Oliver Detention Dam

BUTTE CREEK· Carter, Montana· Built 2003· Gravity·
Low Hazard Flood Risk Reduction Federal Government

Key Takeaway

Oliver Detention Dam is classified as low hazard in Montana. It was completed in 2003 and is 23 years old. Its primary use is flood risk reduction.

Physical Details

Dam Length3,369 ft
Dam TypeGravity
Max Storage1.3K acre-ft
Surface Area178 acres
Drainage Area0 sq mi
Year Completed2003 (23 years old)
NID IDMT03881

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
Last Inspection: July 25, 2020
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Oliver Detention Dam?

Oliver Detention Dam 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 Oliver Detention Dam?

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

When was Oliver Detention Dam built?

Oliver 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 Oliver Detention Dam?

Oliver Detention Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Oliver Detention Dam last inspected?

Oliver Detention Dam was last inspected on July 25, 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.