Golden Glenn #1

COLE CREEK· Carbon, Montana· Built 1947· Earth· 40 ft tall
Low Hazard Irrigation Private

Key Takeaway

Golden Glenn #1 is classified as low hazard in Montana. It was completed in 1947 and is 79 years old. Its primary use is irrigation.

Physical Details

Dam Height 40 ft (taller than 95.1% in MT)
Dam Length100 ft
Dam TypeEarth
Max Storage136 acre-ft
Normal Storage76 acre-ft
Drainage Area20 sq mi
Max Discharge2,000 cfs
Year Completed1947 (79 years old)
NID IDMT02189

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

COLE CREEK ANGUS RANCH

Private

Frequently Asked Questions

What is the hazard classification of Golden Glenn #1?

Golden Glenn #1 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 Golden Glenn #1?

Golden Glenn #1 is owned by COLE CREEK ANGUS RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Golden Glenn #1 built?

Golden Glenn #1 was completed in 1947, making it 79 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 Golden Glenn #1?

Golden Glenn #1 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 Golden Glenn #1?

Golden Glenn #1 has a dam height of 40 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.