Crandall Reservoir

BADGER CREEK· Roosevelt, Montana· Built 1937· Earth· 20 ft tall

Key Takeaway

Crandall Reservoir is classified as low hazard in Montana. It was completed in 1937 and is 89 years old. Its primary use is fire protection.

Physical Details

Dam Height 20 ft (taller than 44.5% in MT)
Dam Length450 ft
Dam TypeEarth
Max Storage206 acre-ft
Normal Storage106 acre-ft
Max Discharge700 cfs
Year Completed1937 (89 years old)
NID IDMT02020

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

FRED H CLARK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crandall Reservoir?

Crandall 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 Crandall Reservoir?

Crandall Reservoir is owned by FRED H CLARK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crandall Reservoir built?

Crandall Reservoir was completed in 1937, making it 89 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 Crandall Reservoir?

Crandall 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 Crandall Reservoir?

Crandall Reservoir 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.