Dams in Mason, Illinois

9
Total Dams
3
High Hazard
1
Significant
46.6 yrs
Avg Age
Hazard Name Height
Dam Name Hazard Height Built Type State
Dynegy/Havana Sta/East Ash Pond System Mason High Hazard 38 ft 1999 Earth Illinois
Dynegy/Havana Sta/East Ash Pond Dam Mason High Hazard 36 ft Earth Illinois
Dynegy/Havana Station/Cell 1, Polishing P Mason High Hazard 26 ft 1993 Earth Illinois
Dynegy/Havana Sta/South Ash Pond Dam Mason Significant Hazard Illinois
Quiver Creek Weir Dam Mason Low Hazard 15 ft 1988 Other Illinois
Crane Lake Water Control Dam Mason Low Hazard 10 ft Other Illinois
Lake Chautauqua Upper Dam Mason Low Hazard 17 ft 1916 Earth Illinois
Chain Lake Water Control Dam Mason Low Hazard 12 ft 2001 Other Illinois
Barkhausen Refuge Dam Mason Low Hazard 10 ft Earth Illinois