Officer Reservoir

UTLEY CREEK· Grant, Oregon· Built 1970· Earth· 34 ft tall
Low Hazard Irrigation Private

Key Takeaway

Officer Reservoir is classified as low hazard in Oregon. It was completed in 1970 and is 56 years old. Its primary use is irrigation.

Physical Details

Dam Height 34 ft (taller than 68.2% in OR)
Dam Length840 ft
Dam TypeEarth
Max Storage400 acre-ft
Normal Storage317 acre-ft
Surface Area23 acres
Drainage Area4 sq mi
Max Discharge230 cfs
Year Completed1970 (56 years old)
NID IDOR00458

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: May 7, 2013
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

T.G. BROWN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Officer Reservoir?

Officer 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 Officer Reservoir?

Officer Reservoir is owned by T.G. BROWN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Officer Reservoir built?

Officer Reservoir was completed in 1970, making it 56 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 Officer Reservoir?

Officer 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 Officer Reservoir?

Officer Reservoir has a dam height of 34 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 Officer Reservoir last inspected?

Officer Reservoir was last inspected on May 7, 2013. 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.