Williams 783 is an earth dam located in Stanley County, South Dakota, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 270 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 Williams 783
The primary purpose of Williams 783 is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Usda Fs (federal). It impounds the Timber Creek near Rousseau.
The dam stands 14 feet tall and stretches 270 feet across, and has a maximum storage capacity of 85 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. The most recent inspection on record was 06/01/1978. That was over 48 years ago.
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Location
| State | South Dakota |
| County | Stanley |
| Nearest City | Rousseau |
| River/Stream | Timber Creek |
| Coordinates | 44.21077, -100.13148 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 270 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 85 acre-ft |
| Max Storage | 85 acre-ft |
| Normal Storage | 85 acre-ft |
| Max Discharge | 1,500 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/01/1978 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01123 |
| Federal ID | SD01123 |
| More Info | State Dam Safety Program |