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← International Association Of Hydrogeologists

2024-12-31-accounts

REGISTERED COMPANY NUMBER: 03956233 (England and Wales) REGISTERED CHARITY NUMBER: 1083019

International Association of Hydrogeologists

Report of the Trustees and

Unaudited Financial Statements

for the Year Ended 31 December 2024

International Association of Hydrogeologists

Contents of the Financial Statements for the Year Ended 31 December 2024

Page
Report of the Trustees 1 to 5
Independent Examiner's Report 6
Statement of Financial Activities 7
Balance Sheet 8 to 9
Notes to the Financial Statements 10 to 18
Detailed Statement of Financial Activities 19 to 20

International Association of Hydrogeologists (Registered number: 03956233)

Report of the Trustees for the Year Ended 31 December 2024

The trustees who are also directors of the charity for the purposes of the Companies Act 2006, present their report with the financial statements of the charity for the year ended 31 December 2024. The trustees have adopted the provisions of Accounting and Reporting by Charities: Statement of Recommended Practice applicable to charities preparing their accounts in accordance with the Financial Reporting Standard applicable in the UK and Republic of Ireland (FRS 102) (effective 1 January 2019).

OBJECTIVES AND ACTIVITIES

Objectives and aims

All the Association's assets and funds are directed towards meeting the objectives that are contained in the Articles of Association of the Company. These are to advance public education and promote research (and disseminate the useful results of such research) in the study and knowledge of hydrogeological science.

The Association seeks to achieve these objectives by:

While these aims and objectives are clear, consistent and long-term, it is nevertheless prudent for the Association to review from time to time the activities that are undertaken and expenditures made in pursuit of these aims. To this end, the strategic plan for the period to 2030 includes recommendations for activities to strengthen the Association's membership, educational and scientific programmes, communications, conferences, provision of web-based services, income diversification and many others. Progress in implementing this strategic plan will be reviewed regularly by the Executive Committee of IAH and reported to the Trustees and Council.

In carrying out these objectives and aims, the Trustees have complied with their duty to have due regard to the guidance published by the Charity Commission on Public Benefit.

Page 1

International Association of Hydrogeologists (Registered number: 03956233)

Report of the Trustees for the Year Ended 31 December 2024

ACHIEVEMENT AND PERFORMANCE Charitable activities

The Association meets its charitable objectives in several ways.

The Association maintains a sponsored membership scheme for professional colleagues who for financial or practical reasons find it difficult to pay their own fees. This helps them to receive scientific knowledge and maintain technical contact with recent developments in groundwater science. To provide support for this, in 2009 the Association established a Sponsored Membership Fund of £10,000. The scheme is reviewed regularly to identify members who have been sponsored for long periods and whose personal career and national economic situations mean that they might be able to pay for themselves, thus freeing up funds for new sponsored members. At the end of 2024 total membership of this scheme stood at 265 members, with £5,256 provided from central funds to cover the sponsorship of 155 members. This left a deficit of £5,256 at the end of the year and the fund was replenished by transferring £5,256 from general funds. The remaining sponsored members were supported by National Chapters and individual IAH members.

To further enhance its charitable activities in the field of education, in 2009 the Association established a separate Education and Development Fund with an initial amount of £10,000, which is now maintained at £15,000. The Fund is intended to be used to support IAH members for educational and scientific purposes in the field of hydrogeology.

The major vehicle for education and dissemination of research is Hydrogeology Journal. With eight issues per year, this continues to meet its targets for scientific articles and reports disseminated, and also in terms of the encouragement of a broad spread internationally of the authors' countries of origin. Further, the wide geographical spread of the editorial board enables us to meet our objective of supporting publication in English of any scientific paper or report of merit regardless of the authors' own source language and facilities for translation. Hydrogeology Journal maintained an impressive scientific citation index for its category while meeting the Association's objective of providing an accessible outlet for high-quality hydrogeological science. Royalties for the Journal received in 2024 from our publishers, relating to turnover during 2023, amounted to £22,165. A small sum was also received in respect of our books series.

Total expenditure from the Education and Development Fund amounted to £7,387 and the Fund was replenished by transferring this amount from general funds. This was mostly to support the attendance of lower-income delegates at our Congress in Davos, Switzerland. Funding was also provided to the Groundwater Project to support the free availability of books and educational materials via the internet. Funding from our Burdon Network was also used to support the attendance of lower-income delegates at our Congress in Davos (£2,864).

