Public Comment Form

Commenting open: July 20, 2026 12:00AM CT - September 18, 2026 11:59PM CT.

City of Northfield - Wastewater Permit

We invite you to comment on the draft wastewater permit for the city of Northfield.


The city of Northfield applied for a reissued water quality permit for its wastewater treatment facility. The facility is designed to treat 5.2 million gallons per day and discharges to Cannon River.


The draft permit does not authorize any construction or changes to the facility.


Water quality permits - or National Pollutant Discharge Elimination System (NPDES) permits - establish specific limits and requirements to protect Minnesota's surface and groundwater quality. Permits are regularly reviewed and updated as they expire, allowing the MPCA to incorporate new information about the impacts of pollutants on the environment in future permits. Permits are enforced through a combination of self-reporting and compliance monitoring.




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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:

Holly Sandberg
Minnesota Pollution Control Agency
714 Lake Ave, Ste 220
Detroit Lakes, MN 56501


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