Hilland Dam
Hilland Dam is an earth dam located in Haakon County, South Dakota, built in 1938. It carries a Low hazard potential classification.
About Hilland Dam
The primary purpose of Hilland 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 Usa Doi (federal). It impounds the South Fork Bridger Creek.
The dam stands 20 feet tall and stretches 350 feet across, and has a maximum storage capacity of 136 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.
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Location
| State | South Dakota |
| County | Haakon |
| Nearest City | None |
| River/Stream | South Fork Bridger Creek |
| Coordinates | 44.27726, -101.84213 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 350 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 136 acre-ft |
| Max Storage | 136 acre-ft |
| Normal Storage | 90 acre-ft |
| Max Discharge | 1,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | USA DOI |
| Owner Type | Federal |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01792 |
| Federal ID | SD01792 |
| More Info | State Dam Safety Program |