Carty Reservoir

COLUMBIA RIVER (COOLING)· Morrow, Oregon· Built 1976· Earth· 80 ft tall
Significant Hazard Irrigation Other Public Utility

Key Takeaway

Carty Reservoir is classified as significant hazard in Oregon. It was completed in 1976 and is 50 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 80 ft (taller than 92% in OR)
Dam Length6,800 ft
Dam TypeEarth
Max Storage150.0K acre-ft
Normal Storage129.0K acre-ft
Surface Area1,450 acres
Drainage Area65 sq mi
Max Discharge22,000 cfs
Year Completed1976 (50 years old)
NID IDOR00619

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: Yes
Last Inspection: March 22, 2018
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

STEVE ANDERSON, C/O PGE BOARDMAN

Public Utility

Frequently Asked Questions

What is the hazard classification of Carty Reservoir?

Carty 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 Carty Reservoir?

Carty Reservoir is owned by STEVE ANDERSON, C/O PGE BOARDMAN (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Carty Reservoir built?

Carty Reservoir was completed in 1976, making it 50 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 Carty Reservoir?

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

How tall is Carty Reservoir?

Carty Reservoir has a dam height of 80 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 Carty Reservoir last inspected?

Carty Reservoir was last inspected on March 22, 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.