Trophy Lake

SILVER CREEK - TR· Navajo, Arizona· Built 1975· Earth· 33 ft tall
Significant Hazard Recreation Private

Key Takeaway

Trophy Lake is classified as significant hazard in Arizona. It was completed in 1975 and is 51 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 33 ft (taller than 59.3% in AZ)
Dam Length580 ft
Dam TypeEarth
Normal Storage105 acre-ft
Surface Area9 acres
Drainage Area2 sq mi
Year Completed1975 (51 years old)
NID IDAZ00181

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: July 20, 2017
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

JOHN D. OTIS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Trophy Lake?

Trophy Lake 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 Trophy Lake?

Trophy Lake is owned by JOHN D. OTIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Trophy Lake built?

Trophy Lake was completed in 1975, making it 51 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 Trophy Lake?

Trophy Lake 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 Trophy Lake?

Trophy Lake has a dam height of 33 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 Trophy Lake last inspected?

Trophy Lake was last inspected on July 20, 2017. 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.