Is BLACK RIVER FALLS WATERWORKS's water safe to drink?
BLACK RIVER FALLS WATERWORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 3,608 people get their water from it, across 1,650 connections.
How this compares nationally
14 total violations and 5 health-based ones put BLACK RIVER FALLS WATERWORKS at the 72th percentile nationally for violation burden, rank 3,670 of 12,903.
Against the WI average
Among the 202 WI systems in this dataset, the average is 3.6 health-based violations - BLACK RIVER FALLS WATERWORKS's 5 is above that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
BLACK RIVER FALLS 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
BLACK RIVER FALLS 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: Coliform (TCR)
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What BLACK RIVER FALLS WATERWORKS's record does not cover
Everything on this page is BLACK RIVER FALLS 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 BLACK RIVER FALLS WATERWORKS's customers' taps is household plumbing, invisible to a system-level record ranked 3,670th of 12,903 by violation count. The guide to what this data misses covers that gap.