Sandstone Dam

GREYBULL RIVER· Big Horn, Wyoming· Built 2003· Gravity·
Low Hazard Other Federal Government

Key Takeaway

Sandstone Dam is classified as low hazard in Wyoming. It was completed in 2003 and is 23 years old. Its primary use is other.

Physical Details

Dam Length489 ft
Dam TypeGravity
Max Storage1.2K acre-ft
Normal Storage0 acre-ft
Surface Area67 acres
Drainage Area0 sq mi
Max Discharge11 cfs
Year Completed2003 (23 years old)
NID IDWY01161

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 4, 2016
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Harrington

Big Horn, WY

Significant Hazard 30 ft

Fairview Extension

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Significant Hazard 37 ft

Albert Wardell No. 1

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Low Hazard 30 ft

Delbert Jones

Big Horn, WY

Low Hazard 18 ft

Lake Mckinney

Big Horn, WY

Low Hazard 26 ft

Bench Canal

Big Horn, WY

Low Hazard 35 ft

White

Big Horn, WY

Low Hazard 20 ft

Phipps No. 1

Big Horn, WY

Low Hazard 15 ft

Frequently Asked Questions

What is the hazard classification of Sandstone Dam?

Sandstone 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 Sandstone Dam?

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

When was Sandstone Dam built?

Sandstone Dam was completed in 2003, making it 23 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 Sandstone Dam?

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

When was Sandstone Dam last inspected?

Sandstone Dam was last inspected on August 4, 2016. 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.