Tyson West is a dam located in Owyhee County, Idaho, built in 1967. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 42 ft42 ft tall and 480 ft long, taller than 88% 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 Tyson West
The primary purpose of Tyson West is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is private-owned. It impounds the Reynolds Creek Snake River.
The dam stands 42 feet tall and stretches 480 feet across, creates a reservoir covering 38 acres, has a storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/17/2019.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Idaho |
| County | Owyhee |
| River/Stream | Reynolds Creek Snake River |
| Coordinates | 43.24440, -116.75060 |
Physical Characteristics
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 480 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/17/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00101 |
| Federal ID | ID00101 |
| More Info | State Dam Safety Program |