Henderson House Dam is an earth dam located in Fall River County, South Dakota, built in 1928. It carries a Significant hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 1,100 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 Henderson House Dam
The primary purpose of Henderson House Dam 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 Dora Henderson (private). It impounds the Plains Creek.
The dam stands 20 feet tall and stretches 1,100 feet across, and has a maximum storage capacity of 400 acre-feet. Completed in 1928, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | South Dakota |
| County | Fall River |
| Nearest City | None |
| River/Stream | Plains Creek |
| Coordinates | 43.18376, -103.75231 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 340 acre-ft |
| Max Discharge | 2,405 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Dora Henderson |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01397 |
| Federal ID | SD01397 |
| More Info | State Dam Safety Program |