Gorley Creek

GORLEY CREEK SALMON RIVER· Lemhi, Idaho· Built 1913· 19 ft tall
Low Hazard Irrigation Private

Key Takeaway

Gorley Creek is classified as low hazard in Idaho. It was completed in 1913 and is 113 years old. Its primary use is irrigation.

Physical Details

Dam Height 19 ft (taller than 24.4% in ID)
Dam Length85 ft
Normal Storage115 acre-ft
Surface Area18 acres
Drainage Area1 sq mi
Max Discharge15 cfs
Year Completed1913 (113 years old)
Year Modified1993
NID IDID00144

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: September 14, 2016
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gorley Creek?

Gorley Creek is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Gorley Creek?

Gorley Creek is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gorley Creek built?

Gorley Creek was completed in 1913, making it 113 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Gorley Creek?

Gorley Creek serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Gorley Creek?

Gorley Creek has a dam height of 19 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Gorley Creek last inspected?

Gorley Creek was last inspected on September 14, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.