Clemens Reservoir

YELLOWJACKET CREEK· Harney, Oregon· Built 1967· Earth· 35 ft tall
Low Hazard Recreation State Government

Key Takeaway

Clemens Reservoir is classified as low hazard in Oregon. It was completed in 1967 and is 59 years old. Its primary use is recreation.

Physical Details

Dam Height 35 ft (taller than 69.6% in OR)
Dam Length603 ft
Dam TypeEarth
Max Storage450 acre-ft
Normal Storage331 acre-ft
Surface Area33 acres
Drainage Area8 sq mi
Max Discharge300 cfs
Year Completed1967 (59 years old)
NID IDOR00425

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: April 2, 2015
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

OREGON DEPARTMENT OF FISH AND WILDLIFE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Clemens Reservoir?

Clemens 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 Clemens Reservoir?

Clemens Reservoir is owned by OREGON DEPARTMENT OF FISH AND WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Clemens Reservoir built?

Clemens Reservoir was completed in 1967, making it 59 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 Clemens Reservoir?

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

How tall is Clemens Reservoir?

Clemens Reservoir has a dam height of 35 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 Clemens Reservoir last inspected?

Clemens Reservoir was last inspected on April 2, 2015. 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.