Hickory Lake is an earth dam located in Sullivan County, Indiana, built in 1902. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 24 ft24 ft tall and 265 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 Hickory Lake
The primary purpose of Hickory Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Indiana Rail Road Company (private). It impounds the Unnamed Tributary Boston Creek.
The dam stands 24 feet tall and stretches 265 feet across, creates a reservoir covering 4 acres, and collects water from a drainage area of 0 square miles. Completed in 1902, the structure is over a century old.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/17/2020.
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Location
| State | Indiana |
| County | Sullivan |
| River/Stream | Unnamed Tributary Boston Creek |
| Coordinates | 39.24641, -87.24386 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 265 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Indiana Rail Road Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/17/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN04064 |
| Federal ID | IN04064 |
| More Info | State Dam Safety Program |