DrinkingWaterCheck

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

COFFEYVILLE, CITY OF had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 8,847 people through 4,298 service connections.

COFFEYVILLE, CITY OF's record against the rest of the country

22 total violations and 20 health-based ones put COFFEYVILLE, CITY OF at the 93th percentile nationally for violation burden, rank 915 of 12,903.

How COFFEYVILLE, CITY OF compares within KS

KS's 152 covered systems average 8.7 health-based violations each; COFFEYVILLE, CITY OF carries 20, more than typical for the state. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for COFFEYVILLE, CITY OF is from 2024-01-01 (health-based: 2024-01-01). Last reported to EPA: 05/15/2026.

What kind of problem, specifically

COFFEYVILLE, 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 this data is and is not

COFFEYVILLE, CITY OF'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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 22 logged violations can see. The guide to what this data misses covers that gap.