Henry Dam
Henry Dam is an earth dam located in Fall River County, South Dakota, built in 1951. It carries a Low hazard potential classification.
About Henry Dam
The primary purpose of Henry 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 Ross Hunter (private). It impounds the Short Branch Creek-tr near Ardmore.
The dam stands 20 feet tall and stretches 950 feet across, and has a maximum storage capacity of 160 acre-feet. Completed in 1951, 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.
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Location
| State | South Dakota |
| County | Fall River |
| Nearest City | Ardmore |
| River/Stream | Short Branch Creek-tr |
| Coordinates | 43.01648, -103.58643 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 950 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 122 acre-ft |
| Max Discharge | 650 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ross Hunter |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01042 |
| Federal ID | SD01042 |
| More Info | State Dam Safety Program |