Foreman is a dam located in Owyhee County, Idaho, built in 1929. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 1,800 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 Foreman
Foreman is a dam in Owyhee, Idaho. The dam is private-owned. It impounds the Castle Creek Snake River near Grand View.
The dam stands 21 feet tall and stretches 1,800 feet across, creates a reservoir covering 32 acres, has a storage capacity of 200 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1929, 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 09/14/2017.
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Location
| State | Idaho |
| County | Owyhee |
| Nearest City | Grand View |
| River/Stream | Castle Creek Snake River |
| Coordinates | 43.02410, -116.33070 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,800 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 6 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/14/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | ID00099 |
| Federal ID | ID00099 |
| More Info | State Dam Safety Program |