The 11th annual Marion Reservoir Cleanup Day will be from 9 a.m. to 1 p.m. April 20.
Volunteers are needed to pick up trash around the reservoir and all connecting waterways and riparian zones.
Organizers ask those planning to participate should dress accordingly, but gloves, trash bags and refreshments will be provided.
All volunteers will meet at the Corps of Engineers office on the east side of the dam.
For more information or to sign up, call 620-382-2006 or 620-382-2101.