Willow Springs

WILLOW SPRINGS· Coconino, Arizona· Built 1970· Rockfill· 80 ft tall
Low Hazard Recreation State Government

Key Takeaway

Willow Springs is classified as low hazard in Arizona. It was completed in 1970 and is 56 years old. Its primary use is recreation.

Physical Details

Dam Height 80 ft (taller than 87.9% in AZ)
Dam Length700 ft
Dam TypeRockfill
Max Storage4.2K acre-ft
Normal Storage3.7K acre-ft
Surface Area150 acres
Drainage Area4 sq mi
Max Discharge3,055 cfs
Year Completed1970 (56 years old)
NID IDAZ00088

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: May 9, 2018
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

ARIZONA GAME & FISH DEPARTMENT

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Willow Springs?

Willow Springs 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 Willow Springs?

Willow Springs is owned by ARIZONA GAME & FISH DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Willow Springs built?

Willow Springs was completed in 1970, making it 56 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 Willow Springs?

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

How tall is Willow Springs?

Willow Springs has a dam height of 80 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 Willow Springs last inspected?

Willow Springs was last inspected on May 9, 2018. 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.