Hudson Waterworks, WI Water Quality
Hudson Waterworks: EPA violation history, explained
Hudson Waterworks had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 18,558, over 15,121 connections.
How this compares nationally
Out of 12,903 systems in this dataset, Hudson Waterworks ranks 6,639th by violation burden (49th percentile) - 8 violations total, 2 health-based.
Against the WI average
WI's 259 covered systems average 5.4 health-based violations each; Hudson Waterworks carries 2, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
Hudson Waterworks's most recent violation on record is dated 2025-05-10, with the most recent health-based one dated 2025-05-10. Last reported to EPA: 05/29/2026.
The concern categories on record
Hudson 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 Revisions
- Microbial contamination / treatment technique - flagged from: Groundwater 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 Hudson Waterworks's record does not cover
Everything on this page is Hudson Waterworks's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and Hudson Waterworks's customers' taps is household plumbing, invisible to a system-level record ranked 6,639th of 12,903 by violation count. The guide to what this data misses covers that gap.