Sd Noname 103 is an earth dam located in Haakon County, South Dakota, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 319 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 Sd Noname 103
The primary purpose of Sd Noname 103 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 Dorothy Fortune (private). It impounds the Middle Fork Ash Creek-tr.
The dam stands 14 feet tall and stretches 319 feet across, and has a maximum storage capacity of 80 acre-feet. Completed in 1938, 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 | Haakon |
| Nearest City | None |
| River/Stream | Middle Fork Ash Creek-tr |
| Coordinates | 44.24517, -101.95062 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 319 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 25 acre-ft |
| Max Discharge | 756 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Dorothy Fortune |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00806 |
| Federal ID | SD00806 |
| More Info | State Dam Safety Program |