Funding of £2,998 was made available to our Early Career Hydrogeologists to support younger members' attendance at our annual congress, where they would not otherwise have this opportunity. Small updates were made to our website to support publication of further educational information (£4,393).

Trading activities

These are carried out through the Association's subsidiary company World-Wide Groundwater Ltd. (WWGW). Following completion of the Global Environment Facility project on groundwater governance, no further income has been received since 2014. The company is, however, maintained at a small charge in the event of further requirements arising for its use. WWGW's bank account has continued to be used as a repository for a part of IAH's funds following the unexpected closure by the bank in 2022 of IAH's account. The amount held by WWGW on behalf of the charity at 31 December 2024 was £48,714 (2023: £83,249).

Page 2

International Association of Hydrogeologists (Registered number: 03956233)

Report of the Trustees for the Year Ended 31 December 2024

FINANCIAL REVIEW

Results for the year

Total income for the year was £319,250 (2023: £319,164). Total expenditure was £321,916 (2023: £324,575), resulting in a deficit across the year of £2,666 (2023: £5,411). Currency exchange changes led to a paper loss of £7,374 (2023: loss of £5,231). The total deficit was £10,040 (2023: deficit of £10,642). However, reserves at the year-end remained sound at £251,620 (2023: £261,660).

Income from member subscriptions was £213,967, which was similar to 2023 (£213,486). This was despite an increase in membership of more than 300 but which was counter-balanced by more members opting for online access rather than paper copies of Hydrogeology Journal and increasing popularity of our free student membership category. The overall fall in income resulted from royalties falling back to a more normal level (£22,632) following the exceptional one-off back-payment received in 2023 (totalling £42,774). The significant donation received from the surplus generated by the Cape Town Congress in 2023 (£18,841) moderated this fall in income.

A major cost during the year was support for the attendance of the IAH officers at the meeting of the Executive Committee and the Council meeting and Congress in Davos, Switzerland (£28,845). Support for delegates to congress from low-income backgrounds was also significant (totalling £7,635 ), though overall expenditure towards the annual congress was significantly lower than for 2023, when the congress was held in Cape Town.

Stipends for HJ Editors increased, to $9,000 pa having been held at $8,000 pa since the inception of the current staff structure 19 years ago. A contractor was engaged to manage voting for our 4-yearly elections for IAH's Officers (£1,980) and there were further legal costs in support of our governance revisions (£1,470). Expenditure on salaries also increased, reflecting cost of living rises.

Significant funds (£48,714) continued to be held in the separate bank account of IAH's subsidiary, World-Wide Groundwater, following unexplained closure of IAH's own account by the bank in 2022 (2023: £83,249). The amount held in the WWGW account has been reduced with transfers back to IAH, though it is acknowledged that distributing IAH's funds across several bank accounts affords additional security under the Financial Services Compensation Scheme.

Reserves policy

As at 31 December 2024 the amount of reserves were £251,620 (compared to £261,660 at 31 December 2023) of which £217,634 were free reserves (compared to £227,734 at 31 December 2023). Free reserves are reserves which do not include the restricted funds of £32,455 and reserves tied up in fixed assets of £1,531.

In addition to the management of the Burdon Fund, the Association has adopted a reserves policy for the management of its general funds with the following objectives:

  1. To provide funds to continue the orderly development and future growth of the Association as defined by its mission and objectives and as set out in the Forward Look strategic programme;

  2. To provide funds to enable the Association to continue to meet its scientific aims and objectives through its publications, conferences and the work of its commissions;

  3. To provide funds to enable the Association to continue its work related to the promotion of sound groundwater management throughout the world;

  4. To provide funds to support the Association's work in developing countries.

Each year the Association's Executive approves a plan of activity and budget to address these objectives. This involves the release of funds from general funds to enable the plan to be delivered.

Further details on designated and restricted funds are provided in the notes to the financial statements.

Page 3

International Association of Hydrogeologists (Registered number: 03956233)

Report of the Trustees for the Year Ended 31 December 2024

STRUCTURE, GOVERNANCE AND MANAGEMENT

Governing document

The charity is controlled by its governing document, its Memorandum, Articles of Association and Rules, and constitutes a limited company, limited by guarantee, as defined by the Companies Act 1985. Changes to the Rules of the Association were approved by Council at its meeting in Rome in September 2015 and at an online meeting in October 2022.

