James Diversion Dam is a concrete dam located in Beadle County, South Dakota, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 47 ft47 ft tall and 50 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About James Diversion Dam
The primary purpose of James Diversion Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bureau of Reclamation (federal). It impounds the James River near Huron.
The dam stands 47 feet tall and stretches 50 feet across, creates a reservoir covering 960 acres, and has a maximum storage capacity of 4,875 acre-feet. Completed in 1964, 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 08/27/2019.
At 47 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | South Dakota |
| County | Beadle |
| Nearest City | Huron |
| River/Stream | James River |
| Coordinates | 44.59730, -98.23890 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 50 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 4,875 acre-ft |
| Max Storage | 4,875 acre-ft |
| Normal Storage | 4,875 acre-ft |
| Surface Area | 960 acres |
| Max Discharge | 2,400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Bureau of Reclamation |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/27/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01143 |
| Federal ID | SD01143 |
| More Info | State Dam Safety Program |