Open House Regarding Hennepin Power Plant Groundwater Quality Under a 2015 U.S. EPA rule, Dynegy Midwest Generation, LLC has been monitoring groundwater quality near the Hennepin Power Plant ash storage areas. The company is hosting an open house for the public to learn more about the groundwater testing, the results, and mitigation options. The informational open house is a come-and-go event, and provides attendees with an opportunity to ask questions. There will not be a formal presentation. OPEN HOUSE Date: Tuesday, Dec. 17, 2019 Time: 5 to 6:30 p.m. Location: St. Margaret's Hospital Presentation Room 600 East First Street, Spring Valley, IL 61362 Hennepin Power Plant Dynegy Midwest Generation, LLC Open House Regarding Hennepin Power Plant Groundwater Quality Under a 2015 U.S. EPA rule, Dynegy Midwest Generation, LLC has been monitoring groundwater quality near the Hennepin Power Plant ash storage areas. The company is hosting an open house for the public to learn more about the groundwater testing, the results, and mitigation options. The informational open house is a come-and-go event, and provides attendees with an opportunity to ask questions. There will not be a formal presentation. OPEN HOUSE Date: Tuesday, Dec. 17, 2019 Time: 5 to 6:30 p.m. Location: St. Margaret's Hospital Presentation Room 600 East First Street, Spring Valley, IL 61362 Hennepin Power Plant Dynegy Midwest Generation, LLC