Bill Trask

TRIB CHEYENE· Pennington, South Dakota· Built 1964· Earth· 32 ft tall

Key Takeaway

Bill Trask is classified as low hazard in South Dakota. It was completed in 1964 and is 62 years old. Its primary use is fire protection.

Physical Details

Dam Height 32 ft (taller than 90.4% in SD)
Dam Length925 ft
Dam TypeEarth
Max Storage260 acre-ft
Normal Storage190 acre-ft
Max Discharge12,600 cfs
Year Completed1964 (62 years old)
NID IDSD01970

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

JIM BLOOM LAVON SHEARER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bill Trask?

Bill Trask 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 Bill Trask?

Bill Trask is owned by JIM BLOOM LAVON SHEARER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bill Trask built?

Bill Trask was completed in 1964, making it 62 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 Bill Trask?

Bill Trask 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 Bill Trask?

Bill Trask has a dam height of 32 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.