Clavel No.3

TR CHEYENNE· Ziebach, South Dakota· Built 1956· Earth· 22 ft tall

Key Takeaway

Clavel No.3 is classified as low hazard in South Dakota. It was completed in 1956 and is 70 years old. Its primary use is fire protection.

Physical Details

Dam Height 22 ft (taller than 45.6% in SD)
Dam Length680 ft
Dam TypeEarth
Max Storage209 acre-ft
Normal Storage76 acre-ft
Max Discharge1,680 cfs
Year Completed1956 (70 years old)
NID IDSD01797

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

CLONEL BROS.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Clavel No.3?

Clavel No.3 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 Clavel No.3?

Clavel No.3 is owned by CLONEL BROS. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Clavel No.3 built?

Clavel No.3 was completed in 1956, making it 70 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 Clavel No.3?

Clavel No.3 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 Clavel No.3?

Clavel No.3 has a dam height of 22 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.