St. Marys

RUDD CREEK· Apache, Arizona· Built 1925· Earth· 7 ft tall
Low Hazard Fish And Wildlife Pond State Government

Key Takeaway

St. Marys is classified as low hazard in Arizona. It was completed in 1925 and is 101 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 7 ft (taller than 0.3% in AZ)
Dam Length363 ft
Dam TypeEarth
Normal Storage124 acre-ft
Surface Area25 acres
Drainage Area4 sq mi
Year Completed1925 (101 years old)
NID IDAZ10117

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: June 10, 2013
State Regulated: Yes
Regulatory Agency: ARIZONA DEPARTMENT OF WATER RESOURCES

Ownership

ARIZONA GAME & FISH DEPARTMENT

State Government

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Rogers

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Glen Coe (Mckay)

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Pool Corral

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Hog Wallow

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Frequently Asked Questions

What is the hazard classification of St. Marys?

St. Marys 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 St. Marys?

St. Marys is owned by ARIZONA GAME & FISH DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was St. Marys built?

St. Marys was completed in 1925, making it 101 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 St. Marys?

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

How tall is St. Marys?

St. Marys has a dam height of 7 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 St. Marys last inspected?

St. Marys was last inspected on June 10, 2013. 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.