Snoqualmie Mill Pond Dam
Key Takeaway
Snoqualmie Mill Pond Dam is classified as low hazard in Washington. It was completed in 1917 and is 109 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Length | 3,000 ft |
| Dam Type | Other |
| Max Storage | 396 acre-ft |
| Normal Storage | 330 acre-ft |
| Surface Area | 66 acres |
| Drainage Area | 375 sq mi |
| Max Discharge | 45 cfs |
| Year Completed | 1917 (109 years old) |
| NID ID | WA00307 |
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
Weyerhaeuser
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Snoqualmie Mill Pond Dam?
Snoqualmie Mill Pond 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 Snoqualmie Mill Pond Dam?
Snoqualmie Mill Pond Dam is owned by Weyerhaeuser (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Snoqualmie Mill Pond Dam built?
Snoqualmie Mill Pond Dam was completed in 1917, making it 109 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 Snoqualmie Mill Pond Dam?
Snoqualmie Mill Pond Dam 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.