Weaver Dam

DOVETAIL CREEK· Fergus, Montana· Built 1966· Earth· 25 ft tall

Key Takeaway

Weaver Dam is classified as low hazard in Montana. It was completed in 1966 and is 60 years old. Its primary use is fire protection.

Physical Details

Dam Height 25 ft (taller than 70.3% in MT)
Dam Length250 ft
Dam TypeEarth
Max Storage117 acre-ft
Normal Storage69 acre-ft
Drainage Area2 sq mi
Max Discharge600 cfs
Year Completed1966 (60 years old)
NID IDMT00166

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

WILLIAM W. & EDWARD I. WEAVER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Weaver Dam?

Weaver 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 Weaver Dam?

Weaver Dam is owned by WILLIAM W. & EDWARD I. WEAVER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Weaver Dam built?

Weaver Dam was completed in 1966, making it 60 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 Weaver Dam?

Weaver Dam 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 Weaver Dam?

Weaver Dam has a dam height of 25 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.