A90/100
North Mankato — Water Quality Report 2026
Serving 14,448 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1520005
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 North Mankato
Is North Mankato water safe to drink?
North Mankato water receives a grade of A (90/100), 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 North Mankato detected?
66 contaminants were tested in North Mankato's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does North Mankato have any EPA violations?
Yes, North Mankato has 3 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, MCL. 1 are health-based violations.
How many people does North Mankato serve?
North Mankato serves approximately 14,448 people, Minnesota.
What type of water does North Mankato provide?
North Mankato sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1520005.
How does North Mankato compare to other utilities in Minnesota?
North Mankato scores 90/100 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.