W. Knox

SOUTH CHAPELLE CREEK· Hyde, South Dakota· Built 1941· Earth· 24 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

W. Knox is classified as low hazard in South Dakota. It was completed in 1941 and is 85 years old. Its primary use is fire protection.

Physical Details

Dam Height 24 ft (taller than 53.3% in SD)
Dam Length680 ft
Dam TypeEarth
Max Storage240 acre-ft
Normal Storage168 acre-ft
Max Discharge1,680 cfs
Year Completed1941 (85 years old)
NID IDSD00275

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

W. KNOX

Private

Nearby Dams

J. Peterson

Hyde, SD

Low Hazard 21 ft

W. Peterson

Hyde, SD

Low Hazard 27 ft

Chapelle

Hyde, SD

Low Hazard 20 ft

Harter Pond Dam

Hyde, SD

Low Hazard 9 ft

J. Harter

Hyde, SD

Low Hazard 14 ft

L. Runestad

Hyde, SD

Low Hazard 15 ft

J. Harter

Hyde, SD

Low Hazard 14 ft

K Lazy K Ranch

Hyde, SD

Low Hazard 15 ft

Frequently Asked Questions

What is the hazard classification of W. Knox?

W. Knox 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 W. Knox?

W. Knox is owned by W. KNOX (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was W. Knox built?

W. Knox was completed in 1941, making it 85 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 W. Knox?

W. Knox 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 W. Knox?

W. Knox 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.