Jay A. Lake No.4

TR-MISSOURI· Potter, South Dakota· Built 1952· Earth· 17 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Jay A. Lake No.4 is classified as low hazard in South Dakota. It was completed in 1952 and is 74 years old. Its primary use is fire protection.

Physical Details

Dam Height 17 ft (taller than 20.2% in SD)
Dam Length405 ft
Dam TypeEarth
Max Storage82 acre-ft
Normal Storage54 acre-ft
Max Discharge390 cfs
Year Completed1952 (74 years old)
NID IDSD00987

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

JAY A. LAKE

Private

Nearby Dams

Jay A. Lake No.5

Potter, SD

Low Hazard 26 ft

Jay A. Lake No.3

Potter, SD

Low Hazard 24 ft

Hurley

Potter, SD

Significant Hazard 46 ft

C. Iverson

Potter, SD

Low Hazard 33 ft

Jay Lake

Potter, SD

Low Hazard 29 ft

A. Houck

Potter, SD

Low Hazard 31 ft

Bob Houck No.3

Potter, SD

Low Hazard 35 ft

Margery Houck Dam

Potter, SD

Low Hazard 28 ft

Frequently Asked Questions

What is the hazard classification of Jay A. Lake No.4?

Jay A. Lake No.4 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 Jay A. Lake No.4?

Jay A. Lake No.4 is owned by JAY A. LAKE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Jay A. Lake No.4 built?

Jay A. Lake No.4 was completed in 1952, making it 74 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 Jay A. Lake No.4?

Jay A. Lake No.4 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 Jay A. Lake No.4?

Jay A. Lake No.4 has a dam height of 17 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.