DNR Water Permits

open MPARS

Apply for water permits and preliminary well construction assessments, request changes to existing permits, and report annual water use using MPARS.

open MPARS

Do I need a permit? 

Click here to learn about permitting requirements for water-related projects.

Water-related program contact information

Projects that impact Minnesota's water resources are regulated by a variety of state, local, and federal agencies. In many cases, a permit is required from one or more of these agencies before proceeding with the project. Check the county-by-county listing to find the local agency contacts in your area.


Preliminary well construction assessment

A preliminary assessment is required before drilling a well that will be used to withdraw more than 10,000 gallons of water per day or 1 million gallons per year.

If you prefer to request an assessment using a paper form, contact the DNR Water Permits and Reporting staff at 651-259-5724.


Water appropriations permit

A water use permit is required for all water users in Minnesota withdrawing more than 10,000 gallons of water per day or 1 million gallons per year from a surface water or groundwater. Click here for permit information


Infested waters diversion or transportation permit

Click here for permit information

If you plan to appropriate and use water in excess of 10,000 gallons per day or 1 million gallons per year from a listed infested water, you need to apply for a water appropriation permit.

If your appropriation will be less than 1 million gallons per year and 10,000 gallons per day from listed infested waters, download and print the application form for submission.


Public waters work permit


Dam safety permit


Aquatic plant management control permit

Apply online if you are already certain that your project will require a permit. A permit may be required for removal of aquatic plants, algae, swimmer's itch or leaches.

If you believe that the growth of aquatic plants near your shoreline creates a nuisance, and are uncertain if your project will require a permit, use this flowchart to help pinpoint the steps necessary to identify appropriate control options.


Fishery related permit

Fishery related permits are required for several types of fish removal and transport as well as to operate lake aeration systems. These include:

  • Aeration system operation

  • Aquatic plant management

  • Educational Fishing License Waiver for Students

  • Fish transport and stocking

  • Fisheries research

  • Fishing tournament regulations

  • Rough fish removal


Lake aeration permit

A permit is required to operate and install an aeration system during periods of ice cover on public waters in Minnesota. Find information regarding permits on the Lake Aeration Program page.

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