Krogman No.4

TR LITTLE WHITE OFFSTREAM· Jones, South Dakota· Built 1957· Earth· 30 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Recreation Private

Key Takeaway

Krogman No.4 is classified as low hazard in South Dakota. It was completed in 1957 and is 69 years old. Its primary use is fire protection.

Physical Details

Dam Height 30 ft (taller than 85.2% in SD)
Dam Length362 ft
Dam TypeEarth
Max Storage24 acre-ft
Normal Storage20 acre-ft
Max Discharge2,400 cfs
Year Completed1957 (69 years old)
NID IDSD01541

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
State Regulated: Yes
Regulatory Agency: DANR

Ownership

KROGMAN

Private

Nearby Dams

Richardson Number 1

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Low Hazard 27 ft

Hix Number 1

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Low Hazard 33 ft

Dykstra Number 12

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Low Hazard 34 ft

Bachelor No. 1

Mellette, SD

Low Hazard 26 ft

Olson No. 1

Mellette, SD

Low Hazard 26 ft

Dykstra Nulmber 11

Jones, SD

Low Hazard 27 ft

Rada No. 2

Mellette, SD

Low Hazard 25 ft

Olson No. 2

Mellette, SD

Low Hazard 28 ft

Frequently Asked Questions

What is the hazard classification of Krogman No.4?

Krogman No.4 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 Krogman No.4?

Krogman No.4 is owned by KROGMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Krogman No.4 built?

Krogman No.4 was completed in 1957, making it 69 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 Krogman No.4?

Krogman No.4 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Krogman No.4?

Krogman No.4 has a dam height of 30 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.

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.