The quality of mine water discharge has improved significantly over the last decade, and research suggests that government could consider a transition away from current, active acid mine drainage (AMD) treatments, to a more passive approach. Council for Geoscience (CGS) environmental geoscienceshttps://www.engineeringnews.co.za/article/amd-treatment-could-start-transitioning-from-expensive-energy-intensive-treatments-to-natural-attenuation-2022-10-26