Is PORTAGE WATERWORKS's water safe to drink?
PORTAGE WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 10,437 people get their water from it, across 3,714 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, PORTAGE WATERWORKS ranks 2,968th by violation burden (77th percentile) - 63 violations total, 6 health-baseds.
How PORTAGE WATERWORKS compares within WI
PORTAGE WATERWORKS's 6 health-based violations sit above the WI average of 3.6, across 202 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for PORTAGE WATERWORKS is from 2003-01-12 (health-based: 2003-01-12). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
PORTAGE 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
Everything on this page is PORTAGE WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 6 health-based violations on file for PORTAGE WATERWORKS - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.