Groundwater
Groundwater is water that exists beneath the Earth's surface in saturated zones within soil pores and rock fractures, forming aquifers that can be tapped for human use. It represents one of the planet's largest freshwater resources and plays a critical role in water supply, agriculture, industry and ecosystem health. Groundwater is recharged naturally through precipitation and surface water infiltration, though recharge rates vary widely depending on geology, climate and land use. Extraction typically occurs through boreholes, wells and springs, with yields determined by aquifer characteristics such as permeability, storage capacity and depth. In water-scarce regions, including much of southern Africa, groundwater serves as a vital buffer during droughts and a strategic alternative to surface water sources such as dams and rivers. Over-extraction, contamination from industrial and agricultural activities, and inadequate management pose significant risks to groundwater sustainability. Monitoring, regulation and conjunctive use—integrating groundwater with surface water systems—are essential for long-term security. Advances in exploration technology, including geophysical surveys and remote sensing, have improved the identification and assessment of aquifer resources. Groundwater development is increasingly prioritised in infrastructure planning, particularly where surface water availability is constrained or unreliable. Its strategic importance has grown as climate variability intensifies and demand from urban, agricultural and mining sectors rises.
Groundwater Updates
Boreholes are booming in a drying South Africa – how the government plans to tighten controls
28th April 2026 In South Africa, a water-scarce country, groundwater is a vital supply for small towns and commercial farming. Approximately 13% of South Africa’s... →
A water solution for drought‑prone South Africa: we designed systems to replenish aquifers simply and cheaply in five towns
23rd March 2026 South Africa is the 30th driest country in the world. Over 400 towns, especially in the western and central parts of the country, rely on water... →
UN calls for reset as world enters era of global water bankruptcy
By: Natasha Odendaal 21st January 2026 The world has entered an era of global water bankruptcy, as many societies have overspent their yearly renewable water ‘income’ from rivers, soils... →
Emergency relief funds committed to assist Knysna to alleviate water challenges
By: Natasha Odendaal 20th January 2026 The Department of Water and Sanitation (DWS) plans to avail an emergency relief allocation of R20-million from reprioritised water services... →
Water security key to economic stability, reflects Rand Water chairperson
By: Natasha Odendaal 2nd December 2025 Sustainable water management is not just an environmental concern, but an economic, developmental and moral imperative, with water security... →
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