Continental #1

RIO DE FLAG - TR· Coconino, Arizona· Built 1972· Earth· 32 ft tall
High Hazard Irrigation Private

Key Takeaway

Continental #1 is classified as high hazard in Arizona. It was completed in 1972 and is 54 years old. Its primary use is irrigation. 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 32 ft (taller than 58% in AZ)
Dam Length533 ft
Dam TypeEarth
Max Storage105 acre-ft
Normal Storage71 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge58 cfs
Year Completed1972 (54 years old)
NID IDAZ00062

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: August 28, 2020
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

FLAGSTAFF GOLF MAINTENANCE COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Continental #1?

Continental #1 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 Continental #1?

Continental #1 is owned by FLAGSTAFF GOLF MAINTENANCE COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Continental #1 built?

Continental #1 was completed in 1972, making it 54 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 Continental #1?

Continental #1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Continental #1?

Continental #1 has a dam height of 32 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 Continental #1 last inspected?

Continental #1 was last inspected on August 28, 2020. 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.