Cold Springs

UMATILLA RIVER· Umatilla, Oregon· Built 1907· Earth· 100 ft tall
High Hazard Irrigation Federal Government

Key Takeaway

Cold Springs is classified as high hazard in Oregon. It was completed in 1907 and is 119 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 100 ft (taller than 93.9% in OR)
Dam Length3,450 ft
Dam TypeEarth
Max Storage60.1K acre-ft
Normal Storage50.0K acre-ft
Surface Area1,550 acres
Drainage Area188 sq mi
Max Discharge6,600 cfs
Year Completed1907 (119 years old)
NID IDOR00590

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: July 10, 2020
State Regulated: No

Ownership

RECLAMATION

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cold Springs?

Cold Springs is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cold Springs?

Cold Springs is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cold Springs built?

Cold Springs was completed in 1907, making it 119 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 Cold Springs?

Cold Springs 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 Cold Springs?

Cold Springs has a dam height of 100 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 Cold Springs last inspected?

Cold Springs was last inspected on July 10, 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.