Upper Salmon Falls Dam

Upper Salmon Falls Dam is a concrete dam located in Gooding County, Idaho, built in 1937. It carries a Low hazard potential classification and has a fair condition assessment.

About Upper Salmon Falls Dam

The primary purpose of Upper Salmon Falls Dam is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Idaho Power Company (private). It impounds the Snake River.

The dam stands 32 feet tall and stretches 1,620 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 600 acre-feet, and collects water from a drainage area of 32,200 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.

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 09/20/2017.

At 32 feet, this dam is taller than 76% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyGooding
Nearest CityNone
River/StreamSnake River
Coordinates42.76560, -114.89530

Physical Characteristics

Dam TypeConcrete
NID Height32 ft
Dam Height23 ft
Dam Length1,620 ft
Year Completed1937 (89 years old)

Storage & Hydraulics

NID Storage600 acre-ft
Max Storage600 acre-ft
Normal Storage600 acre-ft
Surface Area50 acres
Drainage Area32,200 sq mi
Max Discharge48,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerIdaho Power Company
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection09/20/2017
Emergency Action PlanNot Required

Identifiers

NID IDID00224
Federal IDID00224
More InfoState Dam Safety Program

Nearby Dams