Randall Rc&D Ca-176-Gr

S. FORK WHETSTONE CREEK-TR· Gregory, South Dakota· Built 1976· Earth· 69 ft tall
Low Hazard Grade Stabilization Local Government

Key Takeaway

Randall Rc&D Ca-176-Gr is classified as low hazard in South Dakota. It was completed in 1976 and is 50 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 69 ft (taller than 99.5% in SD)
Dam Length316 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage71 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
Max Discharge747 cfs
Year Completed1976 (50 years old)
NID IDSD02301

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

GREGORY COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Randall Rc&D Ca-176-Gr?

Randall Rc&D Ca-176-Gr 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 Randall Rc&D Ca-176-Gr?

Randall Rc&D Ca-176-Gr is owned by GREGORY COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Randall Rc&D Ca-176-Gr built?

Randall Rc&D Ca-176-Gr was completed in 1976, making it 50 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 Randall Rc&D Ca-176-Gr?

Randall Rc&D Ca-176-Gr serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Randall Rc&D Ca-176-Gr?

Randall Rc&D Ca-176-Gr has a dam height of 69 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.