DrinkingWaterCheck

OAKLEY, CITY OF: EPA violation history, explained

OAKLEY, 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. Population served: 2,026, over 1,075 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, OAKLEY, CITY OF ranks 854th by violation burden (93th percentile) - 42 violations total, 21 health-baseds.

Against the KS average

Among the 152 KS systems in this dataset, the average is 8.7 health-based violations - OAKLEY, CITY OF's 21 is above that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

OAKLEY, CITY OF's most recent violation on record is dated 2026-01-01, with the most recent health-based one dated 2026-01-01. Last reported to EPA: 05/15/2026.

The concern categories on record

OAKLEY, 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 OAKLEY, CITY OF's record does not cover

OAKLEY, 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. This record - 21 health-based violations on file for OAKLEY, CITY OF - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.