Public Comment Form

Commenting open: March 05, 2025 12:00AM CT - April 04, 2025 11:59PM CT.

Menken Farms - Feedlot Permit

We invite you to comment on the draft permit for the Menken Farms animal feedlot located in Watonwan County.


The facility will house 2,210 head of beef in total confinement barns, and individual animal housing areas. Solid manure generated by the animals will be stockpiled at the facility and stockpiled with land application fields. Process wastewater, and manure contaminated runoff from the facility will be treated via vegetation. Manure generated at the facility will be applied to surrounding cropland at agronomic rates.

The animal unit (AU) capacity will be increased from 250 AU to a final total of 442 AU.


This permit requires the facility to be designed, operated, and maintained to prevent discharge to waters, except in an extreme storm event. Operators are required to land apply manure at agronomic rates, observe water setbacks, and maintain records of land application activities, including location, timing, and rate of application. Please refer to the draft permit for additional requirements.


The MPCA’s feedlot permit strives to protect our lakes, rivers, streams, wetlands, and groundwater by preventing manure from polluting water. The permit applies to most aspects of livestock management including the location, design, construction, operation, and management of feedlots and manure handling facilities. Minnesota has approximately 18,000 registered livestock operations.



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Thank you for providing feedback on this project. We value your comments and will use them to assess this project further. Please submit your comments and feedback before the end of the comment period.


If you want to submit a letter, you can upload the letter on this website or submit it via US Mail to the following address:


Minnesota Pollution Control Agency
c/o Rebecca Novey
12 Civic Center Plz, Ste 2165
Mankato, MN 56001

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