Coronado Gen. Station

LITTLE COLORADO RIVER - TR· Apache, Arizona· Built 1978· Earth· 53 ft tall
Significant Hazard Other Public Utility

Key Takeaway

Coronado Gen. Station is classified as significant hazard in Arizona. It was completed in 1978 and is 48 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 53 ft (taller than 81.4% in AZ)
Dam Length3,300 ft
Dam TypeEarth
Max Storage7.1K acre-ft
Normal Storage4.7K acre-ft
Surface Area330 acres
Drainage Area3 sq mi
Max Discharge450 cfs
Year Completed1978 (48 years old)
NID IDAZ00155

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: April 17, 2018
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

SALT RIVER PROJECT

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Coronado Gen. Station?

Coronado Gen. Station is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Coronado Gen. Station?

Coronado Gen. Station is owned by SALT RIVER PROJECT (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Coronado Gen. Station built?

Coronado Gen. Station was completed in 1978, making it 48 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 Coronado Gen. Station?

Coronado Gen. Station serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Coronado Gen. Station?

Coronado Gen. Station has a dam height of 53 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 Coronado Gen. Station last inspected?

Coronado Gen. Station was last inspected on April 17, 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.