Recruitment and appointment of new trustees

The Council of the Association is elected by ballot of the membership of the Association every four years, the period of office running from the annual meeting at which the election takes place until the annual meeting in the fourth following year. The current Council was elected on 10 September 2024 and will serve until a new Council will be elected during 2028.

Organisational structure

All members, individual or corporate, are members of the international body. However, the Association encourages the formation of national or regional committees in order to carry out local administration, promote contacts and co-operation and undertake relevant studies of local or regional interest. National committees may be organised in a number of different ways according to national practice and circumstance.

The Council of the Association determines the general policy of IAH.

Remuneration of Key Management Personnel

In determining appropriate levels of remuneration for staff, the Association aims to provide overall packages of terms and conditions that are affordable, competitive and will help to attract, retain and motivate high quality individuals capable of achieving the Society's objectives. The Association wishes to ensure that staff are fairly rewarded for their individual and collective responsibilities and contributions to the Association's overall performance. Remuneration packages are the responsibility of the IAH Executive, which takes into account data on general inflation and wage inflation, as well as performance considerations when making its determinations. Key management remuneration for 2024 was £29,977 (2023 - £28,442).

Risk management

The trustees have a duty to identify and review the risks to which the charity is exposed and to ensure appropriate controls are in place to provide reasonable assurance against fraud and error.

REFERENCE AND ADMINISTRATIVE DETAILS Registered Company number

03956233 (England and Wales)

Registered Charity number

1083019

Registered office

35 Cardinal Close Caversham Reading RG4 8BZ

Trustees

Trustees
Name Term during year to 31 December 2024
David Kreamer Resigned (10 September 2024)
Marco Petitta Continuous
Teodóra Szocs Continuous
Jane Dottridge Continuous
Philip Chilton Continuous
Nicholas Robins Continuous
Julian Conrad Appointed 10 September 2024

Page 4

International Association of Hydrogeologists (Registered number: 03956233)

Report of the Trustees for the Year Ended 31 December 2024

REFERENCE AND ADMINISTRATIVE DETAILS Company Secretary

I R Davey

Independent Examiner

Locke Williams Associates LLP Chartered Accountants Studio 2 50-54 St Pauls Square Birmingham West Midlands B3 1QS

Solicitors

Robbins Olivery Southern House Woking GU22 7UY

This report has been prepared in accordance with the special provisions of Part 15 of the Companies Act 2006 relating to small companies.

Approved by order of the board of trustees on 17 September 2025 and signed on its behalf by:

I R Davey - Secretary

Page 5

Independent Examiner's Report to the Trustees of International Association of Hydrogeologists (Registered number: 03956233)

Independent examiner's report to the trustees of International Association of Hydrogeologists ('the Company')

I report to the charity trustees on my examination of the accounts of the Company for the year ended 31 December 2024.

Responsibilities and basis of report

As the charity's trustees of the Company (and also its directors for the purposes of company law) you are responsible for the preparation of the accounts in accordance with the requirements of the Companies Act 2006 ('the 2006 Act').

Having satisfied myself that the accounts of the Company are not required to be audited under Part 16 of the 2006 Act and are eligible for independent examination, I report in respect of my examination of your charity's accounts as carried out under Section 145 of the Charities Act 2011 ('the 2011 Act'). In carrying out my examination I have followed the Directions given by the Charity Commission under Section 145(5) (b) of the 2011 Act.

Independent examiner's statement

Since your charity's gross income exceeded £250,000 your examiner must be a member of a listed body. I can confirm that I am qualified to undertake the examination because I am a member of the Institute of Chartered Accountants in England and Wales, which is one of the listed bodies.

I have completed my examination. I confirm that no matters have come to my attention in connection with the examination giving me cause to believe:

  1. accounting records were not kept in respect of the Company as required by Section 386 of the 2006 Act; or

  2. the accounts do not accord with those records; or

  3. the accounts do not comply with the accounting requirements of Section 396 of the 2006 Act other than any requirement that the accounts give a true and fair view which is not a matter considered as part of an independent examination; or

  4. the accounts have not been prepared in accordance with the methods and principles of the Statement of Recommended Practice for accounting and reporting by charities (applicable to charities preparing their accounts in accordance with the Financial Reporting Standard applicable in the UK and Republic of Ireland (FRS 102)).

