Lakeside

SHOW LOW CREEK· Navajo, Arizona· Built 1904· Rockfill· 21 ft tall
Significant Hazard Irrigation Recreation Private

Key Takeaway

Lakeside is classified as significant hazard in Arizona. It was completed in 1904 and is 122 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 21 ft (taller than 32.9% in AZ)
Dam Length400 ft
Dam TypeRockfill
Max Storage2.2K acre-ft
Normal Storage1.1K acre-ft
Surface Area118 acres
Drainage Area9 sq mi
Max Discharge16,200 cfs
Year Completed1904 (122 years old)
NID IDAZ00024

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: August 21, 2019
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

SHOW LOW/PINETOP/WOODLAND IRRIGATION COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lakeside?

Lakeside 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 Lakeside?

Lakeside is owned by SHOW LOW/PINETOP/WOODLAND IRRIGATION COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lakeside built?

Lakeside was completed in 1904, making it 122 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 Lakeside?

Lakeside 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 Lakeside?

Lakeside has a dam height of 21 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 Lakeside last inspected?

Lakeside was last inspected on August 21, 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.