The radioactive wastes produced in South Africa from medical, industrial and mining  activities are mostly low level waste. The waste is controlled, managed and safely packed into sealed storage containers. The waste is long term stored at the National repository to full decay. The post application of nuclear fuel assemblies at the national nuclear power station produces high level spent fuel.  For the last four decades, all the spent fuel assemblies are safely stored at the power station; in the spent fuel pools within the reactor. This storage is monitored by international policy and practices as driven by the United Nations. The paper describes South Africa’s experiences with a deep dive into the management processes of radioactive materials.  The study extracts the present-day practices that ensure the safe use of the uranium as a resource, with zero impact to the environment. Given the potential impact to future generations as the radioactivity decays into time and the material returns to natural ore, the study tables South Africa’s engineered geological infrastructure solutions to accommodate the high level waste and absorb the long-time factor of decay back to natural ore.