M. Scism No.2 is an earth dam located in Custer County, South Dakota, built in 1946. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 200 ft long, taller than 59% 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 M. Scism No.2
The primary purpose of M. Scism No.2 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 Marie Scism (private). It impounds the Tr-cheyenne.
The dam stands 27 feet tall and stretches 200 feet across, and has a maximum storage capacity of 20 acre-feet. Completed in 1946, 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 | Custer |
| Nearest City | None |
| River/Stream | Tr-cheyenne |
| Coordinates | 43.76499, -102.89166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 200 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Max Storage | 20 acre-ft |
| Normal Storage | 10 acre-ft |
| Max Discharge | 680 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Marie Scism |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01373 |
| Federal ID | SD01373 |
| More Info | State Dam Safety Program |