Boulder Flood Basin

COPPER CREEK· Yavapai, Arizona· Built 1983· Earth· 45 ft tall
Low Hazard Other Private

Key Takeaway

Boulder Flood Basin is classified as low hazard in Arizona. It was completed in 1983 and is 43 years old. Its primary use is other.

Physical Details

Dam Height 45 ft (taller than 75.2% in AZ)
Dam Length480 ft
Dam TypeEarth
Max Storage154 acre-ft
Normal Storage0 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge1,140 cfs
Year Completed1983 (43 years old)
NID IDAZ00212

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: December 15, 2011
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

FREEEPORT-MCMORAN COPPER & GOLD BAGDAD OPERATIONS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Boulder Flood Basin?

Boulder Flood Basin 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 Boulder Flood Basin?

Boulder Flood Basin is owned by FREEEPORT-MCMORAN COPPER & GOLD BAGDAD OPERATIONS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Boulder Flood Basin built?

Boulder Flood Basin was completed in 1983, making it 43 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 Boulder Flood Basin?

Boulder Flood Basin 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 Boulder Flood Basin?

Boulder Flood Basin has a dam height of 45 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 Boulder Flood Basin last inspected?

Boulder Flood Basin was last inspected on December 15, 2011. 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.