Hill Lake Dam
Key Takeaway
Hill Lake Dam is classified as low hazard in Washington. It was completed in 1984 and is 42 years old. Its primary use is irrigation.
Physical Details
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 120 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 90 cfs |
| Year Completed | 1984 (42 years old) |
| NID ID | WA00501 |
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
Santiago Seafarer's Society
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hill Lake Dam?
Hill Lake 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 Hill Lake Dam?
Hill Lake Dam is owned by Santiago Seafarer's Society (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hill Lake Dam built?
Hill Lake Dam was completed in 1984, making it 42 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 Hill Lake Dam?
Hill Lake 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.