A84/100
Otsego — Water Quality Report 2026
Serving 19,000 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1860026
Violations
4
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 Otsego
Is Otsego water safe to drink?
Otsego water receives a grade of A (84/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has Otsego detected?
31 contaminants were tested in Otsego's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does Otsego have any EPA violations?
Yes, Otsego has 4 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, MCL. 3 are health-based violations.
How many people does Otsego serve?
Otsego serves approximately 19,000 people, Minnesota.
What type of water does Otsego provide?
Otsego sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1860026.
How does Otsego compare to other utilities in Minnesota?
Otsego scores 84/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Minnesota state page for a full comparison of water systems.