B. Butler No.1

TR MOREAU· Ziebach, South Dakota· Built 1946· Earth· 20 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

B. Butler No.1 is classified as low hazard in South Dakota. It was completed in 1946 and is 80 years old. Its primary use is fire protection.

Physical Details

Dam Height 20 ft (taller than 33.7% in SD)
Dam Length1,060 ft
Dam TypeEarth
Max Storage182 acre-ft
Normal Storage117 acre-ft
Max Discharge7,560 cfs
Year Completed1946 (80 years old)
NID IDSD00515

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

B. BUTLER

Private

Nearby Dams

Roy Veit No.4

Ziebach, SD

Low Hazard 25 ft

B. Butler No.2

Ziebach, SD

Low Hazard 14 ft

Tribe No.2

Ziebach, SD

Low Hazard 23 ft

B. Butler No.3

Ziebach, SD

Low Hazard 16 ft

Bednar Dam

Ziebach, SD

High Hazard 19 ft

Viet No.2

Ziebach, SD

Low Hazard 29 ft

C. Mraz

Ziebach, SD

Low Hazard 13 ft

M. Mraz

Ziebach, SD

Low Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of B. Butler No.1?

B. Butler No.1 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 B. Butler No.1?

B. Butler No.1 is owned by B. BUTLER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was B. Butler No.1 built?

B. Butler No.1 was completed in 1946, making it 80 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 B. Butler No.1?

B. Butler No.1 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 B. Butler No.1?

B. Butler No.1 has a dam height of 20 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.