Bancroft
Key Takeaway
Bancroft is classified as low hazard in South Dakota. It was completed in 1939 and is 87 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 196 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,922 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | SD02200 |
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
S&PL
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Bancroft?
Bancroft 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 Bancroft?
Bancroft is owned by S&PL (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bancroft built?
Bancroft was completed in 1939, making it 87 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 Bancroft?
Bancroft serves the following purposes: Recreation, 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 Bancroft?
Bancroft has a dam height of 20 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.
When was Bancroft last inspected?
Bancroft was last inspected on October 22, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.