Soil type Steady state infiltration rate (mm/min) Infiltration class Number of sites % Sand >0.5 Very rapid 2 7.7 Sandy loam 0.33 – 0.50 Moderately rapid to rapid 2 7.7 Loam to silt loam 0.17 – 0.33 Moderately slow to moderately rapid 5 19.2 Clay loam 0.08 – 0.17 Slow to moderately slow 5 19.2 Clay 0.01 – 0.08 Very slow to slow 12 46.1

Table 5: Classification of soils in Kumba, based on guideline basic infiltration rates after Thomas et al., 2004. Values cut across all infiltration classes, indicative of a wide variety of soil types.