Grizzley Creek Reservoir No. 2

NORTH FORK GRIZZLEY CREEK· Jackson, Oregon· Built 1955· Earth· 10 ft tall
Low Hazard Irrigation Private

Key Takeaway

Grizzley Creek Reservoir No. 2 is classified as low hazard in Oregon. It was completed in 1955 and is 71 years old. Its primary use is irrigation.

Physical Details

Dam Height 10 ft (taller than 0.6% in OR)
Dam Length590 ft
Dam TypeEarth
Max Storage360 acre-ft
Normal Storage273 acre-ft
Surface Area43 acres
Drainage Area1 sq mi
Max Discharge91 cfs
Year Completed1955 (71 years old)
NID IDOR00218

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: October 19, 2016
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

NEUMAN PROPERTIES AND DEVELOPMENT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grizzley Creek Reservoir No. 2?

Grizzley Creek Reservoir No. 2 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 Grizzley Creek Reservoir No. 2?

Grizzley Creek Reservoir No. 2 is owned by NEUMAN PROPERTIES AND DEVELOPMENT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grizzley Creek Reservoir No. 2 built?

Grizzley Creek Reservoir No. 2 was completed in 1955, making it 71 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 Grizzley Creek Reservoir No. 2?

Grizzley Creek Reservoir No. 2 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 Grizzley Creek Reservoir No. 2?

Grizzley Creek Reservoir No. 2 has a dam height of 10 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 Grizzley Creek Reservoir No. 2 last inspected?

Grizzley Creek Reservoir No. 2 was last inspected on October 19, 2016. 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.