Hollingsworth-shaffer Ranch Dam is an earth dam located in Stanley County, South Dakota, built in 2013. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 743 ft long, taller than 65% 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 Hollingsworth-shaffer Ranch Dam
The primary purpose of Hollingsworth-shaffer Ranch 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 Hollingsworth-shaffer Ranch Partnership (private). It impounds the Plum Creek-tr.
The dam stands 29 feet tall and stretches 743 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2013, 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 | Stanley |
| River/Stream | Plum Creek-tr |
| Coordinates | 44.31851, -100.93315 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 743 ft |
| Year Completed | 2013 (13 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Hollingsworth-shaffer Ranch Partnership |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02658 |
| Federal ID | SD02658 |
| More Info | State Dam Safety Program |