A89/100
Glyndon — Water Quality Report 2026
Serving 1,386 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1140005
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.63 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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 Glyndon
Is Glyndon water safe to drink?
Glyndon water receives a grade of A (89/100), which is considered excellent. Out of 9 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Glyndon detected?
9 contaminants were tested in Glyndon's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does Glyndon have any EPA violations?
Yes, Glyndon has 3 EPA violation(s) on record, with the most recent in 2017. Violation types include MON, MR.
How many people does Glyndon serve?
Glyndon serves approximately 1,386 people, Minnesota.
What type of water does Glyndon provide?
Glyndon sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1140005.
How does Glyndon compare to other utilities in Minnesota?
Glyndon scores 89/100 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.