Grass Lake
Key Takeaway
Grass Lake is classified as low hazard in California. It was completed in 1893 and is 133 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 10 ft (taller than 2.3% in CA) |
| Dam Length | 220 ft |
| Dam Type | Earth |
| Normal Storage | 180 acre-ft |
| Max Discharge | 275 cfs |
| Year Completed | 1893 (133 years old) |
| NID ID | CA10329 |
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
USDA FS
Federal Government
Nearby Dams
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Significant Hazard 29 ftUpper Salmon
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Significant Hazard 11 ftUpper Sardine Lake
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Low Hazard 23 ftLower Sardine Lake
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Grass Lake?
Grass 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 Grass Lake?
Grass Lake is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grass Lake built?
Grass Lake was completed in 1893, making it 133 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 Grass Lake?
Grass Lake serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Grass Lake?
Grass Lake has a dam height of 10 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 Grass Lake last inspected?
Grass Lake was last inspected on September 22, 2008. Inspection dates indicate when a formal review occurred, not the results of that inspection.