I have no concerns and have come across no other matters in connection with the examination to which attention should be drawn in this report in order to enable a proper understanding of the accounts to be reached.

David Williams FCA FCCA

Locke Williams Associates LLP Chartered Accountants Studio 2 50-54 St Pauls Square Birmingham West Midlands B3 1QS

Date:. 19 September 2025

Page 6

International Association of Hydrogeologists

Statement of Financial Activities (Incorporating an Income and Expenditure Account) for the Year Ended 31 December 2024

31.12.24
Unrestricted
Restricted
Total
funds
fund
funds
Notes
£
£
£
INCOME AND ENDOWMENTS FROM
Donations and legacies
7,201
190
7,391
Charitable activities
Members services
311,859
-
311,859
Total
319,060
190
319,250
EXPENDITURE ON
Charitable activities
Members services
319,052
2,864
321,916
Net gains/(losses) on investments
(7,337)
(37)
(7,374)
NET INCOME/(EXPENDITURE)
(7,329)
(2,711)
(10,040)
Transfers between funds
11
(2,864)
2,864
-
Net movement in funds
(10,193)
153
(10,040)
RECONCILIATION OF FUNDS
Total funds brought forward
229,358
32,302
261,660
TOTAL FUNDS CARRIED FORWARD
219,165
32,455
251,620		 31.12.23
Total
funds
£
5,540
313,624
319,164
324,575
(5,231)
(10,642)
-
(10,642)
272,302
261,660

The notes form part of these financial statements

Page 7

International Association of Hydrogeologists (Registered number: 03956233)

Balance Sheet 31 December 2024

Notes
FIXED ASSETS
Tangible assets
6
Investments
7
CURRENT ASSETS
Debtors
8
Cash at bank and in hand
CREDITORS
Amounts falling due within one year
9
NET CURRENT ASSETS
TOTAL ASSETS LESS CURRENT
LIABILITIES
NET ASSETS
FUNDS
11
Unrestricted funds
Restricted funds
TOTAL FUNDS		 31.12.24
£
1,531
1
1,532
51,697
288,896
340,593
(90,505)
250,088
251,620
251,620
219,165
32,455
251,620		 31.12.23
£
1,624
1
1,625
102,985
191,100
294,085
(34,050)
260,035
261,660
261,660
229,358
32,302
261,660

The charitable company is entitled to exemption from audit under Section 477 of the Companies Act 2006 for the year ended 31 December 2024.

The members have not required the company to obtain an audit of its financial statements for the year ended 31 December 2024 in accordance with Section 476 of the Companies Act 2006.

The trustees acknowledge their responsibilities for

The notes form part of these financial statements

Page 8

International Association of Hydrogeologists (Registered number: 03956233)

Balance Sheet - continued 31 December 2024

These financial statements have been prepared in accordance with the provisions applicable to charitable companies subject to the small companies regime.

The financial statements were approved by the Board of Trustees and authorised for issue on 17 September 2025 and were signed on its behalf by:

T Szocs - Trustee

The notes form part of these financial statements

Page 9

International Association of Hydrogeologists

Notes to the Financial Statements for the Year Ended 31 December 2024

1. ACCOUNTING POLICIES

Basis of preparing the financial statements

The financial statements of the charitable company, which is a public benefit entity under FRS 102, have been prepared in accordance with the Charities SORP (FRS 102) 'Accounting and Reporting by Charities: Statement of Recommended Practice applicable to charities preparing their accounts in accordance with the Financial Reporting Standard applicable in the UK and Republic of Ireland (FRS 102) (effective 1 January 2019)', Financial Reporting Standard 102 'The Financial Reporting Standard applicable in the UK and Republic of Ireland' and the Companies Act 2006. The financial statements have been prepared under the historical cost convention, with the exception of investments which are included at market value.

Income

All income is recognised in the Statement of Financial Activities once the charity has entitlement to the funds, it is probable that the income will be received and the amount can be measured reliably.

Membership fees are recognised when receivable and the amount can be measured reliably by the charity.

