Tat Momolikot

SANTA ROSA WASH· Pinal, Arizona· Built 1974· Earth·
High Hazard Irrigation Federal Government

Key Takeaway

Tat Momolikot is classified as high hazard in Arizona. It was completed in 1974 and is 52 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length12,500 ft
Dam TypeEarth
Normal Storage375.0K acre-ft
Year Completed1974 (52 years old)
NID IDAZ10008

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
State Regulated: No

Ownership

BIA

Federal Government

Frequently Asked Questions

What is the hazard classification of Tat Momolikot?

Tat Momolikot is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tat Momolikot?

Tat Momolikot is owned by BIA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tat Momolikot built?

Tat Momolikot was completed in 1974, making it 52 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 Tat Momolikot?

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

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.