Melstone Detention Dam

MUSSELSHELL RIVER· Musselshell, Montana· Built 2003· Gravity·
High Hazard Fire Protection Stock Or Small Fish Pond Federal Government

Key Takeaway

Melstone Detention Dam is classified as high hazard in Montana. It was completed in 2003 and is 23 years old. Its primary use is fire protection. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length1,050 ft
Dam TypeGravity
Max Storage209 acre-ft
Normal Storage108 acre-ft
Surface Area41 acres
Drainage Area3 sq mi
Max Discharge1,045 cfs
Year Completed2003 (23 years old)
NID IDMT00813

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: July 20, 2020
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Melstone Detention Dam?

Melstone Detention Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Melstone Detention Dam?

Melstone Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Melstone Detention Dam built?

Melstone Detention Dam was completed in 2003, making it 23 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 Melstone Detention Dam?

Melstone Detention 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.

When was Melstone Detention Dam last inspected?

Melstone Detention Dam was last inspected on July 20, 2020. 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.