Saint Croix Falls
Key Takeaway
Saint Croix Falls is classified as high hazard in Wisconsin. It was completed in 1905 and is 121 years old. Its primary use is hydroelectric. 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 Height | 60 ft (taller than 98.8% in WI) |
| Dam Length | 1,760 ft |
| Dam Type | Arch |
| Max Storage | 27.5K acre-ft |
| Normal Storage | 12.5K acre-ft |
| Surface Area | 413 acres |
| Drainage Area | 6,240 sq mi |
| Max Discharge | 87,000 cfs |
| Year Completed | 1905 (121 years old) |
| NID ID | WI00023 |
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
Xcel Energy
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Saint Croix Falls?
Saint Croix Falls 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 Saint Croix Falls?
Saint Croix Falls is owned by Xcel Energy (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Saint Croix Falls built?
Saint Croix Falls was completed in 1905, making it 121 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 Saint Croix Falls?
Saint Croix Falls serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Saint Croix Falls?
Saint Croix Falls has a dam height of 60 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 Saint Croix Falls last inspected?
Saint Croix Falls was last inspected on December 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.