Ab-Bc is a private earth dam located in Kearny, Arizona, with a primary purpose of storing tailings. This high-hazard dam has a height of 150 feet and a storage capacity of 180,000 acre-feet. While details about its construction year and condition assessment are not available, the Mine Safety and Health Administration is responsible for regulating and inspecting this structure.

Situated in Pinal County, Ab-Bc poses a potential risk due to its high-hazard classification, although there is no specific information available on emergency action plans or risk management measures. The dam is not under state jurisdiction or regulation, with no state permitting, inspection, or enforcement processes in place. Despite its critical importance for tailings storage, the dam's operational and maintenance history remains unknown.

Given the lack of detailed information on Ab-Bc's structure and management, there is a need for further assessment and monitoring to ensure its safety and integrity. Water resource and climate enthusiasts interested in the intersection of infrastructure and environmental stewardship may find Ab-Bc's profile intriguing, as it highlights the importance of proper dam maintenance and regulatory oversight in safeguarding both water resources and surrounding communities.