Crazy Creek Reservoir

TR-WARM SPRING CREEK· Fergus, Montana· Built 1946· Earth· 30 ft tall
Low Hazard Irrigation Private

Key Takeaway

Crazy Creek Reservoir is classified as low hazard in Montana. It was completed in 1946 and is 80 years old. Its primary use is irrigation.

Physical Details

Dam Height 30 ft (taller than 82.7% in MT)
Dam Length100 ft
Dam TypeEarth
Max Storage92 acre-ft
Normal Storage36 acre-ft
Year Completed1946 (80 years old)
NID IDMT03422

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

JUNE LAMP CLARK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crazy Creek Reservoir?

Crazy Creek Reservoir 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 Crazy Creek Reservoir?

Crazy Creek Reservoir is owned by JUNE LAMP CLARK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crazy Creek Reservoir built?

Crazy Creek Reservoir 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 Crazy Creek Reservoir?

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

How tall is Crazy Creek Reservoir?

Crazy Creek Reservoir has a dam height of 30 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.