National Water Act: Classes and resource quality objectives of water resources for catchments of Lower Vaal (Gazette 39943, Notice R470)
https://www.polity.org.za/article/national-water-act-classes-and-resource-quality-objectives-of-water-resources-for-catchments-of-lower-vaal-gazette-39943-notice-r470-2016-05-09
9th May 2016
National Water Act: Classes and resource quality objectives of water resources for catchments of Lower Vaal (Gazette 39943, Notice R470)