LA CROSSE WATERWORKS: EPA violation history, explained
LA CROSSE WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 53,000 people get their water from it, across 16,176 connections.
Ranked against every other system in this dataset
25 total violations and 3 health-based ones put LA CROSSE WATERWORKS at the 61th percentile nationally for violation burden, rank 4,973 of 12,903.
Against the average
Among the 244 systems in this dataset, the average is 11.2 health-based violations - LA CROSSE WATERWORKS's 3 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
LA CROSSE WATERWORKS's most recent violation on record is dated 2023-01-04, with the most recent health-based one dated 2014-04-03. Last reported to EPA: 05/29/2026.
The concern categories on record
LA CROSSE 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:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Groundwater Rule
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What LA CROSSE WATERWORKS's record does not cover
LA CROSSE WATERWORKS's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 3 health-based violations on file for LA CROSSE 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.