Jonay Pond Dam is an earth dam located in Sullivan County, Indiana, built in 1947. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 987 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 Jonay Pond Dam
Jonay Pond Dam is a dam in Sullivan, Indiana. The dam is owned by William Dukes (private).
The dam stands 11 feet tall and stretches 987 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 107 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 01/01/1990. That was over 36 years ago.
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Location
| State | Indiana |
| County | Sullivan |
| Coordinates | 39.13555, -87.38599 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 987 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 107 acre-ft |
| Max Storage | 107 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 113 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | William Dukes |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/01/1990 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00522 |
| Federal ID | IN00522 |
| More Info | State Dam Safety Program |