Truman Harless Lake Dam is an earth dam located in Morgan County, Indiana, built in 1976. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 41 ft41 ft tall and 500 ft long, taller than 87% of U.S. dams with a recorded height. 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 Truman Harless Lake Dam
The primary purpose of Truman Harless Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by David Sease (private). It impounds the Sycamore Creek.
The dam stands 41 feet tall and stretches 500 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 41 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 09/29/2016. That was over 10 years ago.
At 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Indiana |
| County | Morgan |
| River/Stream | Sycamore Creek |
| Coordinates | 39.54890, -86.41224 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 500 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 606 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | David Sease |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/29/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00669 |
| Federal ID | IN00669 |
| More Info | State Dam Safety Program |