Blue Cloud Abbey Dam #2 is an earth dam located in Grant County, South Dakota, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 330 ft long, taller than 86% of U.S. dams with a recorded height. 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 Blue Cloud Abbey Dam #2
The primary purpose of Blue Cloud Abbey Dam #2 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Blue Cloud Abbey (private). It impounds the Tr Whetstone River.
The dam stands 40 feet tall and stretches 330 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1978, the structure is 48 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.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | South Dakota |
| County | Grant |
| Nearest City | None |
| River/Stream | Tr Whetstone River |
| Coordinates | 45.25039, -96.88812 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 330 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 30 acre-ft |
| Max Discharge | 1,625 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Blue Cloud Abbey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01125 |
| Federal ID | SD01125 |
| More Info | State Dam Safety Program |