Moses Lake North Dam
Key Takeaway
Moses Lake North Dam is classified as low hazard in Washington. It was completed in 1930 and is 96 years old. Its primary use is irrigation.
Physical Details
| Dam Length | 88 ft |
| Dam Type | Gravity |
| Max Storage | 50.0K acre-ft |
| Normal Storage | 50.0K acre-ft |
| Surface Area | 6,800 acres |
| Drainage Area | 3,080 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | WA00129 |
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
Moses Lake Irrigation Dist.
Public Utility
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Moses Lake North Dam?
Moses Lake North Dam 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 Moses Lake North Dam?
Moses Lake North Dam is owned by Moses Lake Irrigation Dist. (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Moses Lake North Dam built?
Moses Lake North Dam was completed in 1930, making it 96 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 Moses Lake North Dam?
Moses Lake North Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Moses Lake North Dam last inspected?
Moses Lake North Dam was last inspected on February 10, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.