Horman Dam is an earth dam located in Butte County, South Dakota, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 1,175 ft long, taller than 59% of U.S. dams with a recorded height. 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 Horman Dam
The primary purpose of Horman 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 Harold, Geoffery, & Denise Horman (private). It impounds the Indian Creek-tr.
The dam stands 27 feet tall and stretches 1,175 feet across, and has a maximum storage capacity of 400 acre-feet. Completed in 1969, 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 | Butte |
| Nearest City | None |
| River/Stream | Indian Creek-tr |
| Coordinates | 44.88225, -103.78608 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 1,175 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 225 acre-ft |
| Max Discharge | 4,160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Harold, Geoffery, & Denise Horman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02215 |
| Federal ID | SD02215 |
| More Info | State Dam Safety Program |