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Radionuclides - flagged from: Combined Uranium
- Nitrate / nitrite - flagged from: Nitrate
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
This is what CERES, 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 16 logged violations can see. The guide to what this data misses covers that gap.