Lake Delton Waterworks, WI Water Quality
What's in Lake Delton Waterworks's water?
Lake Delton Waterworks's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 2,914 people through 1,079 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, Lake Delton Waterworks ranks 11,240th by violation burden (13th percentile) - 5 violations total, 0 health-based.
How Lake Delton Waterworks compares within WI
Lake Delton Waterworks's 0 health-based violations sit within the WI average of 5.4, across 259 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 Lake Delton Waterworks is from 2025-01-07. Last reported to EPA: 05/29/2026.
What this data is and is not
Everything on this page is Lake Delton Waterworks's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 0 health-based violations on file for Lake Delton 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.