Water Quality/Well Testing/Well Disinfection
Well Management Program
Well Testing Information
As a private well owner, you are responsible for regularly testing your well water. Minnesota Department of Health (MDH) recommends:
Accredited Labs in Minnesota Accepting Samples from Private Well Owners (PDF): This map and table show MDH accredited laboratories in Minnesota that accept samples from private well owners and are certified to test for arsenic, coliform bacteria, lead, manganese, and/or nitrate. MDH reviews and updates this map each year.
Go to Well Testing, Results, and Options for more information on how to test your well water and what to do with your test results.
Water Quality Information
- Arsenic
- Bacterial Safety of Well Water
- Causes and Symptoms of Giardiasis
- Commonly Asked Questions About Springs
- Copper in Drinking Water: Health Effects and How to Reduce Exposure
- Flood Precautions For Private Water Wells
- Iron
- Lead
- Manganese in Drinking Water
- Methane
- Nitrate
- Perfluoroalkyl Substances (PFAS)
- Safe Drinking Water For Your Baby
- Sulfate in Well Water
- Why Does My Water Smell Like Rotten Eggs?
Hydrogen Sulfide and Sulfur Bacteria in Well Water
Well Disinfection
Well Start-up Procedures
- Schools, Offices, Factories, and Child Care (Nontransient)
- Restaurants, Resorts, Campgrounds (Transient)
Reports
- Quality of Water from Domestic Wells in Principal Aquifers of the United States, 1991-2004 Overview of Major Findings (PDF)
- Assessment of Chemical Contamination of Flooded Wells in Southeast Minnesota - Flooded Well Testing Project Report, June 20, 2008 (PDF)
Contact the MDH Well Management Section
651-201-4600 or 800-383-9808
health.wells@state.mn.us
Minnesota Department of Health
Questions?
Well Management Section
651-201-4600 or
800-383-9808
health.wells@state.mn.us
Of Interest
Safe Drinking Water For Your Baby
