Reservoir No. 26 Dam
Reservoir No. 26 Dam is an earth dam located in Sullivan County, Indiana, built in 1950. It carries a Significant hazard potential classification and has a poor condition assessment.
About Reservoir No. 26 Dam
The primary purpose of Reservoir No. 26 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Divison Of Forestry (state).
The dam stands 17 feet tall and stretches 2,000 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1950, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/09/2019.
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Location
| State | Indiana |
| County | Sullivan |
| Coordinates | 39.01677, -87.24331 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | DIVISON OF FORESTRY |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 04/09/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN03975 |
| Federal ID | IN03975 |
| More Info | State Dam Safety Program |