Randall Rc&d Ch-259-bh is an earth dam located in Bon Homme County, South Dakota, built in 1983. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 1,057 ft long, taller than 74% 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 Randall Rc&d Ch-259-bh
The primary purpose of Randall Rc&d Ch-259-bh is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Harlan Dejong (local government). It impounds the Tr-missouri River.
The dam stands 32 feet tall and stretches 1,057 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 248 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1983, the structure is 43 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 | Bon Homme |
| Nearest City | None |
| River/Stream | Tr-missouri River |
| Coordinates | 42.87975, -97.93904 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 1,057 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 248 acre-ft |
| Max Storage | 248 acre-ft |
| Normal Storage | 152 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 3,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Harlan Dejong |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02296 |
| Federal ID | SD02296 |
| More Info | State Dam Safety Program |