Is WISCONSIN DELLS WATERWORKS's water safe to drink?
WISCONSIN DELLS WATERWORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 3,232 people through 1,525 service connections.
WISCONSIN DELLS WATERWORKS's record against the rest of the country
9 total violations and 2 health-based ones put WISCONSIN DELLS WATERWORKS at the 49th percentile nationally for violation burden, rank 6,609 of 12,903.
How WISCONSIN DELLS WATERWORKS compares within WI
WISCONSIN DELLS WATERWORKS's 2 health-based violations sit within the WI average of 3.6, across 202 systems statewide. 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 WISCONSIN DELLS WATERWORKS is from 2024-01-01 (health-based: 2022-01-01). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
WISCONSIN DELLS 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); Groundwater Rule
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 WISCONSIN DELLS WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 2 health-based violations on file for WISCONSIN DELLS 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.