DrinkingWaterCheck

OSHKOSH WATERWORKS: EPA violation history, explained

OSHKOSH WATERWORKS's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 63,000, over 22,487 connections.

Ranked against every other system in this dataset

OSHKOSH WATERWORKS has 5 violations on record in total, 0 of thems health-based - ranking it 11,092th of 12,903 systems by violation count, the 14th percentile nationally.

Against the WI average

Among the 202 WI systems in this dataset, the average is 3.6 health-based violations - OSHKOSH WATERWORKS's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

OSHKOSH WATERWORKS's most recent violation on record is dated 2023-01-07. Last reported to EPA: 05/29/2026.

What OSHKOSH WATERWORKS's record does not cover

Everything on this page is OSHKOSH WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and OSHKOSH WATERWORKS's customers' taps is household plumbing, invisible to a system-level record ranked 11,092th of 12,903 by violation count. The guide to what this data misses covers that gap.