Mandernach and Carlson 3

TR CHEYENNE· Ziebach, South Dakota· Built 1959· Earth· 24 ft tall

Key Takeaway

Mandernach and Carlson 3 is classified as low hazard in South Dakota. It was completed in 1959 and is 67 years old. Its primary use is fire protection.

Physical Details

Dam Height 24 ft (taller than 53.3% in SD)
Dam Length425 ft
Dam TypeEarth
Max Storage133 acre-ft
Normal Storage64 acre-ft
Max Discharge1,050 cfs
Year Completed1959 (67 years old)
NID IDSD00978

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

MANDERNACH-CARLSON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mandernach and Carlson 3?

Mandernach and Carlson 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 Mandernach and Carlson 3?

Mandernach and Carlson 3 is owned by MANDERNACH-CARLSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mandernach and Carlson 3 built?

Mandernach and Carlson 3 was completed in 1959, making it 67 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 Mandernach and Carlson 3?

Mandernach and Carlson 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 Mandernach and Carlson 3?

Mandernach and Carlson 3 has a dam height of 24 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.