Antelope Creek Reservoir

TR-WEST FORK SAND CREEK· McCone, Montana· Built 1944· Earth· 22 ft tall

Key Takeaway

Antelope Creek Reservoir is classified as low hazard in Montana. It was completed in 1944 and is 82 years old. Its primary use is fire protection.

Physical Details

Dam Height 22 ft (taller than 63.5% in MT)
Dam Length1,000 ft
Dam TypeEarth
Max Storage97 acre-ft
Normal Storage63 acre-ft
Drainage Area4 sq mi
Max Discharge1,500 cfs
Year Completed1944 (82 years old)
NID IDMT03169

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

T & S STOCK CO

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Antelope Creek Reservoir?

Antelope 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 Antelope Creek Reservoir?

Antelope Creek Reservoir is owned by T & S STOCK CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Antelope Creek Reservoir built?

Antelope Creek Reservoir was completed in 1944, making it 82 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 Antelope Creek Reservoir?

Antelope Creek 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 Antelope Creek Reservoir?

Antelope Creek Reservoir has a dam height of 22 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.