Hall is a dam located in Elmore County, Idaho, built in 1945. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 3,600 ft long, taller than 76% 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 Hall
Hall is a dam in Elmore, Idaho. The dam is private-owned. It impounds the Hot Spring Creek Bennett Creek near Mountain Home.
The dam stands 33 feet tall and stretches 3,600 feet across, creates a reservoir covering 67 acres, has a storage capacity of 450 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1945, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 07/15/2019.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Idaho |
| County | Elmore |
| Nearest City | Mountain Home |
| River/Stream | Hot Spring Creek Bennett Creek |
| Coordinates | 43.11130, -115.49910 |
Physical Characteristics
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 3,600 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Normal Storage | 450 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 350 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 07/15/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00201 |
| Federal ID | ID00201 |
| More Info | State Dam Safety Program |