Mccormick Reservoir

ROGUE RIVER, TRIB TO· Jackson, Oregon· Built 1954· Earth· 24 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Mccormick Reservoir is classified as significant hazard in Oregon. It was completed in 1954 and is 72 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 24 ft (taller than 42.5% in OR)
Dam Length726 ft
Dam TypeEarth
Max Storage38 acre-ft
Normal Storage38 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge200 cfs
Year Completed1954 (72 years old)
NID IDOR02356

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: No
Last Inspection: December 4, 2020
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

ALAN WHITNEY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mccormick Reservoir?

Mccormick Reservoir 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 Mccormick Reservoir?

Mccormick Reservoir is owned by ALAN WHITNEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mccormick Reservoir built?

Mccormick Reservoir was completed in 1954, making it 72 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 Mccormick Reservoir?

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

How tall is Mccormick Reservoir?

Mccormick Reservoir has a dam height of 24 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 Mccormick Reservoir last inspected?

Mccormick Reservoir was last inspected on December 4, 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.