A97/100
Minnetonka — Water Quality Report 2026
Serving 54,474 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1270031
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 Minnetonka
Is Minnetonka water safe to drink?
Minnetonka water receives a grade of A (97/100), which is considered excellent. Out of 67 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Minnetonka detected?
67 contaminants were tested in Minnetonka's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does Minnetonka have any EPA violations?
No, Minnetonka has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does Minnetonka serve?
Minnetonka serves approximately 54,474 people, Minnesota.
What type of water does Minnetonka provide?
Minnetonka sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1270031.
How does Minnetonka compare to other utilities in Minnesota?
Minnetonka scores 97/100 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.