Jay Lake
Key Takeaway
Jay Lake is classified as low hazard in South Dakota. It was completed in 1946 and is 80 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 29 ft (taller than 82.6% in SD) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 46 acre-ft |
| Normal Storage | 21 acre-ft |
| Max Discharge | 390 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | SD00938 |
Safety Information
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?
Ownership
JAY LAKE
Private
Nearby Dams
Jay A. Lake No.3
Potter, SD
Low Hazard 24 ftJay A. Lake No.2
Potter, SD
Low Hazard 26 ftT. Holzwarth
Potter, SD
Low Hazard 20 ftA. Houck
Potter, SD
Low Hazard 31 ftCarl Cronin
Potter, SD
Low Hazard 24 ftJay A. Lake No.4
Potter, SD
Low Hazard 17 ftBob Houck No.3
Potter, SD
Low Hazard 35 ftJay A. Lake No.5
Potter, SD
Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Jay Lake?
Jay Lake 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 Lake?
Jay Lake is owned by JAY LAKE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jay Lake built?
Jay Lake was completed in 1946, making it 80 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 Lake?
Jay Lake 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 Lake?
Jay Lake has a dam height of 29 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.