Is LOWER SIOUX's water safe to drink?

LOWER SIOUX's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 4,000 people get their water from it, across 195 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, LOWER SIOUX ranks 9,343th by violation burden (28th percentile) - 135 violations total, 0 health-baseds.

Against the MN average

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

Most recent violation on record

LOWER SIOUX's most recent violation on record is dated 2027-02-06. Last reported to EPA: 06/30/2026.

What LOWER SIOUX's record does not cover

Everything on this page is LOWER SIOUX'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 LOWER SIOUX's customers' taps is household plumbing, invisible to a system-level record ranked 9,343th of 12,903 by violation count. The guide to what this data misses covers that gap.