B75/100
Osakis — Water Quality Report 2026
Serving 1,780 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1210020
Violations
9
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.62 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.018 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – February 20, 2025Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – January 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About Osakis
Is Osakis water safe to drink?
Osakis water receives a grade of B (75/100), which is considered good. Out of 2 contaminants tested, 2 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Osakis detected?
2 contaminants were tested in Osakis's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does Osakis have any EPA violations?
Yes, Osakis has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MON.
How many people does Osakis serve?
Osakis serves approximately 1,780 people, Minnesota.
What type of water does Osakis provide?
Osakis sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1210020.
How does Osakis compare to other utilities in Minnesota?
Osakis scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Minnesota state page for a full comparison of water systems.