Case Creek Dam 1

CASE CREEK· Marion, Oregon· Built 1971· Earth· 23 ft tall
Low Hazard Irrigation Private

Key Takeaway

Case Creek Dam 1 is classified as low hazard in Oregon. It was completed in 1971 and is 55 years old. Its primary use is irrigation.

Physical Details

Dam Height 23 ft (taller than 39.8% in OR)
Dam Length270 ft
Dam TypeEarth
Max Storage352 acre-ft
Normal Storage255 acre-ft
Surface Area26 acres
Drainage Area5 sq mi
Max Discharge581 cfs
Year Completed1971 (55 years old)
NID IDOR00504

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: August 5, 2020
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

DOUGLAS & PATRICIA KRAHMER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Case Creek Dam 1?

Case Creek Dam 1 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 Case Creek Dam 1?

Case Creek Dam 1 is owned by DOUGLAS & PATRICIA KRAHMER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Case Creek Dam 1 built?

Case Creek Dam 1 was completed in 1971, making it 55 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 Case Creek Dam 1?

Case Creek Dam 1 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 Case Creek Dam 1?

Case Creek Dam 1 has a dam height of 23 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 Case Creek Dam 1 last inspected?

Case Creek Dam 1 was last inspected on August 5, 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.