Dams in Mason County, Illinois
9Total Dams
3High Hazard
1Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Dynegy/havana Sta/east Ash Pond System | High | Not Available | 38 | Other | 1999 |
| Dynegy/havana Sta/east Ash Pond Dam | High | Not Available | 36 | Debris Control | |
| Dynegy/havana Station/cell 1, Polishing P | High | Not Available | 26 | Debris Control | 1993 |
| Dynegy/havana Sta/south Ash Pond Dam | Significant | Not Available | 0 | Other | |
| Lake Chautauqua Upper Dam | Low | Poor | 21 | Fish and Wildlife Pond | 1916 |
| Quiver Creek Weir Dam | Low | Fair | 17 | Fish and Wildlife Pond | 1988 |
| Chain Lake Water Control Dam | Low | Not Available | 12 | Fish and Wildlife Pond | 2001 |
| Barkhausen Refuge Dam | Low | Not Available | 10 | Fish and Wildlife Pond | |
| Crane Lake Water Control Dam | Low | Not Available | 10 | Fish and Wildlife Pond |