Sd Noname 205

TR BAD RIVER· Haakon, South Dakota· Built 1956· Earth· 26 ft tall
Significant Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Sd Noname 205 is classified as significant hazard in South Dakota. It was completed in 1956 and is 70 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 26 ft (taller than 65.2% in SD)
Dam Length50 ft
Dam TypeEarth
Max Storage310 acre-ft
Normal Storage192 acre-ft
Max Discharge550 cfs
Year Completed1956 (70 years old)
NID IDSD01790

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

WALDO ARMSTRONG

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sd Noname 205?

Sd Noname 205 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sd Noname 205?

Sd Noname 205 is owned by WALDO ARMSTRONG (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sd Noname 205 built?

Sd Noname 205 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 Sd Noname 205?

Sd Noname 205 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 Sd Noname 205?

Sd Noname 205 has a dam height of 26 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.