Unnamed Tank

WHITLOCK WASH· Graham, Arizona· Earth· 11 ft tall

Key Takeaway

Unnamed Tank is classified as low hazard in Arizona. Its primary use is fire protection.

Physical Details

Dam Height 11 ft (taller than 7.8% in AZ)
Dam Length1,366 ft
Dam TypeEarth
Normal Storage53 acre-ft
Surface Area10 acres
NID IDAZ00339

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: November 17, 2011
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

ARIZONA STATE LAND DEPARTMENT;MAX KILLIAN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Unnamed Tank?

Unnamed 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 Unnamed Tank?

Unnamed Tank is owned by ARIZONA STATE LAND DEPARTMENT;MAX KILLIAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Unnamed Tank?

Unnamed Tank serves the following purposes: 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 Unnamed Tank?

Unnamed Tank has a dam height of 11 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 Unnamed Tank last inspected?

Unnamed Tank was last inspected on November 17, 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.