A86/100
Zumbrota — Water Quality Report 2026
Serving 3,172 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1250020
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.56 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1999.
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 Zumbrota
Is Zumbrota water safe to drink?
Zumbrota water receives a grade of A (86/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Zumbrota detected?
2 contaminants were tested in Zumbrota's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does Zumbrota have any EPA violations?
Yes, Zumbrota has 3 EPA violation(s) on record, with the most recent in 1999. Violation types include MR.
How many people does Zumbrota serve?
Zumbrota serves approximately 3,172 people, Minnesota.
What type of water does Zumbrota provide?
Zumbrota sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1250020.
How does Zumbrota compare to other utilities in Minnesota?
Zumbrota scores 86/100 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.