Royalties and income from the exploitation of intellectual property rights are recognised when receivable in accordance with the substance of the relevant agreement.

For donations to be recognised the charity will have been notified of the amounts and the settlement date in writing.

Donated memberships and donated travel costs are recognised in income at their fair value when their economic benefit is probable, it can be measured reliably and the charity has control over the item. Fair value is determined on the basis of the value of the gift to the charity. For example the amount the charity would be willing to pay in the open market for such facilities and services. A corresponding amount is recognised in expenditure.

Interest on funds held on deposit is included when receivable and the amount can be measured reliably by the charity; this is normally upon notification of the interest paid or payable by the Bank.

No amount is included in the financial statements for volunteer time in line with the Charities SORP.

Expenditure

Liabilities are recognised as expenditure as soon as there is a legal or constructive obligation committing the charity to that expenditure, it is probable that a transfer of economic benefits will be required in settlement and the amount of the obligation can be measured reliably. Expenditure is accounted for on an accruals basis and has been classified under headings that aggregate all cost related to the category. Where costs cannot be directly attributed to particular headings they have been allocated to activities on a basis consistent with the use of resources.

Irrecoverable VAT is charged as an expense against the activity for which expenditure arose.

Grants offered subject to conditions which have not been met at the year end date are noted as a commitment but not accrued as expenditure.

Governance costs

Governance costs include those costs associated with meeting the constitutional and statutory requirements of the Association and include the independent examination and an allocation of staff costs attributable to time spent in managing the charity.

Tangible fixed assets

Depreciation is provided at the following annual rates in order to write off each asset over its estimated useful life.

Fixtures and fittings

Page 10

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

1. ACCOUNTING POLICIES - continued

Tangible fixed assets

Debtors and creditors receivable / payable within one year

Debtors and creditors with no stated interest rate and receivable or payable within one year are recorded at transaction price. Any losses arising from impairment are recognised in expenditure

Taxation

The charity is registered with the Charity Commission and under the provisions of Section 478 Corporation Tax Act 2010, is exempt from liability to taxation on its charitable activities.

Fund accounting

Unrestricted funds can be used in accordance with the charitable objectives at the discretion of the trustees.

Restricted funds can only be used for particular restricted purposes within the objects of the charity. Restrictions arise when specified by the donor or when funds are raised for particular restricted purposes.

Further explanation of the nature and purpose of each fund is included in the notes to the financial statements.

Foreign currencies

Assets and liabilities in foreign currencies are translated into sterling at the rates of exchange ruling at the balance sheet date. Transactions in foreign currencies are translated into sterling at the rate of exchange ruling at the date of transaction. Exchange differences are taken into account in arriving at the operating result. The table below shows the balances held in the various currencies at the year end and the exchange rates prevailing.

Rate of exchange with
Currency Balances on 31.12.24 sterling on 31.12.24
US Dollars $- $1.252
Euro €312,417 €1.209

Employee benefits

When employees have rendered service to the charity, short-term employee benefits to which the employees are entitled are recognised at the undiscounted amount expected to be paid in exchange for that service.

The charity operates a defined contribution plan for the benefit of its employees. Contributions are expensed as they become payable.

2. NET INCOME/(EXPENDITURE)

Net income/(expenditure) is stated after charging/(crediting):

31.12.24 31.12.23
£ £
Depreciation - owned assets 873 831
Accountancy and Independent Examination fee 1,950 1,720

Page 11

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

3. TRUSTEES' REMUNERATION AND BENEFITS

There were no trustees' remuneration or other benefits for the year ended 31 December 2024 nor for the year ended 31 December 2023.

Trustees' expenses

There were no trustees' expenses paid for the year ended 31 December 2024 nor for the year ended 31 December 2023.

4. STAFF COSTS

STAFF COSTS
31.12.24 31.12.23
£ £
Wages and salaries 91,013 85,701
Social security costs 2,346 1,564
Other pension costs 3,483 3,421
96,842 90,686

The average monthly number of employees during the year was as follows:

31.12.24 31.12.23
Part time 5 5

No employees received emoluments in excess of £60,000.

In accordance with UK legislation related to pension auto-enrolment for small companies, all four of the Association's employees are placed in an appropriate pension scheme.

