Twin Ports Freshwater Folk: MPCA Impairment Assessments for PFOS in Duluth, Minnesota


This month’s TPFF presenters are Leya Charles, Water Assessment and Impaired Waters List Coordinator at the Minnesota Pollution Control Agency, and Summer Streets, Research Scientist at the Minnesota Pollution Control Agency. Leya and Summer will provide an overview of the MPCA assessment process with a focus on information regarding specific impairments being proposed on the draft 2024 Impaired Waters List for PFOS in fish tissue in two local Duluth waterbodies.


Join Twin Ports Freshwater Folk (TPFF) on Feb. 7, 2024, at 11:30 am with free sub-sandwiches and freshwater followed by a seminar. The in-person side of the event will take place at the Minnesota Pollution Control Agency office in Duluth. A zoom option is also available. This event is free and open to the public. Registration is requested.


Wednesday, February 7, 2024


11:30 a.m.-1:00 p.m. CT


  • In-person registration
  • Location: Minnesota Pollution Control Agency, located in the Paulucci Building, 525 S. Lake Ave. # 400A, Duluth, MN 55802.
  • Directions: Take the elevator to the 4th floor. The conference room is a right turn from the elevator.
  • Public parking in Canal park is free. Commercial lots are not free.
  • Lunch will be provided.


  • Virtual registration
  • The virtual portion of the meeting will start at 12:00 p.m. CT. Note that there will be no virtual meet-and-greet breakout session.

Event schedule

  • 11:30 a.m. Lunch and networking (in-person only)
  • 12:00 p.m. Announcements by attendees (virtual and in-person)
  • 12:05 p.m. Seminar(s) (virtual and in-person)
  • 12:45 p.m. Moderated question and answer (virtual and in-person)
  • 1:00 p.m. Adjourn

About TPFF

Twin Ports Freshwater Folk (TPFF) is an informal gathering of people from the Twin Ports of Duluth, Minnesota and Superior, Wisconsin, who are engaged in freshwater research, policy, or regulation issues, for networking and informal discussion. Meetings take place the first Wednesday of every month.

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Alex Frie, research and fellowship coordinator, Minnesota Sea Grant, University of Minnesota and University of Minnesota Duluth.

Aerial view of the Twin Ports of Duluth, Minnesota, and Superior, Wisconsin, including the St. Louis River Estuary (foreground) and the western arm of Lake Superior. Image credit: University of Minnesota Duluth.