Lake Minnetonka Conservation District - To protect and preserve Lake Minnetonka

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2018 Harvesting Schedule

Harvester MachineThe Lake Minnetonka Conservation District (LMCD) started harvesting Eurasian Watermilfoil (EWM) and Curly-leaf pondweed on June 14, 2018.  Harvesting typically occurs mid-June through mid-August. Harvesting does not occur during the week of the Fourth of July due to increased Lake traffic. The harvesters operate Monday through Thursday, 10-hour days. Harvesting is dependent on weather and is not performed if there is lightning or high winds. Please navigate safely when you are near a harvester machine since they are slow-moving, large machines.

The harvesting program was established in 1989 in order to clear public navigation areas with dense EWM.  The LMCD does not harvest within a property owner’s dock use area or outside a property owner’s dock use area that is not causing an impediment to navigation, even if it is unattractive.

A tentative schedule is provided below and will be updated weekly. This schedule is subject to change since conditions vary throughout the lake bays. In situations where there are bay associations, LMCD will work with the bay captains regarding harvesting requests. The bays with bay captains include Carmans, Carsons/St. Louis, Gideons, Grays, Libbs, North Arm, Phelps, St. Albans.


  • Lafayette- completed 6/14
  • Phelps, North Shore Bay Enchanted- completed 6/19-20
  • North Shore, Shady Island, West Shore Spring Park-completed 6/20-21
  • Emerald, Seton, Cooks- completed partial 6/21, 6/25
  • Harrison, Black Lake, Cooks-completed 6/25, 6/26, 6/27
  • Priest, Smithtown- not harvested based on observation
  • No Harvesting: July Fourth Week (6/29- 7/8)
  • Crystal- completed
  • North Arm- completed
  • Maxwell- completed
  • Smith- completed

Tentative Schedule Starting July 16, 2018

  • Browns- completed
  • Wayzata
  • Grays- south end
  • Libbs (check equipment size)
  • St Louis, Carson- treated, no harvesting
  • Lower Lake North/South- Veterans, Big Island
  • Gideons
  • Echo
  • St. Albans
  • Lafayette
  • Old Channel
  • East Upper Lake- Shady Island Bridge
  • Upper Lake West/South- Enchanted
  • Harvesting Concludes (~08/15)

Sometimes nearby launches are used to off-load the harvesters and haul the vegetation to be composted. We aim to minimize nuisances for boaters and leave the off-load sites in clean condition. We appreciate your consideration throughout the season. NOTE- This year, a pilot is underway to determine if aquatic vegetation disposal for residents and private partnerships can be incorporated into our lake harvesting operations. Please call LMCD regarding options and instructions.

Please contact the LMCD if you have any questions or concerns. Enjoy the Lake this summer!

Posted on: June 26th, 2018
Lake Minnetonka Conservation District
5341 Maywood Road, Suite 200, Mound, MN 55364
Phone: 952 / 745-0789    Fax: 952 / 745-9085    Email:
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