Public Comment Form

Commenting open: November 14, 2022 12:00AM CT - January 13, 2023 11:59PM CT.

Metropolitan Council Wastewater Treatment Plant (Seneca) - Wastewater Permit


We invite you to comment on the draft wastewater permit for the Metropolitan Council Environmental Services - Seneca wastewater treatment plant.


The Met Council - Seneca wastewater treatment facility is located in Eagan, Minnesota. It is the principal sewage treatment facility for residential, commercial, institutional, and industrial wastewater from Bloomington, Burnsville, Eagan, Inver Grove Heights, Lakeville, and portions of Apple Valley, Savage, and Shakopee. It's designed to treat an average of wet weather flow of up to 38 million gallons per day and discharges treated wastewater to the Minnesota River.


The MPCA is reissuing the facility's water quality permit with additional monitoring requirements for several substances including nitrogen, selenium, suspended solids, mercury, magnesium, and sodium. The reissued permit also includes changes to reporting and sampling frequency requirements. No changes to the facility are authorized as part of this permit reissuance.


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:


Minnesota Pollution Control Agency
c/o Holly Mikkelson
7678 College Road, Suite 105
Baxter, MN 56425

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