Randall Rc&d Ca-65b-bh is an earth dam located in Bon Homme County, South Dakota, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 552 ft long, taller than 68% 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 Ca-65b-bh
The primary purpose of Randall Rc&d Ca-65b-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 Raymond & Phyllis Romkema (local government). It impounds the Missouri River-tr near Springfield.
The dam stands 30 feet tall and stretches 552 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, the structure is well into its service life at over 50 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. The most recent inspection on record was 04/06/1981. That was over 45 years ago.
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Location
| State | South Dakota |
| County | Bon Homme |
| Nearest City | Springfield |
| River/Stream | Missouri River-tr |
| Coordinates | 42.80397, -97.96247 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 552 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,634 cfs |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Raymond & Phyllis Romkema |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/06/1981 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02275 |
| Federal ID | SD02275 |
| More Info | State Dam Safety Program |