A87/100
Madelia — Water Quality Report 2026
Serving 2,319 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1830004
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.49 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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 Madelia
Is Madelia water safe to drink?
Madelia water receives a grade of A (87/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Madelia detected?
2 contaminants were tested in Madelia's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does Madelia have any EPA violations?
Yes, Madelia has 5 EPA violation(s) on record, with the most recent in 2021. Violation types include MON, MR.
How many people does Madelia serve?
Madelia serves approximately 2,319 people, Minnesota.
What type of water does Madelia provide?
Madelia sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1830004.
How does Madelia compare to other utilities in Minnesota?
Madelia scores 87/100 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.