Willow Creek Dam

Willow Creek Dam is a rockfill dam located in Elko County, Nevada, built in 1986. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planOn file
Last inspection05/14/2020
Height58 ft
Built198640 years ago

Dam profile

NID height · 58 ft
58 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

58 ft tall and 493 ft long, taller than 95% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic rockfill embankment section and the water level is illustrative.

About Willow Creek Dam

The primary purpose of Willow Creek Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Nevada Gold Mines LLC (private). It impounds the Willow Creek near Battle Mountain.

The dam stands 58 feet tall and stretches 493 feet across, creates a reservoir covering 480 acres, has a maximum storage capacity of 8,000 acre-feet, and collects water from a drainage area of 113 square miles. Completed in 1986, the structure is 40 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/14/2020.

At 58 feet, this dam is taller than 95% of all dams in the United States.

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Location

StateNevada
CountyElko
Nearest CityBattle Mountain
River/StreamWillow Creek
Coordinates41.22638, -116.53929

Physical Characteristics

Dam TypeRockfill
NID Height58 ft
Dam Height58 ft
Dam Length493 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage8,000 acre-ft
Max Storage8,000 acre-ft
Normal Storage5,000 acre-ft
Surface Area480 acres
Drainage Area113 sq mi
Max Discharge3,520 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerNevada Gold Mines LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection05/14/2020
Emergency Action PlanYes

Identifiers

NID IDNV00054
Federal IDNV00054
More InfoState Dam Safety Program