Trail Diversion

LITTLE CANYON CREEK SNAKE RIVER· Elmore, Idaho· Built 1962· 28 ft tall
Low Hazard Other Private

Key Takeaway

Trail Diversion is classified as low hazard in Idaho. It was completed in 1962 and is 64 years old. Its primary use is other.

Physical Details

Dam Height 28 ft (taller than 51.2% in ID)
Dam Length530 ft
Normal Storage63 acre-ft
Surface Area8 acres
Drainage Area29 sq mi
Max Discharge1,200 cfs
Year Completed1962 (64 years old)
NID IDID00240

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: August 11, 2017
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Trail Diversion?

Trail Diversion 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 Trail Diversion?

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

When was Trail Diversion built?

Trail Diversion was completed in 1962, making it 64 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 Trail Diversion?

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

How tall is Trail Diversion?

Trail Diversion has a dam height of 28 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 Trail Diversion last inspected?

Trail Diversion was last inspected on August 11, 2017. 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.