Reser Dam

RESER CR/LODGE CK./MILK RIVER· Blaine, Montana· Built 1980· Gravity·
Low Hazard Recreation Federal Government

Key Takeaway

Reser Dam is classified as low hazard in Montana. It was completed in 1980 and is 46 years old. Its primary use is recreation.

Physical Details

Dam Length846 ft
Dam TypeGravity
Max Storage524 acre-ft
Normal Storage450 acre-ft
Surface Area47 acres
Drainage Area4 sq mi
Year Completed1980 (46 years old)
Year Modified1978
NID IDMT03879

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 21, 2020
State Regulated: No

Ownership

DOI BLM

Federal Government

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Frequently Asked Questions

What is the hazard classification of Reser Dam?

Reser 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 Reser Dam?

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

When was Reser Dam built?

Reser Dam was completed in 1980, making it 46 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 Reser Dam?

Reser Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Reser Dam last inspected?

Reser Dam was last inspected on July 21, 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.