Is WILLIAMS BAY WATERWORKS's water safe to drink?
WILLIAMS BAY WATERWORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 2,601 people get their water from it, across 963 connections.
How this compares nationally
45 total violations and 1 health-based ones put WILLIAMS BAY WATERWORKS at the 42th percentile nationally for violation burden, rank 7,485 of 12,903.
Against the WI average
Among the 202 WI systems in this dataset, the average is 3.6 health-based violations - WILLIAMS BAY WATERWORKS's 1 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
WILLIAMS BAY WATERWORKS's most recent violation on record is dated 2025-11-09, with the most recent health-based one dated 2025-01-07. Last reported to EPA: 05/29/2026.
The concern categories on record
WILLIAMS BAY 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:
- Lead & copper - flagged from: Lead and Copper Rule
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What WILLIAMS BAY WATERWORKS's record does not cover
This is what WILLIAMS BAY 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. This record - 1 health-based violation on file for WILLIAMS BAY 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.