Saint Croix Falls, located in Polk, Wisconsin, is a privately owned dam on the St. Croix River with a primary purpose of hydroelectric power generation. This arch dam, completed in 1905, stands at 60 feet tall and has a hydraulic height of 64 feet. With a storage capacity of 27,500 acre-feet, it serves both hydroelectric and recreational purposes, making it a valuable resource for the surrounding area.

Despite its age, Saint Croix Falls is in fair condition with a high hazard potential. The dam has a controlled spillway and a maximum discharge capacity of 87,000 cubic feet per second. It is regulated, permitted, inspected, and enforced by the Wisconsin Department of Natural Resources, ensuring proper maintenance and operation to mitigate any potential risks. The dam's risk assessment indicates a very high risk level, emphasizing the importance of ongoing monitoring and management to safeguard the surrounding community and environment.

As a key component of the local water resource infrastructure, Saint Croix Falls plays a crucial role in balancing water storage and release while generating clean energy. With its historical significance and ongoing regulatory oversight, the dam stands as both a symbol of past engineering achievements and a vital contributor to the region's water resource management efforts in the face of changing climate patterns.