Sand Lake
Key Takeaway
Sand Lake is classified as significant hazard in Wyoming. It was completed in 1956 and is 70 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 21.5% in WY) |
| Dam Length | 762 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 92 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,250 cfs |
| Year Completed | 1956 (70 years old) |
| Year Modified | 2003 |
| NID ID | WY00327 |
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
WHEATLAND IRRIGATION DISTRICT
Private
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Sand Lake?
Sand 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 Sand Lake?
Sand Lake is owned by WHEATLAND IRRIGATION DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sand Lake built?
Sand 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 Sand Lake?
Sand Lake serves the following purposes: Irrigation, 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 Sand Lake?
Sand 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 Sand Lake last inspected?
Sand Lake was last inspected on August 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.