Sheffels Reservoir

TR-MISSOURI RIVER· Cascade, Montana· Built 1963· Earth· 68 ft tall

Key Takeaway

Sheffels Reservoir is classified as low hazard in Montana. It was completed in 1963 and is 63 years old. Its primary use is fire protection.

Physical Details

Dam Height 68 ft (taller than 98.2% in MT)
Dam Length300 ft
Dam TypeEarth
Max Storage299 acre-ft
Normal Storage178 acre-ft
Year Completed1963 (63 years old)
NID IDMT01190

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

JAMES R SHEFFELS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sheffels Reservoir?

Sheffels 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 Sheffels Reservoir?

Sheffels Reservoir is owned by JAMES R SHEFFELS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sheffels Reservoir built?

Sheffels Reservoir 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 Sheffels Reservoir?

Sheffels Reservoir 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 Sheffels Reservoir?

Sheffels Reservoir has a dam height of 68 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.