Cambria, located in Columbia County, Wisconsin, is a locally owned and regulated earth dam on the North Branch Duck Creek. Completed in 1849, this dam serves primarily for water supply purposes, with a storage capacity of 200 acre-feet and a normal storage of 102 acre-feet. The dam stands at a height of 28 feet and has a hydraulic height of 22 feet, with a length of 300 feet and a drainage area of 8.5 square miles.

Despite its age, Cambria Dam has been well-maintained and is in satisfactory condition according to its last assessment in January 2020. The dam has a high hazard potential due to its location and design, with a moderate risk rating. It has undergone modifications in 1993 and 2006, ensuring its continued functionality and safety. The dam is inspected every two years, with the last inspection conducted in July 2019, demonstrating a commitment to ensuring its integrity and the safety of the surrounding community.

Cambria Dam is a vital infrastructure for the region, providing not only water supply but also recreational opportunities. With its historical significance and importance in water resource management, Cambria Dam serves as a testament to the enduring impact of human ingenuity in harnessing and managing natural resources for the benefit of society.