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Drowning at private pond


At approximately 12:00 pm on Saturday, June 18, 2022, the Knox County Sheriff's Department responded to a privately owned pond in the 2600 block of Knox Highway 12, in Altona, for an accident involving two drowning victims.

Steven Dennison, age 73, of Altona IL and Keith Dennison, age 67, of Galva IL were both pronounced dead at the scene.

Preliminary autopsy report does not indicate any evidence of foul play.

The Knox County Sheriff's Department was assisted on scene by Wataga - Altona Fire Department, Victoria Fire Department, and Copperas Creek Dive Team, in the investigation and recovery.

This Case remains under investigation.  Anyone with an information regarding this incident is urged to contact the Knox County Sheriff's Department at 309-345-9151 or via their website at