DrinkingWaterCheck

What's in CORCORAN, CITY OF's water?

CORCORAN, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 22,808, over 3,698 connections.

How this compares nationally

CORCORAN, CITY OF has 10 violations on record in total, 3 of thems health-based - ranking it 5,270th of 12,903 systems by violation count, the 59th percentile nationally.

Against the CA average

CORCORAN, CITY OF's 3 health-based violations sit within the CA average of 5.8, across 803 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

CORCORAN, CITY OF's most recent violation on record is dated 2014-01-01, with the most recent health-based one dated 2010-01-07. Last reported to EPA: 06/22/2026.

The concern categories on record

CORCORAN, 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:

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 CORCORAN, CITY OF's record does not cover

This is what CORCORAN, 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 10 logged violations can see. The guide to what this data misses covers that gap.