Mccuin

TR-LARB CREEK· Valley, Montana· Built 1930· Earth· 10 ft tall
Low Hazard Irrigation Private

Key Takeaway

Mccuin is classified as low hazard in Montana. It was completed in 1930 and is 96 years old. Its primary use is irrigation.

Physical Details

Dam Height 10 ft (taller than 3.7% in MT)
Dam Length1,320 ft
Dam TypeEarth
Max Storage52 acre-ft
Normal Storage16 acre-ft
Year Completed1930 (96 years old)
NID IDMT02696

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

JACK W MCCUIN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mccuin?

Mccuin 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 Mccuin?

Mccuin is owned by JACK W MCCUIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mccuin built?

Mccuin was completed in 1930, making it 96 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 Mccuin?

Mccuin 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 Mccuin?

Mccuin has a dam height of 10 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.