Jumbo, a private-owned dam located in Yavapai, Arizona, serves as a crucial resource for fish and wildlife pond purposes. Built in 1945, this earth dam stands at 32 feet high and spans 320 feet in length, with a storage capacity of 200 acre-feet. It is regulated by the Arizona Department of Water Resources and undergoes regular inspections, with a low hazard potential and moderate risk assessment rating.

Situated along the Ash Fork Draw river, Jumbo provides essential fire protection and stock watering capabilities in addition to its primary function as a fish and wildlife habitat. With a surface area of 17 acres and a normal storage capacity of 114 acre-feet, this dam plays a vital role in supporting the local ecosystem. Despite its age, Jumbo remains a reliable structure with no reported condition assessment and a history of meeting regulatory guidelines.

As a significant feature in the water resource and climate landscape of Arizona, Jumbo is a testament to the importance of maintaining and managing dams for both environmental and community benefits. Its operation and oversight by the Arizona Department of Water Resources ensure the continued safety and functionality of this essential infrastructure for years to come.