Hennepin Station West Ash Pond Dam
Hennepin Station West Ash Pond Dam is an earth dam located in Putnam County, Illinois. It carries a Significant hazard potential classification.
About Hennepin Station West Ash Pond Dam
Hennepin Station West Ash Pond Dam is a dam in Putnam, Illinois. The dam is owned by Dynegy (public utility).
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 09/10/2025.
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Significant HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Putnam |
| Coordinates | 41.30091, -89.32473 |
Physical Characteristics
| Dam Type | Earth |
Ownership & Safety
| Purpose | Other |
| Owner | DYNEGY |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 09/10/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50698 |
| Federal ID | IL50698 |
| More Info | State Dam Safety Program |
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