A81/100
Andover — Water Quality Report 2026
Serving 21,455 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1020034
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 263.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2006.
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 Andover
Is Andover water safe to drink?
Andover water receives a grade of A (81/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Andover detected?
66 contaminants were tested in Andover's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does Andover have any EPA violations?
Yes, Andover has 4 EPA violation(s) on record, with the most recent in 2006. Violation types include MCL, MR. 3 are health-based violations.
How many people does Andover serve?
Andover serves approximately 21,455 people, Minnesota.
What type of water does Andover provide?
Andover sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1020034.
How does Andover compare to other utilities in Minnesota?
Andover scores 81/100 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.