Itafos Tailings Pond #4, previously known as Agrium/Conda Tailings Pond #4, is a private-owned facility located in Soda Springs, Idaho. This tailings pond is regulated by the Idaho Department of Water Resources and is designed to hold tailings from mining operations. Built in 1985, the pond stands at a height of 71 feet with a hydraulic height of 62.4 feet, covering a surface area of 260 acres with a storage capacity of 12,168 acre-feet.

Despite its significant hazard potential, Itafos Tailings Pond #4 has been assessed to be in satisfactory condition as of November 2020, with regular inspections and enforcement by the state regulatory agency. The pond lacks a spillway but is equipped with outlet gates. The risk assessment for this facility is classified as high, with a risk level of 2. Although the dam has not been modified over the years, it meets the state's permitting, inspection, and enforcement requirements, ensuring the safety of the surrounding community and environment. For water resource and climate enthusiasts, Itafos Tailings Pond #4 serves as a crucial part of the mining infrastructure in Idaho, highlighting the delicate balance between resource extraction and environmental protection in the region.