H.g. Horman Dam No.1 is an earth dam located in Butte County, South Dakota, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 710 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 H.g. Horman Dam No.1
The primary purpose of H.g. Horman Dam No.1 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 17 feet tall and stretches 710 feet across, and has a maximum storage capacity of 156 acre-feet. Completed in 1958, 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 | 44.89702, -103.77264 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 710 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 156 acre-ft |
| Max Storage | 156 acre-ft |
| Normal Storage | 98 acre-ft |
| Max Discharge | 1,470 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 | SD00681 |
| Federal ID | SD00681 |
| More Info | State Dam Safety Program |