K. Dorsey No.1 is an earth dam located in Ziebach County, South Dakota, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 700 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 K. Dorsey No.1
The primary purpose of K. Dorsey No.1 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 Keith Dorsey (private). It impounds the Tr Moreau.
The dam stands 22 feet tall and stretches 700 feet across, and has a maximum storage capacity of 196 acre-feet. Completed in 1966, 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.
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Location
| State | South Dakota |
| County | Ziebach |
| Nearest City | None |
| River/Stream | Tr Moreau |
| Coordinates | 45.32833, -101.73332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 700 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 196 acre-ft |
| Max Storage | 196 acre-ft |
| Normal Storage | 130 acre-ft |
| Max Discharge | 6,300 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Keith Dorsey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00782 |
| Federal ID | SD00782 |
| More Info | State Dam Safety Program |