Orchard

INDIAN CREEK BOISE RIVER· Ada, Idaho· Built 1902· 43 ft tall
Significant Hazard Other State Government

Key Takeaway

Orchard is classified as significant hazard in Idaho. It was completed in 1902 and is 124 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 43 ft (taller than 74.3% in ID)
Dam Length2,800 ft
Normal Storage2.0K acre-ft
Surface Area195 acres
Drainage Area51 sq mi
Max Discharge1,500 cfs
Year Completed1902 (124 years old)
NID IDID00206

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: May 9, 2018
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Orchard?

Orchard is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Orchard?

Orchard is owned by information not available (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Orchard built?

Orchard was completed in 1902, making it 124 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 Orchard?

Orchard 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 Orchard?

Orchard has a dam height of 43 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 Orchard last inspected?

Orchard was last inspected on May 9, 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.