W. Mann No.2
Key Takeaway
W. Mann No.2 is classified as low hazard in South Dakota. It was completed in 1947 and is 79 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 16 ft (taller than 15.7% in SD) |
| Dam Length | 530 ft |
| Dam Type | Earth |
| Max Storage | 84 acre-ft |
| Normal Storage | 53 acre-ft |
| Max Discharge | 1,000 cfs |
| Year Completed | 1947 (79 years old) |
| NID ID | SD00383 |
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
WILLIS MANN
Private
Nearby Dams
W. Mann No.1
Meade, SD
Low Hazard 17 ftHowie Dam
Meade, SD
High Hazard 22 ftD. Gifford No.1
Meade, SD
Low Hazard 22 ftW. Mann No.3
Meade, SD
Low Hazard 15 ftMiller Dam
Meade, SD
Low Hazard 24 ftJ. Huston
Meade, SD
Low Hazard 24 ftHale 1
Meade, SD
Significant Hazard 13 ftBlazek Dam
Meade, SD
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of W. Mann No.2?
W. Mann No.2 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. Mann No.2?
W. Mann No.2 is owned by WILLIS MANN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was W. Mann No.2 built?
W. Mann No.2 was completed in 1947, making it 79 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. Mann No.2?
W. Mann No.2 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. Mann No.2?
W. Mann No.2 has a dam height of 16 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.