Basin Creek Dam #2

BASIN CREEK· Silver Bow, Montana· Built 1907· Earth· 49 ft tall
Significant Hazard Water Supply Local Government

Key Takeaway

Basin Creek Dam #2 is classified as significant hazard in Montana. It was completed in 1907 and is 119 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 49 ft (taller than 96.6% in MT)
Dam Length320 ft
Dam TypeEarth
Max Storage290 acre-ft
Normal Storage196 acre-ft
Surface Area14 acres
Drainage Area5 sq mi
Max Discharge370 cfs
Year Completed1907 (119 years old)
Year Modified2015
NID IDMT00868

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: July 1, 2019
State Regulated: Yes
Regulatory Agency: DNRC

Ownership

BUTTE-SILVER BOW

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Basin Creek Dam #2?

Basin Creek Dam #2 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Basin Creek Dam #2?

Basin Creek Dam #2 is owned by BUTTE-SILVER BOW (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Basin Creek Dam #2 built?

Basin Creek Dam #2 was completed in 1907, making it 119 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 Basin Creek Dam #2?

Basin Creek Dam #2 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Basin Creek Dam #2?

Basin Creek Dam #2 has a dam height of 49 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.

When was Basin Creek Dam #2 last inspected?

Basin Creek Dam #2 was last inspected on July 1, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.