Whiteley Peak

DIAMOND CR· Grand, Colorado· Built 1941· Earth· 60 ft tall

Key Takeaway

Whiteley Peak is classified as significant hazard in Colorado. It was completed in 1941 and is 85 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 60 ft (taller than 91.3% in CO)
Dam Length775 ft
Dam TypeEarth
Max Storage1.1K acre-ft
Normal Storage773 acre-ft
Surface Area46 acres
Drainage Area17 sq mi
Max Discharge3,675 cfs
Year Completed1941 (85 years old)
NID IDCO00706

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: Yes
Last Inspection: August 23, 2022
State Regulated: Yes
Regulatory Agency: DWR

Ownership

PEAK RANCH (HAMMER, DAVE)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Whiteley Peak?

Whiteley Peak 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 Whiteley Peak?

Whiteley Peak is owned by PEAK RANCH (HAMMER, DAVE) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Whiteley Peak built?

Whiteley Peak was completed in 1941, making it 85 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 Whiteley Peak?

Whiteley Peak serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Whiteley Peak?

Whiteley Peak has a dam height of 60 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 Whiteley Peak last inspected?

Whiteley Peak was last inspected on August 23, 2022. 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.