Helsels Plum Creek Dam is an earth dam located in Fall River County, South Dakota, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 800 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 Helsels Plum Creek Dam
The primary purpose of Helsels Plum Creek 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 Laurel & Brent Nelson (private). It impounds the Plum Creek-tr.
The dam stands 18 feet tall and stretches 800 feet across, and has a maximum storage capacity of 100 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 | Fall River |
| Nearest City | None |
| River/Stream | Plum Creek-tr |
| Coordinates | 43.23786, -103.71843 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 800 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 78 acre-ft |
| Max Discharge | 2,100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Laurel & Brent Nelson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01398 |
| Federal ID | SD01398 |
| More Info | State Dam Safety Program |