A87/100
Waconia — Water Quality Report 2026
Serving 13,277 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1100010
Violations
2
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 Waconia
Is Waconia water safe to drink?
Waconia water receives a grade of A (87/100), which is considered excellent. Out of 52 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Waconia detected?
52 contaminants were tested in Waconia's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does Waconia have any EPA violations?
Yes, Waconia has 2 EPA violation(s) on record, with the most recent in 2020. Violation types include MON, MR.
How many people does Waconia serve?
Waconia serves approximately 13,277 people, Minnesota.
What type of water does Waconia provide?
Waconia sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1100010.
How does Waconia compare to other utilities in Minnesota?
Waconia 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.