Lahr Lake Dam
Lahr Lake Dam is an earth dam located in Morgan County, Indiana, built in 1930. It carries a Significant hazard potential classification.
About Lahr Lake Dam
The primary purpose of Lahr Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fred Lahr (private).
The dam stands 19 feet tall and stretches 350 feet across, creates a reservoir covering 8 acres, has a storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1930, 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 08/05/1985. That was over 40 years ago.
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Location
| State | Indiana |
| County | Morgan |
| Coordinates | 39.46927, -86.49545 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 350 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,492 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fred Lahr |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 08/05/1985 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00382 |
| Federal ID | IN00382 |
| More Info | State Dam Safety Program |