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Chair: <br /> Aisha Elmquist (2023) <br />Secretary: <br /> Renee Marino (2023) <br />Board Members: <br /> Linda Hansohn (2023) <br /> Tony Peleska (2023) <br /> Kathy Johnson (2024) <br /> Susan Johnson (2025) <br /> Gary Gerding (2025) <br /> <br />Staff Liaison: <br /> David Swearingen <br /> <br /> <br />Karth Lake Improvement <br />District Board <br />REGULAR MEETING <br />Tuesday <br />October 11, 2022 <br /> <br />1245 W. Highway 96 <br />Arden Hills, MN 55112 <br />651.792.7800 <br />www.cityofardenhills.org <br />Agenda <br />Board Meeting Convenes at 6:30 PM <br />1. CALL TO ORDER/ROLL CALL <br />2. APPROVAL OF THE AGENDA <br />3. APPROVAL OF MINUTES <br />4. PUBLIC INQUIRIES <br />5. OLD BUSINESS <br />5.1 Remediation of BMP #1 Site, Meeting with Kyle Axtell of Rice Creek Watershed: Kathy Johnson and <br />Board <br /> <br />5.1.1 Background: In 2021 the city completed installation of a storm drain at the BMP #1 site that transports <br />the runoff from parking lots and roads south of Karth Lake down a drain pipe that goes under the Cummings <br />Park walking path. This eliminates the source of silt into Karth Lake from the former above-ground flow. That <br />project did not address the flow of water from the walking path to the lake. <br /> <br />Action from 4/12/22 Meeting: Sue Johnson agreed to capture video of the water flow in Downstream BMP #1. <br />Kathy Johnson agreed to set up a meeting at the BMP #1 site with Kyle Axtell from RCWD and any board <br />members that could attend for his thoughts on Downstream BMP #1 mitigation. <br /> <br />5.2 Add Grit Chambers to storm drains that empty into Karth Lake and do not have Grit Chambers now. <br />Next Steps: Show map of existing storm drains and grit chambers that empty into Karth Lake. David <br />Swearingen <br /> <br />5.2.1 Background: This item was mostly resolved on 4/12/22 except David said he would obtain a map of the <br />storm drains and grit chambers to share. <br /> <br />5.3 Karth Lake water level modeling and management process progress report. Renee Marino <br /> <br />5.3.1 Background: Renee Marino’s Hypothesis: a revision to the pump management policy can reduce water <br />level bounce (i.e., range of high and low levels), which can improve lake quality and its environment while <br />appropriately mitigating risk of damage to shoreline properties. <br /> <br />Action from 4/12/22 Meeting: Renee to coordinate launching the modeling effort with Rice Creek Watershed <br />and work with the DNR to get a lake gauge installed and begin taking measurements. Measurements are now <br />posted here: www.dnr.state.mn.us/lakefind/showlevel.html?downum=62007200 <br /> <br />5.4 Plan for 2022 removal of excess lake weeds and debris and control of invasive purple loosestrife. Update: <br />Susan Johnson, Renee Marino and Kathy Johnson <br /> <br /> <br />