Sd Noname 180 is an earth dam located in Pennington County, South Dakota, built in 1937. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 450 ft long, taller than 62% 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 Sd Noname 180
The primary purpose of Sd Noname 180 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 Leo Foster (private). It impounds the Tr Cheyenne.
The dam stands 28 feet tall and stretches 450 feet across, and has a maximum storage capacity of 140 acre-feet. Completed in 1937, the structure is well-established, with more than 75 years of service.
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 | Pennington |
| Nearest City | None |
| River/Stream | Tr Cheyenne |
| Coordinates | 44.06166, -102.31332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 450 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 96 acre-ft |
| Max Discharge | 840 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Leo Foster |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01937 |
| Federal ID | SD01937 |
| More Info | State Dam Safety Program |