Wills is a privately owned earth dam located in Jackson County, Colorado, with a primary purpose of irrigation. Completed in 1917, this dam stands at 13 feet high and has a length of 250 feet, providing storage for up to 60 acre-feet of water. Situated on Sixmile Creek-OS, the dam's location in Saratoga, Wyoming, makes it a pivotal resource for water management in the region.

Despite its age, Wills has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. With a risk assessment categorizing it as high, there is a need for continued monitoring and risk management measures to ensure the safety and reliability of this crucial water resource infrastructure. The last inspection of Wills took place in August 1989, emphasizing the importance of regular assessments to safeguard against potential failures.

In light of its historical significance and continued importance for irrigation in the area, Wills serves as a reminder of the intricate balance between water resource management and climate resilience. As climate change poses new challenges for water availability and infrastructure durability, the preservation and upkeep of dams like Wills are essential for sustainable water resource management in the face of evolving environmental conditions.