Lacreek Dam No. 7
Key Takeaway
Lacreek Dam No. 7 is classified as low hazard in South Dakota. It was completed in 1934 and is 92 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 11 ft (taller than 1.9% in SD) |
| Dam Length | 6,210 ft |
| Dam Type | Earth |
| Max Storage | 4.4K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 530 acres |
| Drainage Area | 85 sq mi |
| Max Discharge | 1,480 cfs |
| Year Completed | 1934 (92 years old) |
| NID ID | SD10056 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lacreek Dam No. 7?
Lacreek Dam No. 7 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 Lacreek Dam No. 7?
Lacreek Dam No. 7 is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lacreek Dam No. 7 built?
Lacreek Dam No. 7 was completed in 1934, making it 92 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 Lacreek Dam No. 7?
Lacreek Dam No. 7 serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lacreek Dam No. 7?
Lacreek Dam No. 7 has a dam height of 11 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 Lacreek Dam No. 7 last inspected?
Lacreek Dam No. 7 was last inspected on September 8, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.