Wanblee Lake Dam is an earth dam located in Jackson County, South Dakota, built in 1935. It carries a Significant hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 610 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 Wanblee Lake Dam
The primary purpose of Wanblee Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Joe Kukal (private). It impounds the Craven Creek near Wanblee.
The dam stands 17 feet tall and stretches 610 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1935, 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. The most recent inspection on record was 09/20/1979. That was over 47 years ago.
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Location
| State | South Dakota |
| County | Jackson |
| Nearest City | Wanblee |
| River/Stream | Craven Creek |
| Coordinates | 43.55948, -101.66006 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 610 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 3,312 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Joe Kukal |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/20/1979 |
Identifiers
| NID ID | SD02128 |
| Federal ID | SD02128 |
| More Info | State Dam Safety Program |