Middle Creek Lake (Cascade)

MIDDLE CREEK(E.F.HOUND CREEK)· Cascade, Montana· Built 1950· Earth· 30 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Middle Creek Lake (Cascade) is classified as significant hazard in Montana. It was completed in 1950 and is 76 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 30 ft (taller than 82.7% in MT)
Dam Length285 ft
Dam TypeEarth
Max Storage584 acre-ft
Normal Storage338 acre-ft
Drainage Area6 sq mi
Max Discharge400 cfs
Year Completed1950 (76 years old)
NID IDMT00201

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

SIEBEN LIVESTOCK CO

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Middle Creek Lake (Cascade)?

Middle Creek Lake (Cascade) is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Middle Creek Lake (Cascade)?

Middle Creek Lake (Cascade) is owned by SIEBEN LIVESTOCK CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Middle Creek Lake (Cascade) built?

Middle Creek Lake (Cascade) was completed in 1950, making it 76 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 Middle Creek Lake (Cascade)?

Middle Creek Lake (Cascade) 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 Middle Creek Lake (Cascade)?

Middle Creek Lake (Cascade) 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.