Arivaca, a state-regulated dam located in Pima County, Arizona, serves as a vital resource for the conservation of fish and wildlife in the area. Built in 1970, this earth dam on Cedar Creek stands at a height of 30 feet, with a structural height of 48 feet and a length of 385 feet. It has a storage capacity of 2915 acre-feet and covers a surface area of 89 acres, making it a significant feature in the region's water management infrastructure.

Managed by the Arizona Department of Water Resources, Arivaca Dam has a spillway width of 39 feet and a maximum discharge capacity of 3954 cubic feet per second. Despite its significant hazard potential, the dam is assessed to be in satisfactory condition, with a condition assessment date in February 2017. Regular inspections are conducted, with a frequency of every three years to ensure the safety and functionality of the structure.

With a moderate risk assessment rating, Arivaca Dam plays a crucial role in water resource management and flood control in the region. As a key feature for fish and wildlife conservation and recreational purposes, the dam showcases the importance of sustainable water management practices in the face of changing climate conditions.