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

CORNELIUS, CITY OF's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 14,490, over 4,153 connections.

Ranked against every other system in this dataset

39 total violations and 0 health-based ones put CORNELIUS, CITY OF at the 25th percentile nationally for violation burden, rank 9,680 of 12,903.

Against the OR average

OR's 160 covered systems average 6.0 health-based violations each; CORNELIUS, CITY OF 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

CORNELIUS, CITY OF's most recent violation on record is dated 2024-01-01. Last reported to EPA: 06/26/2026.

What CORNELIUS, CITY OF's record does not cover

This is what CORNELIUS, 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. Between the utility's meter and CORNELIUS, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 9,680th of 12,903 by violation count. The guide to what this data misses covers that gap.