Mud Creek #1 Reservoir

MUD CREEK· Malheur, Oregon· Built 1957· Gravity·
Low Hazard Other Federal Government

Key Takeaway

Mud Creek #1 Reservoir is classified as low hazard in Oregon. It was completed in 1957 and is 69 years old. Its primary use is other.

Physical Details

Dam Length330 ft
Dam TypeGravity
Max Storage354 acre-ft
Normal Storage103 acre-ft
Surface Area40 acres
Drainage Area2 sq mi
Max Discharge544 cfs
Year Completed1957 (69 years old)
NID IDOR00761

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: September 19, 2018
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mud Creek #1 Reservoir?

Mud Creek #1 Reservoir 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 Mud Creek #1 Reservoir?

Mud Creek #1 Reservoir is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mud Creek #1 Reservoir built?

Mud Creek #1 Reservoir was completed in 1957, making it 69 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 Mud Creek #1 Reservoir?

Mud Creek #1 Reservoir serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Mud Creek #1 Reservoir last inspected?

Mud Creek #1 Reservoir was last inspected on September 19, 2018. 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.