Collins Dam

TR CHEYENNE· Meade, South Dakota· Built 1949· Earth· 21 ft tall

Key Takeaway

Collins Dam is classified as low hazard in South Dakota. It was completed in 1949 and is 77 years old. Its primary use is fire protection.

Physical Details

Dam Height 21 ft (taller than 40.7% in SD)
Dam Length550 ft
Dam TypeEarth
Max Storage118 acre-ft
Normal Storage36 acre-ft
Max Discharge3,000 cfs
Year Completed1949 (77 years old)
NID IDSD00402

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

RALPH COLLINS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Collins Dam?

Collins Dam 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 Collins Dam?

Collins Dam is owned by RALPH COLLINS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Collins Dam built?

Collins Dam was completed in 1949, making it 77 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 Collins Dam?

Collins Dam 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 Collins Dam?

Collins Dam has a dam height of 21 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.