News
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The Earth holds approximately 20 million cubic kilometres of groundwater, roughly equal to the amount of saline water below the surface. But not all of it is usable: some lies too deep to extract, while other portions are already being tapped faster than they can recharge. Groundwater supplies half the... read more...
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Entire villages along Indonesia’s northern coast are being swallowed by the sea. Semonet in Central Java is one of the clearest examples. Once a thriving fishing community, it’s now completely deserted. Multiple factors are at play: geological and man-made, like groundwater extraction for domestic and industrial use. Climate change, intense... read more...
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Rules and infrastructure aren’t enough to fix groundwater problems on the Mediterranean coast. A study in four areas found that local people must be involved in shaping and testing possible solutions. Find out more https://environment.ec.europa.eu/news/living-labs-show-effective-groundwater-management-needs-more-top-down-rules-and-sanctions-2025-11-06_en read more...
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A major scientific discovery beneath Greece’s seafloor has revealed vast reserves of freshwater stored deep underground. These freshwater reserves stretch from about 20 metres (66 feet) to as deep as 700 metres (2,297 feet) below the seafloor. The discovery sheds new light on how ancient groundwater systems formed — and... read more...
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As groundwater levels continue to decline and drought conditions persist, farmers in the Barind region are increasingly adopting crop diversification strategies focused on low-water-consuming and high-value crops to build resilience against climate change and water stress. Find out more https://www.dhakatribune.com/amp/bangladesh/nation/394289/water-smart-farming-takes-root-in-barind-to-tackle read more...
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In September, the Hydrogeology Journal (HJ) editors and editorial office, together with the IAH executive manager Ian Davey, met in The Netherlands to plan the journal’s short and longer term directions and procedures, while welcoming in the team two new editors, Brindha Karthikeyan and Marwan Fahs, and – last but... read more...
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The Lección Magistral Emilio Custodio is an annual distinguished lecture series to honour Professor Emilio Custodio, an eminent Spanish hydrogeologist and president of IAH between 2000-2004. It is organised each year by the Spanish Chapter (AIH-GE) and IAH national chapters in Latin America. The series aims to promote education and awareness... read more...
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The current executive manager is retiring after 8 years and IAH is now seeking to recruit a replacement. The executive manager is responsible for day to day operations and smooth running of the organisation, liaising with the executive and council and managing a small secretariat of part-time staff supported by... read more...
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Groundwater should be tapped as a strategic water source and managed sustainably to ensure the country’s long-term water security and resilience to climate change, according to the Dewan Rakyat Special Select Committee on Environment, Science and Plantation. Find out more https://www.bernama.com/en/news.php/sports/world/news.php?id=2475425 read more...
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The world’s hidden water reserves have just been mapped with unprecedented detail. The International Groundwater Resources Assessment Centre (IGRAC) has released the 2025 edition of its Transboundary Aquifers of the World map, a flagship resource that charts underground water systems spanning international borders. Find out more https://www.renewablematter.eu/en/new-global-map-426-shared-aquifers-crossing-borders read more...
National Chapters
Local professional, scientific and social benefits and promotion of sustainable groundwater use
Commissions & Networks
Contributing to the science of groundwater and undertaking outreach, education and training
Publications
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Education
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