Boynton Lake Dam

MINERAL CREEK· Apache, Arizona· Built 1974· Earth· 27 ft tall

Key Takeaway

Boynton Lake Dam is classified as low hazard in Arizona. It was completed in 1974 and is 52 years old. Its primary use is recreation.

Physical Details

Dam Height 27 ft (taller than 47.2% in AZ)
Dam Length700 ft
Dam TypeEarth
Max Storage200 acre-ft
Normal Storage98 acre-ft
Drainage Area10 sq mi
Max Discharge3,045 cfs
Year Completed1974 (52 years old)
NID IDAZ00139

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: April 20, 2006
State Regulated: No

Ownership

USDA FS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Boynton Lake Dam?

Boynton Lake Dam 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 Boynton Lake Dam?

Boynton Lake Dam is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Boynton Lake Dam built?

Boynton Lake Dam was completed in 1974, making it 52 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 Boynton Lake Dam?

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

How tall is Boynton Lake Dam?

Boynton Lake Dam has a dam height of 27 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 Boynton Lake Dam last inspected?

Boynton Lake Dam was last inspected on April 20, 2006. 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.