--- title: "The International Association of Hydrological Sciences Limited — charity 1078635 | CharityCompare" description: "The International Association of Hydrological Sciences Limited (charity 1078635): income £253k (2025). Registration, accounts, Gift Aid and official sources." source: https://www.charitycompare.org.uk/charity/the-international-association-of-hydrological-sciences-limited retrieved: 2026-10-09T05:36:30.116Z date_note: "Retrieval time is not the filing, register-extract or editorial-review date; cite those dates from the content." license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Registered charity · No. 1078635Charitable company IA # The International Association of Hydrological Sciences Limited Independent profile · Charity Commission for England and Wales data The International Association of Hydrological Sciences Limited is a registered charity in England & Wales. Its register classifications include education/training, environment/conservation/heritage. Register extract 2026-10-04 · Not yet rated [Visit charity website](http://iahs.info/) [Check official registration](https://register-of-charities.charitycommission.gov.uk/charity-details/?regId=1078635&subId=0) Work at The International Association of Hydrological Sciences Limited? [Claim this profile free](https://www.charitycompare.org.uk/claim?charity=the-international-association-of-hydrological-sciences-limited&type=claim&name=The%20International%20Association%20of%20Hydrological%20Sciences%20Limited) to add your own description, logo and links. At a glance · official register ## What are the key facts about The International Association of Hydrological Sciences Limited? Reported income · year ending 2025-12-31 £253,474 Reported spending · year ending 2025-12-31 £232,377 Registered charity number 1078635 Status in source extract Registered Charity type Charitable company Register contact address detail (not service area) Maclean Building Registered for Gift Aid (HMRC) Not recorded Website [iahs.info](http://iahs.info/) Quick answer The International Association of Hydrological Sciences Limited (number 1078635) is listed as registered in the Charity Commission snapshot used here. Check the live register for its current position. Registration does not authenticate a particular fundraising appeal or establish the impact of a donation. ## What does The International Association of Hydrological Sciences Limited do? To publish and disseminate a journal of hydrological sciences and also a series of hydrological conference proceedings and books to advance the knowledge of hydrology internationally. Many of these publications are distributed free of charge to universities and research establishments in developing countries. Activities reported on the official register · extract 2026-10-04. From the annual return ## Pay, income, Gift Aid and registration details for The International Association of Hydrological Sciences Limited Answers The International Association of Hydrological Sciences Limited gave in its annual return to the Charity Commission for the year ending 31 December 2025, plus its register entry. A blank answer in the return is shown as not reported, never as “no”. ### How much are The International Association of Hydrological Sciences Limited's highest-paid staff paid? The International Association of Hydrological Sciences Limited's annual return for the year ending 31 December 2025 reports no employees paid more than £60,000. The register reports headcounts in salary bands, not names. Individual pay is disclosed in the trustees' annual report. ### Can I claim Gift Aid, and are the trustees paid? The register does not record The International Association of Hydrological Sciences Limited as registered with HMRC for Gift Aid. Ask the charity before assuming a donation can be Gift Aided. The International Association of Hydrological Sciences Limited's annual return for the year ending 31 December 2025 reports that no trustee received remuneration or other benefits from the charity. ### Registration details Registered as a charity 16 December 1999 Company number [02676180](https://find-and-update.company-information.service.gov.uk/company/02676180) (Companies House) Also known as Iahs Press Where it says it operates Oxfordshire ## Who it supports and how it works **Reported beneficiaries:** Other Defined Groups. **Reported activities:** Provides Services; Acts As An Umbrella Or Resource Body. Classifications supplied to the register; extract 2026-10-04. These broad categories do not establish eligibility or current capacity. Use the official contact details to ask about access, referrals and service area. ## What causes is The International Association of Hydrological Sciences Limited registered for? Education/trainingEnvironment/conservation/heritage ## Why is there no Clarity Score for The International Association of Hydrological Sciences Limited yet? Our dataset does not yet contain the detailed filing history needed to score The International Association of Hydrological Sciences Limited. An unrated profile is a gap in our assessment, not a negative judgement about the charity. The register facts and available annual-return disclosures above remain useful. Payment never influences