Hughes

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.

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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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateIdaho
CountyValley
Nearest CityHwy 55
River/StreamStover Creek Boulder Creek
Coordinates44.77820, -116.02100

Physical Characteristics

NID Height43 ft
Dam Height43 ft
Dam Length220 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage141 acre-ft
Normal Storage141 acre-ft
Surface Area11 acres
Drainage Area2 sq mi
Max Discharge267 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection06/28/2017
Emergency Action PlanNo

Identifiers

NID IDID00126
Federal IDID00126
More InfoState Dam Safety Program

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