Willoughby Dam No. 1 (south)
Willoughby Dam No. 1 (south) is an earth dam located in Johnson County, Indiana, built in 1965. It carries a Low hazard potential classification and has a poor condition assessment.
About Willoughby Dam No. 1 (south)
The primary purpose of Willoughby Dam No. 1 (south) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Timothy Willoughby (private). It impounds the Unnamed Tributary Buckhart Creek.
The dam stands 36 feet tall and stretches 410 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, the structure is well into its service life at over 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 12/18/2015. That was over 10 years ago.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Indiana |
| County | Johnson |
| River/Stream | Unnamed Tributary Buckhart Creek |
| Coordinates | 39.41124, -86.11847 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 410 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 380 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Timothy Willoughby |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 12/18/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00102 |
| Federal ID | IN00102 |
| More Info | State Dam Safety Program |