Greensburg Lake is an earth dam located in Decatur County, Indiana, built in 1938. It carries a Significant hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 2,133 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Greensburg Lake
The primary purpose of Greensburg Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Indiana Department of Natural Resources (state).
The dam stands 12 feet tall and stretches 2,133 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 154 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.
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 03/02/2011. That was over 15 years ago.
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Location
| State | Indiana |
| County | Decatur |
| Coordinates | 39.34087, -85.51272 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 2,133 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 154 acre-ft |
| Max Storage | 154 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 344 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Indiana Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/02/2011 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00297 |
| Federal ID | IN00297 |
| More Info | State Dam Safety Program |