Jimmerson Lake Dam
Jimmerson Lake Dam is a concrete dam located in Steuben County, Indiana, built in 1945. It carries a Significant hazard potential classification and has a fair condition assessment.
About Jimmerson Lake Dam
The primary purpose of Jimmerson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Steuben County Highway Department (state). It impounds the Crooked Creek.
The dam stands 16 feet tall and stretches 360 feet across, creates a reservoir covering 434 acres, has a maximum storage capacity of 1,743 acre-feet, and collects water from a drainage area of 52 square miles. Completed in 1945, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/15/2017.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Indiana |
| County | Steuben |
| River/Stream | Crooked Creek |
| Coordinates | 41.72543, -85.08215 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 360 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 1,743 acre-ft |
| Max Storage | 1,743 acre-ft |
| Normal Storage | 1,203 acre-ft |
| Surface Area | 434 acres |
| Drainage Area | 52 sq mi |
| Max Discharge | 399 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Steuben County Highway Department |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/15/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IN00801 |
| Federal ID | IN00801 |
| More Info | State Dam Safety Program |