Viet No.1

TR MOREAU· Ziebach, South Dakota· Built 1962· Earth· 30 ft tall
Low Hazard Irrigation Private

Key Takeaway

Viet No.1 is classified as low hazard in South Dakota. It was completed in 1962 and is 64 years old. Its primary use is irrigation.

Physical Details

Dam Height 30 ft (taller than 85.2% in SD)
Dam Length1,280 ft
Dam TypeEarth
Max Storage396 acre-ft
Normal Storage214 acre-ft
Max Discharge1,600 cfs
Year Completed1962 (64 years old)
NID IDSD00318

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

RAY VEIT

Private

Nearby Dams

V. Miller No.1

Ziebach, SD

Low Hazard 21 ft

V. Miller No.2

Ziebach, SD

Significant Hazard 18 ft

Baxter No.2

Ziebach, SD

Low Hazard 26 ft

Baxter No.1

Ziebach, SD

Low Hazard 25 ft

Baxter No.3

Ziebach, SD

Low Hazard 20 ft

D. Ulrich

Perkins, SD

Low Hazard 15 ft

Z. Drum

Perkins, SD

Low Hazard 14 ft

Viet No.2

Ziebach, SD

Low Hazard 29 ft

Frequently Asked Questions

What is the hazard classification of Viet No.1?

Viet 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 Viet No.1?

Viet No.1 is owned by RAY VEIT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Viet No.1 built?

Viet No.1 was completed in 1962, making it 64 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 Viet No.1?

Viet No.1 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 Viet No.1?

Viet No.1 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.