Ray E. Smith Dam

COTTONWOOD CREEK· Custer, South Dakota· Built 1954· Earth· 18 ft tall

Key Takeaway

Ray E. Smith Dam is classified as low hazard in South Dakota. It was completed in 1954 and is 72 years old. Its primary use is fire protection.

Physical Details

Dam Height 18 ft (taller than 24.1% in SD)
Dam Length350 ft
Dam TypeEarth
Max Storage72 acre-ft
Normal Storage56 acre-ft
Max Discharge1,100 cfs
Year Completed1954 (72 years old)
NID IDSD01380

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

LUCILE HARTSHORN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ray E. Smith Dam?

Ray E. Smith 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 Ray E. Smith Dam?

Ray E. Smith Dam is owned by LUCILE HARTSHORN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ray E. Smith Dam built?

Ray E. Smith Dam was completed in 1954, making it 72 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 Ray E. Smith Dam?

Ray E. Smith 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 Ray E. Smith Dam?

Ray E. Smith Dam has a dam height of 18 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.