The total amount of employee benefits (including employers pension contributions) received by key management personnel is £29,977 (2023 - £28,442).

5. COMPARATIVES FOR THE STATEMENT OF FINANCIAL ACTIVITIES

Unrestricted
funds
£
INCOME AND ENDOWMENTS FROM
Donations and legacies
5,360
Charitable activities
Members services
313,624
Total
318,984
EXPENDITURE ON
Charitable activities
Members services
315,845
Net gains/(losses) on investments
(5,231)
NET INCOME/(EXPENDITURE)
(2,092)
Transfers between funds
(8,550)
Net movement in funds
(10,642)		 Restricted
fund
£
180
-
180
8,730
-
(8,550)
8,550
-		 Total
funds
£
5,540
313,624
319,164
324,575
(5,231)
(10,642)
-
(10,642)

Page 12

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

Notes to the Financial Statements - continued
for the Year Ended 31 December 2024		 Notes to the Financial Statements - continued
for the Year Ended 31 December 2024
5. COMPARATIVES FOR THE STATEMENT OF FINANCIAL ACTIVITIES - continued
Unrestricted Restricted Total
funds fund funds
£ £ £
RECONCILIATION OF FUNDS
Total funds brought forward 240,000 32,302 272,302
TOTAL FUNDS CARRIED FORWARD 229,358 32,302 261,660
6. TANGIBLE FIXED ASSETS
Fixtures
and
fittings
£
COST
At 1 January 2024 13,613
Additions 780
At 31 December 2024 14,393
DEPRECIATION
At 1 January 2024 11,989
Charge for year 873
At 31 December 2024 12,862
NET BOOK VALUE
At 31 December 2024 1,531
At 31 December 2023 1,624
7. FIXED ASSET INVESTMENTS
Shares in
group
undertakings
£
MARKET VALUE
At 1 January 2024 and
31 December 2024 1
NET BOOK VALUE
At 31 December 2024 1
At 31 December 2023 1

There were no investment assets outside the UK.

The company's investments at the balance sheet date in the share capital of companies include the following:

Page 13

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

7. FIXED ASSET INVESTMENTS - continued

World-wide Groundwater Limited

Registered office: United Kingdom Nature of business: Consultancy (non-trading)

%
Class of share: holding
Ordinary 100

8. DEBTORS: AMOUNTS FALLING DUE WITHIN ONE YEAR

8.
DEBTORS: AMOUNTS FALLING DUE WITHIN ONE YEAR
Amounts owed by group undertakings
Other debtors
Prepayments and accrued income
9.
CREDITORS: AMOUNTS FALLING DUE WITHIN ONE YEAR
Trade creditors
Other creditors
Accruals and deferred income
Deferred Income
Balance as at 1 January
Released in the year
Deferrals in the year
Balance as at 31 December		 31.12.24
£
48,714
-
2,983
51,697
31.12.24
£
59,254
459
30,792
90,505		 31.12.23
£
83,249
17,956
1,780
102,985
31.12.23
£
3,788
-
30,262
34,050
31.12.23 31.12.23
£ £
27,762 19,817
(27,762) (19,817)
26,881 27,762
26,881 27,762

Income under contractual arrangements is deferred where it is subject to the performance of certain terms or conditions. Where these have not been met at the balance sheet date, the income is not recognised in the statement of financial activities. Deferred income above represents membership fees received in advance of next year.

Page 14

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

10. ANALYSIS OF NET ASSETS BETWEEN FUNDS

Unrestricted
funds
£
Fixed assets
1,531
Investments
1
Current assets
308,138
Current liabilities
(90,505)
219,165
11.
MOVEMENT IN FUNDS
At 1.1.24
£
Unrestricted funds
General fund
200,993
Sponsored Membership Fund
-
Education and Development Fund
15,000
Asia Fund
13,365
229,358
Restricted funds
Burdon Fund
32,302
TOTAL FUNDS
261,660
Net movement in funds, included in the above are as follows:
Incoming
resources
£
Unrestricted funds
General fund
318,758
Sponsored Membership Fund
-
Education and Development Fund
302
319,060
Restricted funds
Burdon Fund
190
TOTAL FUNDS
319,250		 Restricted
fund
£
-
-
32,455
-
32,455
Net
movement
in funds
£
5,001
(5,256)
(7,074)
-
(7,329)
(2,711)
(10,040)
Resources
expended
£
(306,409)
(5,256)
(7,387)
(319,052)
(2,864)
(321,916)		 31.12.24
31.12.23
Total
Total
funds
funds
£
£
1,531
1,624
1
1
340,593
294,085
(90,505)
(34,050)
251,620
261,660
Transfers
between
At
funds
31.12.24
£
£
(15,194)
190,800
5,256
-
7,074
15,000
-
13,365
(2,864)
219,165
2,864
32,455
-
251,620
Gains and
Movement
losses
in funds
£
£
(7,348)
5,001
-
(5,256)
11
(7,074)
(7,337)
(7,329)
(37)
(2,711)
(7,374)
(10,040)

