Dams in Mason, Illinois
9
Total Dams
3
High Hazard
1
Significant
46.6 yrs
Avg Age
| 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 |