Big Racetrack Lake Dam

Racetrack Creek· Granite, Montana· Built 1973· Earth· 24 ft tall
Low Hazard Irrigation Private

Key Takeaway

Big Racetrack Lake Dam is classified as low hazard in Montana. It was completed in 1973 and is 53 years old. Its primary use is irrigation.

Physical Details

Dam Height 24 ft (taller than 67.5% in MT)
Dam Length265 ft
Dam TypeEarth
Max Storage345 acre-ft
Normal Storage300 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge66 cfs
Year Completed1973 (53 years old)
NID IDMT00531

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: No

Ownership

Glenn J Launderville

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Big Racetrack Lake Dam?

Big Racetrack Lake Dam 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 Big Racetrack Lake Dam?

Big Racetrack Lake Dam is owned by Glenn J Launderville (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Racetrack Lake Dam built?

Big Racetrack Lake Dam was completed in 1973, making it 53 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 Big Racetrack Lake Dam?

Big Racetrack Lake Dam 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 Big Racetrack Lake Dam?

Big Racetrack Lake Dam has a dam height of 24 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.