Locke Lake
Key Takeaway
Locke Lake is classified as significant hazard in Minnesota. It was completed in 1956 and is 70 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 63.7% in MN) |
| Dam Length | 100 ft |
| Dam Type | Concrete |
| Max Storage | 320 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 200 sq mi |
| Max Discharge | 3,000 cfs |
| Year Completed | 1956 (70 years old) |
| Year Modified | 1994 |
| NID ID | MN00396 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Fridley
Local Government
Nearby Dams
Coon Rapids
Anoka, MN
Significant Hazard 30 ftHansen Park
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Low Hazard 7 ftRound Lake
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Low Hazard 10 ftSt. Anthony Falls Upper Lock and Dam
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Significant Hazard 41 ftElm Creek
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Significant Hazard 16 ftRum River
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Low Hazard 24 ftPlymouth Creek
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Locke Lake?
Locke Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Locke Lake?
Locke Lake is owned by City of Fridley (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Locke Lake built?
Locke Lake was completed in 1956, making it 70 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 Locke Lake?
Locke Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Locke Lake?
Locke Lake has a dam height of 21 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 Locke Lake last inspected?
Locke Lake was last inspected on May 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.