Grassy Lake (Hatch)
Key Takeaway
Grassy Lake (Hatch) is classified as significant hazard in Utah. It was completed in 2005 and is 21 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 275 acre-ft |
| Drainage Area | 2 sq mi |
| Year Completed | 2005 (21 years old) |
| NID ID | UT00428 |
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
TWO BEAR LAND AND GRAZING CORPORATION
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Grassy Lake (Hatch)?
Grassy Lake (Hatch) 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 Grassy Lake (Hatch)?
Grassy Lake (Hatch) is owned by TWO BEAR LAND AND GRAZING CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grassy Lake (Hatch) built?
Grassy Lake (Hatch) was completed in 2005, making it 21 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 Grassy Lake (Hatch)?
Grassy Lake (Hatch) serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Grassy Lake (Hatch) last inspected?
Grassy Lake (Hatch) was last inspected on August 29, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.