Standing Rock Tribe
Standing Rock Tribe is an earth dam located in Corson County, South Dakota, built in 1940. It carries a Low hazard potential classification.
About Standing Rock Tribe
The primary purpose of Standing Rock Tribe is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Standing Rock Tribe (federal). It impounds the High Bank Creek near Little Eagle.
The dam stands 20 feet tall and stretches 570 feet across, and has a maximum storage capacity of 192 acre-feet. Completed in 1940, 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.
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Location
| State | South Dakota |
| County | Corson |
| Nearest City | Little Eagle |
| River/Stream | High Bank Creek |
| Coordinates | 45.53999, -100.96499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 570 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 192 acre-ft |
| Max Storage | 192 acre-ft |
| Normal Storage | 86 acre-ft |
| Max Discharge | 2,400 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | STANDING ROCK TRIBE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00600 |
| Federal ID | SD00600 |
| More Info | State Dam Safety Program |