WAUSAU WATERWORKS: EPA violation history, explained

WAUSAU WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 39,994 people through 15,643 service connections.

Ranked against every other system in this dataset

WAUSAU WATERWORKS has 5 violations on record in total, 1 of them health-based - ranking it 8,663th of 12,903 systems by violation count, the 33th percentile nationally.

How WAUSAU WATERWORKS compares within

's 244 covered systems average 11.2 health-based violations each; WAUSAU WATERWORKS carries 1, not more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for WAUSAU WATERWORKS is from 2000-01-09 (health-based: 2000-01-09). Last reported to EPA: 05/29/2026.

What kind of problem, specifically

WAUSAU WATERWORKS'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:

• Microbial contamination / treatment technique - flagged from: Coliform (TCR)

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 this data is and is not

This is what WAUSAU WATERWORKS 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 WAUSAU WATERWORKS's customers' taps is household plumbing, invisible to a system-level record ranked 8,663th of 12,903 by violation count. The guide to what this data misses covers that gap.