C Ben Ross

UNNAMED STREAM LITTLE WEISER RIVER· Adams, Idaho· Built 1937· 61 ft tall
High Hazard Other Private

Key Takeaway

C Ben Ross is classified as high hazard in Idaho. It was completed in 1937 and is 89 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 61 ft (taller than 84.1% in ID)
Dam Length1,260 ft
Normal Storage8.6K acre-ft
Surface Area353 acres
Drainage Area6 sq mi
Max Discharge189 cfs
Year Completed1937 (89 years old)
Year Modified2012
NID IDID00136

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: June 18, 2019
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of C Ben Ross?

C Ben Ross is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates C Ben Ross?

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

When was C Ben Ross built?

C Ben Ross was completed in 1937, making it 89 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 C Ben Ross?

C Ben Ross 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 C Ben Ross?

C Ben Ross has a dam height of 61 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 C Ben Ross last inspected?

C Ben Ross was last inspected on June 18, 2019. 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.