Witcher Holes Dam is an earth dam located in Haakon County, South Dakota, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 630 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 Witcher Holes Dam
The primary purpose of Witcher Holes Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Martin Nelson (private). It impounds the Witcher Holes Creek-tr.
The dam stands 15 feet tall and stretches 630 feet across, and has a maximum storage capacity of 108 acre-feet. Completed in 1958, the structure is well into its service life at over 50 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. The most recent inspection on record was 10/03/1973. That was over 53 years ago.
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Location
| State | South Dakota |
| County | Haakon |
| Nearest City | None |
| River/Stream | Witcher Holes Creek-tr |
| Coordinates | 44.21203, -101.48201 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 630 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Normal Storage | 53 acre-ft |
| Max Discharge | 1,260 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Martin Nelson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/03/1973 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00706 |
| Federal ID | SD00706 |
| More Info | State Dam Safety Program |