Hughes is a dam located in Valley County, Idaho, built in 1957. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 43 ft43 ft tall and 220 ft long, taller than 89% 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 Hughes
The primary purpose of Hughes 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 Stover Creek Boulder Creek near Hwy 55.
The dam stands 43 feet tall and stretches 220 feet across, creates a reservoir covering 11 acres, has a storage capacity of 141 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
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 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 06/28/2017.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Idaho |
| County | Valley |
| Nearest City | Hwy 55 |
| River/Stream | Stover Creek Boulder Creek |
| Coordinates | 44.77820, -116.02100 |
Physical Characteristics
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 220 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 141 acre-ft |
| Normal Storage | 141 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 267 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/28/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | ID00126 |
| Federal ID | ID00126 |
| More Info | State Dam Safety Program |