NORTHERN KENTUCKY WATER DISTRICT: EPA violation history, explained

NORTHERN KENTUCKY WATER DISTRICT's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 259,949, over 90,310 connections.

NORTHERN KENTUCKY WATER DISTRICT's record against the rest of the country

NORTHERN KENTUCKY WATER DISTRICT has 142 violations on record in total, 0 of thems health-based - ranking it 9,334th of 12,903 systems by violation count, the 28th percentile nationally.

How NORTHERN KENTUCKY WATER DISTRICT compares within KY

KY's 273 covered systems average 9.4 health-based violations each; NORTHERN KENTUCKY WATER DISTRICT carries 0, not 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 NORTHERN KENTUCKY WATER DISTRICT is from 2016-01-05. Last reported to EPA: 06/18/2026.

What this data is and is not

Everything on this page is NORTHERN KENTUCKY WATER DISTRICT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 142 logged violations can see. The guide to what this data misses covers that gap.