Number 10 Tank

PARTRIDGE CANYON WATERSHED· Coconino, Arizona· Built 1939· Earth· 21 ft tall

Key Takeaway

Number 10 Tank is classified as low hazard in Arizona. It was completed in 1939 and is 87 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 21 ft (taller than 32.9% in AZ)
Dam Length500 ft
Dam TypeEarth
Max Storage167 acre-ft
Normal Storage96 acre-ft
Surface Area9 acres
Drainage Area7 sq mi
Max Discharge7,164 cfs
Year Completed1939 (87 years old)
NID IDAZ00220

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 19, 2011
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

ARIZONA STATE LAND DEPARTMENT;JUNIPERWOOD RANCH, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Number 10 Tank?

Number 10 Tank 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 Number 10 Tank?

Number 10 Tank is owned by ARIZONA STATE LAND DEPARTMENT;JUNIPERWOOD RANCH, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Number 10 Tank built?

Number 10 Tank was completed in 1939, making it 87 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 Number 10 Tank?

Number 10 Tank serves the following purposes: Fish And Wildlife Pond, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Number 10 Tank?

Number 10 Tank has a dam height of 21 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 Number 10 Tank last inspected?

Number 10 Tank was last inspected on August 19, 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.