Is Oronoco's water safe to drink?

Oronoco's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 2,040, over 656 connections.

Ranked against every other system in this dataset

2 total violations and 0 health-based ones put Oronoco at the 5th percentile nationally for violation burden, rank 12,216 of 12,903.

How Oronoco compares within MN

Among the 254 MN systems in this dataset, the average is 0.8 health-based violations - Oronoco's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for Oronoco is from 2021-01-07. Last reported to EPA: 05/28/2026.

What this data is and is not

Oronoco'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 Oronoco - 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.