Ludlow Dam
Key Takeaway
Ludlow Dam is classified as low hazard in South Dakota. It was completed in 1951 and is 75 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 36 ft (taller than 94.9% in SD) |
| Dam Length | 850 ft |
| Dam Type | Earth |
| Max Storage | 3.4K acre-ft |
| Normal Storage | 2.9K acre-ft |
| Max Discharge | 1,500 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | SD00618 |
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
LUDLOW COOP. GRAZING
Private
Nearby Dams
North Dam
Harding, SD
Low Hazard 22 ftNiemi No.5
Harding, SD
Low Hazard 14 ftNiemi No.4
Harding, SD
Significant Hazard 19 ftJacobi Dam
Harding, SD
Low Hazard 22 ftMink Dam
Harding, SD
Low Hazard 21 ftNiemi No.1
Harding, SD
Low Hazard 25 ftBrowns Pond Dam
Harding, SD
Low Hazard 21 ftLermeny Dam
Harding, SD
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Ludlow Dam?
Ludlow Dam 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 Ludlow Dam?
Ludlow Dam is owned by LUDLOW COOP. GRAZING (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ludlow Dam built?
Ludlow Dam was completed in 1951, making it 75 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 Ludlow Dam?
Ludlow Dam serves the following purposes: Irrigation, 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 Ludlow Dam?
Ludlow Dam has a dam height of 36 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.