Tribe No.3
Key Takeaway
Tribe No.3 is classified as low hazard in South Dakota. It was completed in 1952 and is 74 years old. Its primary use is water supply.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 140 acre-ft |
| Normal Storage | 75 acre-ft |
| Max Discharge | 4,500 cfs |
| Year Completed | 1952 (74 years old) |
| NID ID | SD00510 |
Safety Information
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?
Ownership
CHEYENNE RIVER SIOUX TRIBE
Federal Government
Nearby Dams
M. Matthews
Ziebach, SD
Low Hazard 26 ftMatter
Ziebach, SD
Low Hazard 18 ftHulm
Ziebach, SD
Low Hazard 18 ftTribe No.11
Ziebach, SD
Low Hazard 28 ftGlad Valley
Ziebach, SD
Low Hazard 18 ftR. Bierman
Ziebach, SD
Low Hazard 17 ftK. Dorsey No.1
Ziebach, SD
Low Hazard 22 ftL. Barnica
Ziebach, SD
Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Tribe No.3?
Tribe 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 Tribe No.3?
Tribe No.3 is owned by CHEYENNE RIVER SIOUX TRIBE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tribe No.3 built?
Tribe No.3 was completed in 1952, making it 74 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 Tribe No.3?
Tribe No.3 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tribe No.3?
Tribe No.3 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.