Norbert Bonhorst is an earth dam located in Stanley County, South Dakota, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 700 ft long, taller than 76% 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 Norbert Bonhorst
The primary purpose of Norbert Bonhorst 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 Norbert Bonhorst (private). It impounds the Trib. Bad River.
The dam stands 33 feet tall and stretches 700 feet across, and has a maximum storage capacity of 135 acre-feet. Completed in 1955, 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | South Dakota |
| County | Stanley |
| Nearest City | None |
| River/Stream | Trib. Bad River |
| Coordinates | 44.19833, -100.94832 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 700 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 76 acre-ft |
| Max Discharge | 600 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Norbert Bonhorst |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01553 |
| Federal ID | SD01553 |
| More Info | State Dam Safety Program |