Medicine Knoll Gpa Dam is an earth dam located in Sully County, South Dakota, built in 2012. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 396 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 Medicine Knoll Gpa Dam
The primary purpose of Medicine Knoll Gpa Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Sd Game, Fish, & Parks (state). It impounds the Medicine Knoll Creek-tr.
The dam stands 23 feet tall and stretches 396 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 2012, the structure is relatively new.
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 | Sully |
| River/Stream | Medicine Knoll Creek-tr |
| Coordinates | 44.57127, -99.88008 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 396 ft |
| Year Completed | 2012 (14 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,450 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Sd Game, Fish, & Parks |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02657 |
| Federal ID | SD02657 |
| More Info | State Dam Safety Program |