A94/100
Long Lake Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,729 residents · Minnesota
What's In Long Lake's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
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
Water Utility Details
Long Lake
Population Served
1,729
Water Source
Groundwater
System ID
MN1270018
Frequently Asked Questions About Long Lake Water
Is Long Lake tap water safe to drink?
Long Lake, Minnesota tap water receives a grade of A (94/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Long Lake's water?
1 contaminants were tested in Long Lake's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Long Lake have any water quality violations?
Yes, Long Lake has 6 EPA violation(s) on record, with the most recent in 2017. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in Long Lake?
Long Lake 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. All contaminants are within health goals.
Where does Long Lake's tap water come from?
Long Lake's drinking water is sourced from groundwater and supplied by Long Lake. The system serves approximately 1,729 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Long Lake'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. Long Lake'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 Long Lake's water compare to other cities in Minnesota?
Long Lake's water quality score of 94/100 earns a grade of A, which is considered excellent. This places Long Lake 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 Long Lake's water quality?
If you have concerns about Long Lake'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 (Long Lake) 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.