El Casco is a historic earth dam located in Riverside, California, specifically in the city of Redlands along the San Timoteo Creek. Built in 1879, it serves primarily as a water supply reservoir for irrigation purposes. With a height of 19 feet and a storage capacity of 143 acre-feet, the dam is operated and regulated by the California Department of Water Resources, Safety of Dams division, ensuring its safety and compliance with state regulations.

Despite its age, El Casco is in satisfactory condition with a low hazard potential, as determined by regular inspections. The dam boasts a robust structure, standing at a length of 1200 feet and a hydraulic height of 16 feet. Managed by private owners, the dam plays a crucial role in water resource management in the region, providing essential water supply for agricultural activities and contributing to the overall ecological balance of the area.

As a key feature in the local water infrastructure, El Casco represents a significant historical and functional asset. With its long-standing presence and continued operational relevance, the dam stands as a testament to the importance of sustainable water management practices in the face of changing climate patterns and increasing water resource challenges. Enthusiasts of water resources and climate resilience will find El Casco to be a fascinating example of how past engineering feats continue to play a vital role in shaping the water landscape of California.