House is an earth dam located in Weston County, Wyoming, built in 1970. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 22 ft22 ft tall and 665 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 House
The primary purpose of House is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Diane M. Simon (private). It impounds the Robbers Roost near Edgemont, Sd.
The dam stands 22 feet tall and stretches 665 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 128 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 1970, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/09/2021.
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Location
| State | Wyoming |
| County | Weston |
| Nearest City | Edgemont, Sd |
| River/Stream | Robbers Roost |
| Coordinates | 43.53790, -104.28760 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 17 ft |
| Dam Length | 665 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 18 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Diane M. Simon |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/09/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00421 |
| Federal ID | WY00421 |
| More Info | State Dam Safety Program |