What's in PRAIRIE ISLAND's water?

PRAIRIE ISLAND's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 6,699 people get their water from it, across 110 connections.

PRAIRIE ISLAND's record against the rest of the country

PRAIRIE ISLAND has 87 violations on record in total, 0 of thems health-based - ranking it 9,433th of 12,903 systems by violation count, the 27th percentile nationally.

Against the MN average

PRAIRIE ISLAND's 0 health-based violations sit within the MN average of 0.8, across 254 systems statewide. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

PRAIRIE ISLAND's most recent violation on record is dated 2025-05-10. Last reported to EPA: 06/30/2026.

What PRAIRIE ISLAND's record does not cover

PRAIRIE ISLAND'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 - 0 health-based violations on file for PRAIRIE ISLAND - 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.