Dynegy/havana Sta/south Ash Pond Dam
Dynegy/havana Sta/south Ash Pond Dam is a dam located in Mason County, Illinois. It carries a Significant hazard potential classification.
About Dynegy/havana Sta/south Ash Pond Dam
Dynegy/havana Sta/south Ash Pond Dam is a dam in Mason, Illinois. The dam is public utility-owned. It impounds the Illinois River - Offstream near Havana.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 10/01/2024.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Significant HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Mason |
| Nearest City | Havana |
| River/Stream | Illinois River - Offstream |
| Coordinates | 40.27277, -90.08428 |
Physical Characteristics
Ownership & Safety
| Purpose | Other |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 10/01/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50701 |
| Federal ID | IL50701 |
| More Info | State Dam Safety Program |
Nearby Dams
Dynegy/havana Station/cell 1, Polishing P
0.6 mi
High
Dynegy/havana Sta/east Ash Pond System
0.8 mi
High
Dynegy/havana Sta/east Ash Pond Dam
1.2 mi
High
Quiver Creek Weir Dam
6.9 mi
Low
Lake Chautauqua Lower Dam
7.4 mi
Low
Carlson Lake Water Control Dam
8.9 mi
Low
Atkins Pond Dam
9.1 mi
Low
Lake Chautauqua Upper Dam
10.3 mi
Low
Briney Lake 2 Dam
10.9 mi
Significant
Lemons Pond Dam
11.3 mi
Low