Lamb-weston is a dam located in Power County, Idaho, built in 1974. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 550 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 Lamb-weston
Lamb-weston is a dam in Power, Idaho. The dam is private-owned. It impounds the Spring Snake River near Snake River.
The dam stands 20 feet tall and stretches 550 feet across, creates a reservoir covering 15 acres, has a storage capacity of 120 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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 06/26/2016. That was over 10 years ago.
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Location
| State | Idaho |
| County | Power |
| Nearest City | Snake River |
| River/Stream | Spring Snake River |
| Coordinates | 42.73380, -112.94880 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 550 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 50 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/26/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00182 |
| Federal ID | ID00182 |
| More Info | State Dam Safety Program |