Yucaipa No. 3 is a crucial water resource infrastructure situated in Yucaipa, California, and completed in 1978. The dam stands at a height of 35 feet and has a hydraulic height of 30 feet, serving primarily for water supply purposes. With a storage capacity of 32 acre-feet, this earth-type dam plays a vital role in meeting the water needs of the surrounding area.

Owned and regulated by the state of California, Yucaipa No. 3 is subject to regular inspections and enforcement to ensure its structural integrity and safety. The dam has a low hazard potential and was last assessed to be in satisfactory condition in September 2017. Located on the Tr Yucaipa Cr river/stream, it covers a surface area of 4 acres and has a drainage area of 0.04 square miles, making it an important component of the local water management system.

Despite its modest size, Yucaipa No. 3 plays a significant role in water supply and recreation for the region. With its strategic location in San Bernardino County, California, this dam serves as a reliable water source while also offering recreational opportunities for the community. As a state-regulated structure, it undergoes regular maintenance and inspections to ensure its continued functionality and safety for all those who depend on it.