Boole, located in Applegate, California, is a privately owned dam designed for flood risk reduction along the Tr American River. Constructed in 1951, this earth dam stands at a height of 25 feet with a hydraulic height of 20 feet, providing a storage capacity of 65 acre-feet. Although primarily serving flood risk reduction purposes, Boole also supports irrigation, recreation, and water supply needs in the region.

Managed by the Natural Resources Conservation Service, Boole is regulated and inspected by the California Department of Water Resources for safety and compliance. With a low hazard potential and a satisfactory condition assessment, this dam poses minimal risks to surrounding communities. Boole's last inspection took place in February 2020, ensuring its continued functionality and safety for the local area.

While Boole may not be a prominent feature on the landscape, its role in managing water resources and mitigating flood risks in Placer County is crucial. As climate change intensifies the frequency and severity of extreme weather events, dams like Boole play a vital role in protecting communities and ecosystems from potential harm. By ensuring proper maintenance and oversight, Boole stands as a testament to the importance of sustainable water resource management in the face of a changing climate.