Little Green Lake Dam
Key Takeaway
Little Green Lake Dam is classified as high hazard in Washington. It was completed in 1959 and is 67 years old. Its primary use is fish and wildlife pond. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 88 ft |
| Dam Type | Earth |
| Max Storage | 268 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | WA00080 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
WA DFW
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Little Green Lake Dam?
Little Green Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Little Green Lake Dam?
Little Green Lake Dam is owned by WA DFW (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Green Lake Dam built?
Little Green Lake Dam was completed in 1959, making it 67 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 Little Green Lake Dam?
Little Green Lake Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Little Green Lake Dam last inspected?
Little Green Lake Dam was last inspected on April 11, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.