South Fork Detention Dam

BRADSHAW BASIN· Custer, Idaho· Gravity·
Low Hazard Flood Risk Reduction Federal Government

Key Takeaway

South Fork Detention Dam is classified as low hazard in Idaho. Its primary use is flood risk reduction.

Physical Details

Dam Length340 ft
Dam TypeGravity
Max Storage30 acre-ft
Normal Storage24 acre-ft
Surface Area24 acres
Drainage Area4 sq mi
Max Discharge220 cfs
NID IDID00462

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: July 18, 2012
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of South Fork Detention Dam?

South Fork Detention Dam 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 South Fork Detention Dam?

South Fork Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of South Fork Detention Dam?

South Fork Detention Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was South Fork Detention Dam last inspected?

South Fork Detention Dam was last inspected on July 18, 2012. 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.