Bunch Reservoir

LITTLE COLORADO RIVER· Apache, Arizona· Built 1929· Earth· 22 ft tall
Low Hazard Irrigation Recreation Private

Key Takeaway

Bunch Reservoir is classified as low hazard in Arizona. It was completed in 1929 and is 97 years old. Its primary use is irrigation.

Physical Details

Dam Height 22 ft (taller than 36.8% in AZ)
Dam Length1,200 ft
Dam TypeEarth
Max Storage512 acre-ft
Normal Storage512 acre-ft
Surface Area27 acres
Drainage Area1 sq mi
Year Completed1929 (97 years old)
NID IDAZ00125

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: September 18, 2019
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

PIONEER IRRIGATION COMPANY INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bunch Reservoir?

Bunch Reservoir 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 Bunch Reservoir?

Bunch Reservoir is owned by PIONEER IRRIGATION COMPANY INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bunch Reservoir built?

Bunch Reservoir was completed in 1929, making it 97 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 Bunch Reservoir?

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

How tall is Bunch Reservoir?

Bunch Reservoir has a dam height of 22 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 Bunch Reservoir last inspected?

Bunch Reservoir was last inspected on September 18, 2019. 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.