Mark Fisher Dam

TR MOREAU RIVER· Perkins, South Dakota· Built 1957· Earth· 21 ft tall

Key Takeaway

Mark Fisher Dam is classified as high hazard in South Dakota. It was completed in 1957 and is 69 years old. Its primary use is fire protection. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 21 ft (taller than 40.7% in SD)
Dam Length506 ft
Dam TypeEarth
Max Storage92 acre-ft
Normal Storage44 acre-ft
Surface Area6 acres
Drainage Area2 sq mi
Max Discharge2,958 cfs
Year Completed1957 (69 years old)
Year Modified1988
NID IDSD01754

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: November 9, 2021
State Regulated: Yes
Regulatory Agency: DANR

Ownership

JOHN & FATHER ARNOLD KARI

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mark Fisher Dam?

Mark Fisher Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Mark Fisher Dam?

Mark Fisher Dam is owned by JOHN & FATHER ARNOLD KARI (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mark Fisher Dam built?

Mark Fisher Dam 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 Mark Fisher Dam?

Mark Fisher Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mark Fisher Dam?

Mark Fisher Dam has a dam height of 21 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 Mark Fisher Dam last inspected?

Mark Fisher Dam was last inspected on November 9, 2021. 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.