Blaine Drageset is an earth dam located in Corson County, South Dakota, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 620 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 Blaine Drageset
The primary purpose of Blaine Drageset 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 Tr-grand.
The dam stands 24 feet tall and stretches 620 feet across, and has a maximum storage capacity of 69 acre-feet. Completed in 1950, 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 | None |
| River/Stream | Tr-grand |
| Coordinates | 45.68333, -101.39332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 620 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 60 acre-ft |
| Max Discharge | 744 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Standing Rock Tribe |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00339 |
| Federal ID | SD00339 |
| More Info | State Dam Safety Program |