INTERNATIONAL ASSOCIATION OF HYDROGEOLOGISTS
Registration #1083019 · Registered
www.iah.orginfo@iah.org
35 Cardinal Close Caversham RG4 8BZ
IAH is a scientific and educational organisation whose aims are to promote research into and understanding of the proper management and protection of groundwater for the common good throughout the world.
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About INTERNATIONAL ASSOCIATION OF HYDROGEOLOGISTS
INTERNATIONAL ASSOCIATION OF HYDROGEOLOGISTS is a registered charity in England and Wales (registration number 1083019). Based on official Charity Commission data, it holds a "Platinum" rating with a CharityScore of 85/100 — one of the highest-rated charities in England and Wales for governance and transparency. This places it among the top-rated charities in our database, reflecting strong performance across governance, financial health, and regulatory compliance. In its most recent reporting year (2024), INTERNATIONAL ASSOCIATION OF HYDROGEOLOGISTS reported a total income of £319,250 and total expenditure of £321,916, a spending ratio of 101% which is broadly in line with its income. According to the Charity Commission register, INTERNATIONAL ASSOCIATION OF HYDROGEOLOGISTS describes its activities as follows: IAH is a scientific and educational organisation whose aims are to promote research into and understanding of the proper management and protection of groundwater for the common good throughout the world. Our analysis found no significant governance concerns for INTERNATIONAL ASSOCIATION OF HYDROGEOLOGISTS. No regulatory actions, filing failures, or financial anomalies were detected in the available public data. This profile is based on data publicly available from the Charity Commission for England and Wales and is updated periodically as new filings are processed. CharityScore UK provides independent, data-driven transparency ratings to help donors give with confidence — we are not affiliated with this charity or any government body.

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Financial History
Latest spending ratio: 100.8% of income spent on charitable work
| Year | Income | Spending | Ratio |
|---|---|---|---|
| 2024 | £319,250 | £321,916 | 101% |
Data sourced from the Charity Commission for England & Wales · Last scored 6/11/2026