Egin Canal Diversion

Henrys Fork Snake River· Fremont, Idaho· Built 1903· Gravity· 7 ft tall
Low Hazard Irrigation Recreation Hydroelectric Private

Key Takeaway

Egin Canal Diversion is classified as low hazard in Idaho. It was completed in 1903 and is 123 years old. Its primary use is irrigation.

Physical Details

Dam Height 7 ft
Dam Length360 ft
Dam TypeGravity
Max Storage500 acre-ft
Normal Storage500 acre-ft
Surface Area50 acres
Drainage Area1,770 sq mi
Max Discharge50,000 cfs
Year Completed1903 (123 years old)
NID IDID83056

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 1, 2018
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

St. Anthony Hydro

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Egin Canal Diversion?

Egin Canal 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 Egin Canal Diversion?

Egin Canal Diversion is owned by St. Anthony Hydro (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Egin Canal Diversion built?

Egin Canal Diversion was completed in 1903, making it 123 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 Egin Canal Diversion?

Egin Canal Diversion serves the following purposes: Irrigation, Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Egin Canal Diversion?

Egin Canal Diversion has a dam height of 7 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 Egin Canal Diversion last inspected?

Egin Canal Diversion was last inspected on August 1, 2018. 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.