Wiggins #3

TR-FLATWILLOW CREEK· Petroleum, Montana· Built 1967· Earth· 19 ft tall
Low Hazard Irrigation Private

Key Takeaway

Wiggins #3 is classified as low hazard in Montana. It was completed in 1967 and is 59 years old. Its primary use is irrigation.

Physical Details

Dam Height 19 ft (taller than 42.9% in MT)
Dam Length400 ft
Dam TypeEarth
Max Storage221 acre-ft
Normal Storage109 acre-ft
Drainage Area9 sq mi
Max Discharge500 cfs
Year Completed1967 (59 years old)
NID IDMT02182

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

STANLEY E WIGGINS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wiggins #3?

Wiggins #3 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 Wiggins #3?

Wiggins #3 is owned by STANLEY E WIGGINS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wiggins #3 built?

Wiggins #3 was completed in 1967, making it 59 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 Wiggins #3?

Wiggins #3 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 Wiggins #3?

Wiggins #3 has a dam height of 19 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.