What's in Willmar's water?

Willmar's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 21,045, over 6,996 connections.

Willmar's record against the rest of the country

3 total violations and 0 health-based ones put Willmar at the 10th percentile nationally for violation burden, rank 11,591 of 12,903.

Against the MN average

Among the 254 MN systems in this dataset, the average is 0.8 health-based violations - Willmar's 0 is at or below that. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

Willmar's most recent violation on record is dated 2025-01-01. Last reported to EPA: 05/28/2026.

What Willmar's record does not cover

Everything on this page is Willmar'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 Willmar's customers' taps is household plumbing, invisible to a system-level record ranked 11,591th of 12,903 by violation count. The guide to what this data misses covers that gap.