B. Silverman Dam

PRETTY CREEK· Ziebach, South Dakota· Built 1940· Earth· 21 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Fish And Wildlife Pond Private

Key Takeaway

B. Silverman Dam is classified as low hazard in South Dakota. It was completed in 1940 and is 86 years old. Its primary use is fire protection.

Physical Details

Dam Height 21 ft (taller than 40.7% in SD)
Dam Length560 ft
Dam TypeEarth
Max Storage490 acre-ft
Normal Storage188 acre-ft
Surface Area26 acres
Drainage Area3 sq mi
Max Discharge1,642 cfs
Year Completed1940 (86 years old)
Year Modified2001
NID IDSD00581

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: June 1, 1986
State Regulated: Yes
Regulatory Agency: DANR

Ownership

ARLIE DAVIS

Private

Nearby Dams

Mraz Bros

Ziebach, SD

Low Hazard 27 ft

Tribe No.4

Ziebach, SD

Low Hazard 28 ft

Sammons

Ziebach, SD

Low Hazard 21 ft

M. Mraz

Ziebach, SD

Low Hazard 22 ft

Johnson

Ziebach, SD

Low Hazard 21 ft

Sammons No.2

Ziebach, SD

Low Hazard 27 ft

C. Mraz

Ziebach, SD

Low Hazard 13 ft

J. Reich No.1

Dewey, SD

Low Hazard 28 ft

Frequently Asked Questions

What is the hazard classification of B. Silverman Dam?

B. Silverman Dam 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. Silverman Dam?

B. Silverman Dam is owned by ARLIE DAVIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was B. Silverman Dam built?

B. Silverman Dam was completed in 1940, making it 86 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. Silverman Dam?

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

How tall is B. Silverman Dam?

B. Silverman 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 B. Silverman Dam last inspected?

B. Silverman Dam was last inspected on June 1, 1986. 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.