Willmore

TR-CROOKED CREEK· Fergus, Montana· Built 1946· Earth· 15 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Willmore is classified as low hazard in Montana. It was completed in 1946 and is 80 years old. Its primary use is fire protection.

Physical Details

Dam Height 15 ft (taller than 18.8% in MT)
Dam Length300 ft
Dam TypeEarth
Max Storage63 acre-ft
Normal Storage25 acre-ft
Year Completed1946 (80 years old)
NID IDMT02599

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
State Regulated: Yes
Regulatory Agency: DNRC

Ownership

WARREN WILLMORE

Private

Nearby Dams

Fergus #1

Fergus, MT

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Cope

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Sagebrush #3

Fergus, MT

Low Hazard 20 ft

Cimrhakle #2

Fergus, MT

Low Hazard 20 ft

Indian #4

Fergus, MT

Low Hazard 28 ft

Cimrhakl #3

Fergus, MT

Low Hazard 20 ft

Styer #2

Fergus, MT

Low Hazard 24 ft

Umstead Reservoir

Fergus, MT

Low Hazard 24 ft

Frequently Asked Questions

What is the hazard classification of Willmore?

Willmore 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 Willmore?

Willmore is owned by WARREN WILLMORE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Willmore built?

Willmore was completed in 1946, making it 80 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 Willmore?

Willmore serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Willmore?

Willmore has a dam height of 15 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.

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.