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-baseds.

How LAKE DELTON WATERWORKS compares within WI

LAKE DELTON WATERWORKS's 0 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 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.