Granlees
Key Takeaway
Granlees is classified as low hazard in California. It was completed in 1921 and is 105 years old. Its primary use is other.
Physical Details
| Dam Height | 17 ft (taller than 11.1% in CA) |
| Dam Length | 364 ft |
| Dam Type | Gravity |
| Max Storage | 75 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 535 sq mi |
| Year Completed | 1921 (105 years old) |
| NID ID | CA00599 |
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
Consumnes Irrigation Association and Rancho Murieta Community Services District
Public Utility
Nearby Dams
Clementia
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Significant Hazard 33 ftChesbro
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High Hazard 79 ftMichigan Bar No. 1
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Significant Hazard 17 ftMichigan Bar No. 2
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Low Hazard 36 ftVan Vleck
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Significant Hazard 26 ftCalero
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High Hazard 55 ftSchneider
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Low Hazard 22 ftMills
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High Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Granlees?
Granlees 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 Granlees?
Granlees is owned by Consumnes Irrigation Association and Rancho Murieta Community Services District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Granlees built?
Granlees was completed in 1921, making it 105 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 Granlees?
Granlees serves the following purposes: Other, Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Granlees?
Granlees has a dam height of 17 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 Granlees last inspected?
Granlees was last inspected on February 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.