Black Dog Lake
Key Takeaway
Black Dog Lake is classified as low hazard in Minnesota. It was completed in 1953 and is 73 years old. Its primary use is water supply.
Physical Details
| Dam Height | 20 ft (taller than 60.7% in MN) |
| Dam Length | 120 ft |
| Dam Type | Gravity |
| Max Storage | 3.6K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 530 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 6,250 cfs |
| Year Completed | 1953 (73 years old) |
| NID ID | MN00349 |
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
Xcel Energy
Public Utility
Nearby Dams
Mac Pond 2
Hennepin, MN
Low Hazard 35 ftBlack Dog Lake West
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Significant Hazard 49 ftSunset Lake
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High Hazard 21 ftNormandale Lake
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Low Hazard 7 ftKaposia Park
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Significant Hazard 79 ftPrior Lake
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Low Hazard 5 ftFrequently Asked Questions
What is the hazard classification of Black Dog Lake?
Black Dog 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 Black Dog Lake?
Black Dog Lake is owned by Xcel Energy (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black Dog Lake built?
Black Dog Lake was completed in 1953, making it 73 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 Black Dog Lake?
Black Dog Lake serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Black Dog Lake?
Black Dog Lake 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 Black Dog Lake last inspected?
Black Dog Lake was last inspected on August 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.