Located in Placer, California, Winchester is a private dam that serves as a crucial water supply infrastructure in the region. Completed in 1999, this earth dam stands at a height of 39 feet and has a storage capacity of 58 acre-feet. The primary purpose of Winchester is to provide water for irrigation, recreation, and domestic use, making it a key asset for the local community.

Winchester is regulated by the California Department of Water Resources and undergoes regular inspections to ensure its safety and structural integrity. With a significant hazard potential, the dam has been assessed as satisfactory in its condition, with the last inspection conducted in January 2021. The dam's location along Tr Orr Creek not only contributes to the region's water supply but also offers recreational opportunities for residents and visitors to enjoy.

Winchester's presence in Virginia Town, California, highlights the importance of proper water resource management in the face of changing climate conditions. As a key component of the local water infrastructure, this dam plays a vital role in sustaining the water needs of the community and underscores the importance of regulatory oversight and maintenance to ensure its continued functionality for years to come.