City of Murdo Number #1

TR-BAD RIVER· Jones, South Dakota· Built 1938· Earth· 39 ft tall
Significant Hazard Water Supply Recreation Local Government

Key Takeaway

City of Murdo Number #1 is classified as significant hazard in South Dakota. It was completed in 1938 and is 88 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 39 ft (taller than 96.2% in SD)
Dam Length1,100 ft
Dam TypeEarth
Max Storage1.7K acre-ft
Normal Storage825 acre-ft
Surface Area55 acres
Drainage Area7 sq mi
Max Discharge7,300 cfs
Year Completed1938 (88 years old)
NID IDSD00142

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
Last Inspection: May 14, 1981
State Regulated: Yes
Regulatory Agency: DANR

Ownership

CITY OF MURDO

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of City of Murdo Number #1?

City of Murdo Number #1 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 City of Murdo Number #1?

City of Murdo Number #1 is owned by CITY OF MURDO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was City of Murdo Number #1 built?

City of Murdo Number #1 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 City of Murdo Number #1?

City of Murdo Number #1 serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is City of Murdo Number #1?

City of Murdo Number #1 has a dam height of 39 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.

When was City of Murdo Number #1 last inspected?

City of Murdo Number #1 was last inspected on May 14, 1981. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.