Sd Noname 66

TR-BAD RIVER· Haakon, South Dakota· Built 1938· Earth· 16 ft tall

Key Takeaway

Sd Noname 66 is classified as low hazard in South Dakota. It was completed in 1938 and is 88 years old. Its primary use is fire protection.

Physical Details

Dam Height 16 ft (taller than 15.7% in SD)
Dam Length570 ft
Dam TypeEarth
Max Storage109 acre-ft
Normal Storage40 acre-ft
Max Discharge1,080 cfs
Year Completed1938 (88 years old)
NID IDSD00823

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

JAMES HEWITT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sd Noname 66?

Sd Noname 66 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 Sd Noname 66?

Sd Noname 66 is owned by JAMES HEWITT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sd Noname 66 built?

Sd Noname 66 was completed in 1938, making it 88 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 66?

Sd Noname 66 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 66?

Sd Noname 66 has a dam height of 16 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.