A95/100
Blue Earth Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,174 residents · Minnesota
What's In Blue Earth's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.011 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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
Water Utility Details
Blue Earth Light and Water
Population Served
3,174
Water Source
Groundwater
System ID
MN1220001
Frequently Asked Questions About Blue Earth Water
Is Blue Earth tap water safe to drink?
Blue Earth, Minnesota tap water receives a grade of A (95/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Blue Earth's water?
Of the 31 contaminants tested in Blue Earth's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Blue Earth have any water quality violations?
Yes, Blue Earth has 2 EPA violation(s) on record, with the most recent in 2016. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in Blue Earth?
Blue Earth water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Blue Earth's tap water come from?
Blue Earth's drinking water is sourced from groundwater and supplied by Blue Earth Light and Water. The system serves approximately 3,174 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Blue Earth's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Blue Earth's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Blue Earth's water compare to other cities in Minnesota?
Blue Earth's water quality score of 95/100 earns a grade of A, which is considered excellent. This places Blue Earth among the better-performing water systems in Minnesota. Visit our Minnesota state page to see how all cities in the state compare.
What should I do if I'm concerned about Blue Earth's water quality?
If you have concerns about Blue Earth's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (Blue Earth Light and Water) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.