Oakley Eide No.3

S FORK WHETSTONE CREEK· Gregory, South Dakota· Built 1975· Earth· 43 ft tall
Low Hazard Irrigation Private

Key Takeaway

Oakley Eide No.3 is classified as low hazard in South Dakota. It was completed in 1975 and is 51 years old. Its primary use is irrigation.

Physical Details

Dam Height 43 ft (taller than 97.6% in SD)
Dam Length350 ft
Dam TypeEarth
Max Storage100 acre-ft
Normal Storage75 acre-ft
Max Discharge4,902 cfs
Year Completed1975 (51 years old)
NID IDSD02189

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: July 31, 1991
State Regulated: Yes
Regulatory Agency: DANR

Ownership

OAKLEY EIDE

Private

Nearby Dams

Oakley Eide No.2

Gregory, SD

Low Hazard 50 ft

Oakley Eide No.1

Gregory, SD

Low Hazard 35 ft

Burke

Gregory, SD

Low Hazard 25 ft

Randall Rc&D Ca-176-Gr

Gregory, SD

Low Hazard 69 ft

Steffen Dam

Gregory, SD

Low Hazard 24 ft

H.J. Kerner No.1

Gregory, SD

Low Hazard 25 ft

Robertson No.1

Gregory, SD

Significant Hazard 30 ft

Fred Kerner No.1

Gregory, SD

Low Hazard 28 ft

Frequently Asked Questions

What is the hazard classification of Oakley Eide No.3?

Oakley Eide No.3 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 Oakley Eide No.3?

Oakley Eide No.3 is owned by OAKLEY EIDE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Oakley Eide No.3 built?

Oakley Eide No.3 was completed in 1975, making it 51 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 Oakley Eide No.3?

Oakley Eide No.3 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 Oakley Eide No.3?

Oakley Eide No.3 has a dam height of 43 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 Oakley Eide No.3 last inspected?

Oakley Eide No.3 was last inspected on July 31, 1991. 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.