CORVALLIS, CITY OF: EPA violation history, explained

CORVALLIS, 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: 61,468, over 17,489 connections.

Ranked against every other system in this dataset

CORVALLIS, CITY OF has 31 violations on record in total, 0 of thems health-based - ranking it 9,782th of 12,903 systems by violation count, the 24th percentile nationally.

How CORVALLIS, CITY OF compares within OR

Among the 160 OR systems in this dataset, the average is 6.0 health-based violations - CORVALLIS, CITY OF's 0 is at or below that. 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 CORVALLIS, CITY OF is from 2020-01-10. Last reported to EPA: 06/26/2026.

What this data is and is not

Everything on this page is CORVALLIS, CITY OF'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 31 logged violations can see. The guide to what this data misses covers that gap.