Steel Dam

JOHNSON CANYON· Coconino, Arizona· Built 1898· Multi-Arch· 46 ft tall
Low Hazard Water Supply Fish And Wildlife Pond Recreation Federal Government

Key Takeaway

Steel Dam is classified as low hazard in Arizona. It was completed in 1898 and is 128 years old. Its primary use is water supply.

Physical Details

Dam Height 46 ft (taller than 77.5% in AZ)
Dam Length320 ft
Dam TypeMulti-Arch
Max Storage97 acre-ft
Normal Storage10 acre-ft
Drainage Area26 sq mi
Max Discharge102 cfs
Year Completed1898 (128 years old)
NID IDAZ00094

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: August 3, 2017
State Regulated: No

Ownership

USDA FS

Federal Government

Nearby Dams

Masonry #2

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Jumbo

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Low Hazard 32 ft

Mclellan

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Low Hazard 21 ft

Mexican Tank

Yavapai, AZ

Low Hazard 27 ft

Little Hell's Canyon

Yavapai, AZ

High Hazard 30 ft

Big Supai Tank

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Low Hazard 34 ft

Big Aso

Coconino, AZ

Low Hazard 16 ft

Sweetwood (K4)

Coconino, AZ

Low Hazard 18 ft

Frequently Asked Questions

What is the hazard classification of Steel Dam?

Steel 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 Steel Dam?

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

When was Steel Dam built?

Steel Dam was completed in 1898, making it 128 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 Steel Dam?

Steel Dam serves the following purposes: Water Supply, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Steel Dam?

Steel Dam has a dam height of 46 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 Steel Dam last inspected?

Steel Dam was last inspected on August 3, 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.