10-11-22 Agenda Packet - Laserfiche WebLink

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Karth Lake District Board October 11, 2022 Page 2 5.4.1 Background: Susan agreed to again manage lake weed removal efforts in 2022. Susan agreed to coordinate on notifying lakeshore owners about Purple Loosestrife and Renee agreed to work with the City of Arden Hills to post information on the city’s website. There were 21 locations on Karth Lake with Purple Loosestrife in 2022. Because this could not wait until after the October meeting to address, the board was notified by email in August of the combined efforts of Susan, Renee, Kathy and others to address this issue. 5.5 Open Meeting Policy: Susan Johnson, Steve Scott 5.5.1 Background: The City of Arden Hills’ position as of the April 2022 meeting was that, going forward, all KLID board meeting should be in-person only and not offer a remote attendance option. The board was concerned that such a policy could prevent board members and the public with immuno-compromised health status from attending. Susan Johnson offered to prepare a brief written summary of open meeting laws and their relevance to KLID board meetings. She will provide that write-up to Steve Scott before the next board meeting. 5.6 Sediment Growth: David Swearingen 5.6.1 Background: Board members noted that sediment levels around street sewer outlets into Karth Lake have risen in at least the past two decades. While past KLID board and City of Arden Hills efforts should have reduced the rate of new sediment inflow, David noted that the City of Shoreview and Ramsey County manage drainage into Karth Lake from Lexington. To begin addressing these sources, David agreed to share a map of that drainage system at the next meeting. 5.7 Tour for new attendees: Steve Scott 5.7.1 Background: At his request, the new City Council Liaison, Steve Scott, was given a tour of Karth Lake. We welcome his observations and follow-up questions to the board. 6. NEW BUSINESS 6.1 Planning process for replacing retaining wall on Karth Lake. David Swearingen 6.1.1 Background: The City of Arden Hills’ budget for next year includes funding to replace the Karth Lake retaining wall at the pump site. Kyle Axtell told board members in May 2022 that there would be many options to the design of such a retaining wall. The KLID board would like to understand the city’s plans for the design process and assure that the KLIDB and the public has input within that process. 6.2 Boston Scientific Lexington Parking Expansion. David Swearingen, Steve Scott 6.2.1 Background: In August 2022, Boston Scientific removed trees along its Lexington boundary and is expanding its parking lots into areas where there were previously trees. Some of the affected area is within the Karth Lake watershed. David Swearingen responded to an inquiry about this work to say that Boston Scientific received approval for that work in 2019 and that it addressed impacts upon the affected watersheds. The KLID board would like a description of this project and likely impacts from the City of Arden Hills. 6.3 Possibility of initiating a new study to identify status and refresh list of BMPs for future management of Karth Lake. KLIDB and David Swearingen 6.3.1 Background: The most recent Karth Lake study and BMP identification was performed in 2009. It would be helpful to get an update reflecting the current state of the lake. 7. NEXT MEETING 8. ADJOURN