Page 15

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

11. MOVEMENT IN FUNDS - continued

Comparatives for movement in funds

Unrestricted funds
General fund
Sponsored Membership Fund
Education and Development Fund
Asia Fund
Restricted funds
Burdon Fund
TOTAL FUNDS		 At 1.1.23
£
211,927
-
14,708
13,365
240,000
32,302
272,302		 Net
movement
in funds
£
12,599
(5,832)
(8,859)
-
(2,092)
(8,550)
(10,642)		 Transfers
between
funds
£
(23,533)
5,832
9,151
-
(8,550)
8,550
-		 At
31.12.23
£
200,993
-
15,000
13,365
229,358
32,302
261,660

Comparative net movement in funds, included in the above are as follows:

Unrestricted funds
General fund
Sponsored Membership Fund
Education and Development Fund
Restricted funds
Burdon Fund
TOTAL FUNDS		 Incoming
resources
£
318,629
-
355
318,984
180
319,164		 Resources
expended
£
(300,799)
(5,832)
(9,214)
(315,845)
(8,730)
(324,575)		 Gains and
Movement
losses
in funds
£
£
(5,231)
12,599
-
(5,832)
-
(8,859)
(5,231)
(2,092)
-
(8,550)
(5,231)
(10,642)

Burdon Fund

The Burdon Fund was established in 1990 on the initiative of the Irish National Chapter of IAH, in memory of David Burdon, an Irish hydrogeologist of international repute. The objective of the fund is to help promote hydrogeological training and practice in developing nations, a cause to which David Burdon had devoted his career. The fund makes payments according to a set of criteria aligned to its objectives.

Contributions to the fund are made by individual IAH members and National Chapters of IAH or by transfer from the general funds of IAH. The priorities for the use of the Fund in supporting the charitable objectives of the Association have been regularly reviewed by IAH's Trustees and Council, leading to decisions that the working priorities for the Fund should be:

Page 16

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

11. MOVEMENT IN FUNDS - continued

The Burdon Fund was used to support the attendance of low-income delegates at IAH's annual congress in Davos, amounting to expenditure of £2,864. The Fund was topped up to this amount and with donations of £190 during the year, the balance of funds on 31 December 2024 was £32,455 (2023: £32,302).

Education and Development Fund

The Education and Development Fund aims to enhance the Association's charitable educational activities. It provides for a range of support, including: young professionals to attend IAH congresses or to publish their scientific findings; support for the scientific and educational work of the Association's commissions and national groups; and support for the production of educational materials on groundwater for non-specialist audiences.

Total expenditure from the Education and Development Fund amounted to £7,387. This was largely support for delegates from lower income countries for attendance at our annual World Groundwater Congress, which took place in Davos, Switzerland. There was also support for the Groundwater Project, a charity that provides digitised books available online at no charge to the user, including both those published previously by established publishers (with their permissions) and new texts and videos on groundwater.

Donations and currency gains amounted to £313 during the year and with replenishment of £7,074 the balance of funds on 31 December 2024 was £15,000 (2023: £15,000).

Sponsorship Fund

The Association has a sponsored membership scheme for developing-country professionals and others on lower incomes to enable them to receive scientific knowledge and maintain technical contact with recent developments in our science. To provide further support to this, in 2009 the Association established a Sponsored Membership Fund, and uses its membership network, national chapters and general publicity to encourage new candidates for sponsorship. At the end of 2024 total membership of this scheme stood at 265 members, with £5,256 provided from central funds to cover the sponsorship of 155 members. The remaining sponsored members were supported by National Chapters and individual IAH members. The Fund was replenished by £5,256 from general funds such that on 31 December 2024 the balance was £Nil (£2023: £Nil).