a rating. [How scoring works](https://www.charitycompare.org.uk/methodology) ## What should you check before donating to The International Association of Hydrological Sciences Limited? - Match the registered name and number to the appeal. A real charity number can be copied by someone impersonating the organisation. - Open the current register entry to check status, contact details and available accounts. This profile reflects a dated extract. - Read the charity’s annual report for its work and results. An unrated profile means we lack a full assessment; it is not a negative rating. [How to read charity accounts](https://www.charitycompare.org.uk/guides/how-to-read-accounts) · [Explore rated charities](https://www.charitycompare.org.uk/charity-directory) ## Is this your charity? Claim this profile free to submit your description and an optional logo for review, correct details, or respond publicly. Approved claims show attribution and claimed status. Optional paid plans add enhanced media, reporting and labelled featured visibility by tier; they never change a score. [Claim this profile — free](https://www.charitycompare.org.uk/claim?charity=the-international-association-of-hydrological-sciences-limited&type=claim&name=The%20International%20Association%20of%20Hydrological%20Sciences%20Limited) [Visit charity website](http://iahs.info/) ## Frequently asked questions Is The International Association of Hydrological Sciences Limited a legitimate charity? The register data used for this profile lists The International Association of Hydrological Sciences Limited as a registered charity (number 1078635) with the Charity Commission for England and Wales. Check the current register entry. A real charity number does not verify a fundraiser or appeal, and registration is not an impact rating. What is The International Association of Hydrological Sciences Limited's charity number? The International Association of Hydrological Sciences Limited's charity number is 1078635. Check that number on the Charity Commission register or this CharityCompare profile before you donate. How do I check charity number 1078635? Search 1078635 on the Charity Commission for England and Wales register or on CharityCompare. Confirm the registered name matches the organisation asking for money — scammers sometimes reuse real charity numbers. What does The International Association of Hydrological Sciences Limited do? To publish and disseminate a journal of hydrological sciences and also a series of hydrological conference proceedings and books to advance the knowledge of hydrology internationally. Many of these publications are distributed free of charge to universities and research establishments in developing countries. Does The International Association of Hydrological Sciences Limited have reviews and complaints? CharityCompare does not host public user reviews for The International Association of Hydrological Sciences Limited. This basic profile confirms registration and register facts. Rated charities also show a filing-based Clarity Score. For formal complaints, contact the Charity Commission for England and Wales or the Fundraising Regulator as appropriate. How can I donate to The International Association of Hydrological Sciences Limited? The International Association of Hydrological Sciences Limited's website listed in our register data is http://iahs.info/. Verify it against the current register before donating. CharityCompare does not process donations or take a commission; the charity's payment provider may charge fees. How much is The International Association of Hydrological Sciences Limited's chief executive paid? The Charity Commission register does not name individual salaries. The International Association of Hydrological Sciences Limited's annual return for the year ending 31 December 2025 reports no employees paid more than £60,000. Charities normally disclose the chief executive's pay, or the pay of their highest-paid staff, in the remuneration note of the trustees' annual report and accounts. Can I claim Gift Aid on a donation to The International Association of Hydrological Sciences Limited? The register does not record The International Association of Hydrological Sciences Limited as registered with HMRC for Gift Aid. Ask the charity before assuming a donation can be Gift Aided. Are The International Association of Hydrological Sciences Limited's trustees paid? The International Association of Hydrological Sciences Limited's annual return for the year ending 31 December 2025 reports that no trustee received remuneration or other benefits from the charity. When was The International Association of Hydrological Sciences Limited registered as a charity? The International Association of Hydrological Sciences Limited was entered on the register on 16 December 1999. It is also a company registered at Companies House (company number 02676180). Source: Charity Commission for England and Wales register extract dated 2026-10-04, used under the [Open Government Licence v3.0](https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/). Always verify current details on the [official register entry](https://register-of-charities.charitycommission.gov.uk/charity-details/?regId=1078635&subId=0).