Manual Oakley Group Dam

TR-MUDDY CREEK· Teton, Montana· Built 1963· Earth· 20 ft tall
Significant Hazard Recreation Private

Key Takeaway

Manual Oakley Group Dam is classified as significant hazard in Montana. It was completed in 1963 and is 63 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 44.5% in MT)
Dam Length335 ft
Dam TypeEarth
Max Storage41 acre-ft
Normal Storage21 acre-ft
Drainage Area1 sq mi
Max Discharge27 cfs
Year Completed1963 (63 years old)
NID IDMT00384

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

KENNETH N KLOPPEL

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Manual Oakley Group Dam?

Manual Oakley Group Dam 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 Manual Oakley Group Dam?

Manual Oakley Group Dam is owned by KENNETH N KLOPPEL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Manual Oakley Group Dam built?

Manual Oakley Group Dam was completed in 1963, making it 63 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 Manual Oakley Group Dam?

Manual Oakley Group Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Manual Oakley Group Dam?

Manual Oakley Group Dam has a dam height of 20 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.