Republic_ of_ South _Africa2026-01-222026-01-221991-06http://hdl.handle.net/20.500.11837/3483K- Potassium Na-Sodium Mg-Magnesium Ca-Calcium Cl-Chloride So4-Sulphate Tal-Total Alki Nity Sl-SiliconenB2 Average Surface Water QualityCiskei National Water Development PlanMap