Asia Fund

The Association's Burdon Fund is long established and is focussed largely on Africa where the need for support for groundwater activities is greatest. At its strategic review in 2010 the Association wished to extend its developing country focus to Asia, where the educational and development support needs are somewhat different. Receipt in 2010 of an operating surplus from the 2009 conference in Hyderabad provided the opportunity to set up a separate Asia Fund and to establish a programme of support to members in the region. National chapters in the region were informed of the criteria for applying for support from the Asia Fund, but no requests for support were received. The balance of the fund at 31 December 2024 remained at £13,365 (2023: £13,365).

Page 17

International Association of Hydrogeologists

Notes to the Financial Statements - continued for the Year Ended 31 December 2024

12. RELATED PARTY DISCLOSURES

During the year, the charity's subsidiary administered funds held at bank on behalf of the charity. At 31 December 2024, the subsidiary holds £49,973 (2023 £84,945) on behalf of the charity.

Page 18

International Association of Hydrogeologists

Detailed Statement of Financial Activities for the Year Ended 31 December 2024

31.12.24 31.12.23
£ £
INCOME AND ENDOWMENTS
Donations and legacies
Donations 914 857
Gift aid 165 220
Donated services and facilities 6,312 4,463
7,391 5,540
Charitable activities
Membership fees 219,223 213,486
Contract & subvention income 48,467 49,819
Publishing royalties 22,632 42,774
Advertising and sponsorship income 2,696 2,743
Other income 18,841 4,802
311,859 313,624
Total incoming resources 319,250 319,164
EXPENDITURE
Charitable activities
Salaries 30,743 30,760
Social security 1,131 719
Pensions 1,140 1,230
Printing & publishing costs 57,264 64,695
Editorial payments 46,016 41,772
Refunds to National Chapters 20,767 19,742
Education Fund donations and grants 10,058 8,730
Website development 4,393 -
Forward Look - production of Strategic
Overview Papers - 2,680
World Water Congress - 178
Contract for Hydrogeology Journal Editorial
Office 12,260 14,082
Donations & grants - ECHN 2,999 2,341
World Water Day/Year - 4,193
Grants to individuals - sponsored
memberships 5,256 5,832
192,027 196,954
Support costs
Management
Salaries 37,279 34,034
Social security 725 507
Pensions 1,444 1,355
Carried forward 39,448 35,896

This page does not form part of the statutory financial statements

Page 19

International Association of Hydrogeologists

Detailed Statement of Financial Activities for the Year Ended 31 December 2024

31.12.24 31.12.23
£ £
Management
Brought forward 39,448 35,896
Rent - archive storage 626 547
Printing, stationery and communications 18,917 16,888
Sundries 3,943 3,248
Travel & subsistence 28,845 37,458
Professional subscriptions 485 657
Book keeping 3,195 3,290
Depreciation of fixtures & fittings 873 831
96,332 98,815
Finance
Bank, WorldPay and Paypal charges 3,820 3,980
Governance costs
Salaries 22,991 20,907
Social security 490 338
Pensions 899 836
Accountancy and legal fees 1,907 1,965
Legal fees 1,470 780
Election costs 1,980 -
29,737 24,826
Total resources expended 321,916 324,575
Net expenditure (2,666) (5,411)

This page does not form part of the statutory financial statements

Page 20

INT02-CHA02024 Final

Final Audit Report

2025-09-19

Created: 2025-09-02 By: DAVID WILLIAMS (davidw@lockewilliams.com) Status: Signed Transaction ID: CBJCHBCAABAAJkbzukaPjitu_gUXvr1V4C3WX8aed7ja

"INT02-CHA02024 Final" History

2025-09-02 - 11:38:42 GMT

Document emailed to Ian Davey (idavey@iah.org) for signature 2025-09-02 - 11:40:30 GMT

New document URL requested by Ian Davey (idavey@iah.org) 2025-09-17 - 23:22:44 GMT

Document e-signed by DAVID WILLIAMS (davidw@lockewilliams.com)

Signature Date: 2025-09-19 - 08:15:01 GMT - Time Source: server

Agreement completed.

2025-09-19 - 08:15:01 GMT