Prosser Creek, located in Nevada County, California, is a vital water resource managed by the Bureau of Reclamation for water supply purposes. The Prosser Creek dam, completed in 1962, stands at a height of 133 feet and has a storage capacity of over 41,000 acre-feet. With a surface area of 980 acres and a drainage area of 50 square miles, the dam plays a crucial role in regulating water flow and ensuring a stable water supply for the region.

This earth dam, with a structural height of 163 feet, has a spillway width of 15 feet and is classified as having a high hazard potential. Despite its age, the dam has undergone hydraulic and structural modifications in 2005 to ensure its continued safe operation. While the condition assessment is not available, the dam is inspected regularly, with the last inspection conducted in August 2020. Prosser Creek's risk assessment is considered moderate, with risk management measures in place to mitigate potential hazards and ensure the safety of the surrounding communities.

Prosser Creek serves as a testament to the careful management and oversight of water resources in California, highlighting the importance of infrastructure maintenance and risk management in ensuring a sustainable water supply in the face of changing climate conditions. As a key component of the region's water supply infrastructure, Prosser Creek plays a crucial role in supporting agriculture, urban areas, and environmental needs, making it a valuable asset for water resource and climate enthusiasts alike.