FEIR for Boitshepi Landfill Site .pdf - Zitholele.co.za

August 2010 508848siltstone, mudstone, sandstone, quartzite and shale. This implies that the site is underlain bydifferent hydrogeological compartments and therefore could be impacted differently.SensitivitiesSurface waterThere are drainage sensitivities posed upon the drainage features surrounding the site(identified wetland and the dam). All the surface water bodies are considered to be sensitivefeatures, and should be avoided as far as possible.Ground waterIn areas underlain by sandstone; waste disposal site leachate is most likely to seep directlyto groundwater. However; in the southern area, the site is underlain by a clay rich horizonand seepage is most likely to flow along this clay layer and could discharge directly into thestream (Please refer to Figure 14).Two aquifers have been identified at the Boitshepi Waste Disposal Site; namely, shallow anddeep aquifers.Shallow aquiferThis is a perched aquifer (at depth between 0 and 10m) present in the south of the wastedisposal site.Deep aquiferThe deep aquifer is present on the contact between the red mudstone and greyish shale.The deep aquifer is highly permeable.Figure 14: Conceptual Groundwater flow model for the Boitshepi Waste Disposal Site.ZITHOLELE CONSULTING