WARNING Powderhorn Lake Aerator Operation An aeration system will be operated on Powderhorn Lake, located in Minneapolis (Hennepin County). Operation will begin on approximately December 19th, 2016 and will continue through March 31, 2017. Thin ice and open water may be present. Please stay clear of marked areas. For questions regarding the operation of this aeration system, please contact the Minneapolis Park and Recreation Board Environmental Operations at 612-230-6400
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