Established in 1984. IRTCES promotes international exchange of knowledge and cooperation in the studies of erosion and sedimentation problems.

2.  International Research and Training Centre on Urban Drainage (IRTCUD)
Via Faculty of Civil Engineering, University of Belgrade
Bulevar kralja Aleksandra 73
P.O. Box 35-42
11000 Belgrade, Serbia
Tel.: +381-11321-8530
Fax: +381 11 337 02 06
E-mail: irtcud(at)hikom.grf.bg.ac.yu
Website: hikom.grf.bg.ac.rs/web_stranice/IRTCUD/network-IRTCUD.html

Established in 1987. IRTCUD aims to foster advanced research development in urban water management, having expanded its field of work originally concerned with the aspect of urban drainage.

3.  Regional Humid Tropics Hydrology and Water Resources Centre for South-East Asia and the Pacific (HTC Kuala Lumpur)
No. 2, Jalan Ledang Off Jalan Duta
50480 Kuala Lumpur, Malaysia
Fax: +60-3-4256-1894
E-mail: dirhtc(at)water.gov.my

Established in 1999. HTC Kuala Lumpur aims to promote collaboration among countries in the region through technology and information exchange, education and science.

4.  Regional Centre for Training and Water Studies of Arid and Semi-arid Zones (RCTWS)
Street No. 1, Fourth Industrial Zone
PO Box 58
Sixth of October City 12566, Egypt
Tel: +202 833 4677
Fax: +202 833 4106
E-mail: dalnagar(at)trainingcenter-eg.com
Website: www.rctws.com

Established in 2002. RCTWS provides information on the science and technology of arid and semi-arid zones and promotes policies leading to integrated and sustainable water resources management.

5.  Regional Centre on Urban Water Management (RCUWM)
1st Floor, No. 1, Shahrsaz Alley
Kargozar St. Dastgerdi (Zafar) Ave.
Tehran 19198 34453, IR of Iran
Tel.: +98-21-8875-4936
Fax: +98-21-8874-1230
E-mail: info(at)rcuwm.org.ir
Website: www.rcuwm.org.ir/

Established in 2002. RCUWM aims to transfer applicable scientific knowledge and to increase know-how and capacities in all cases and dimensions of urban water management in order to promote sustainable development within the region.

6.  International Centre on Qanats and Historic Hydraulic Structures (ICQHS)
Daneshjoo Blvd.
PO Box 89165 – 1553
Yazd, IR of Iran
Tel.: +98 351 8250553
Fax: +98 351 8241690
E-mail: semsar(at)icqhs.org
Website: www.icqhs.org

Established in 2003. ICQHS aims to promote research, capacity-building and knowledge transfer on qanats, an ancient technology based on underground water-collecting galleries still widely used, as well as the preservation of the cultural heritage that qanats and other historical hydraulic infrastructures represent.

7.  IHP-HELP Centre for Water Law, Policy and Science
Park Place
University of Dundee
Dundee DD1 4HN, Scotland
United Kingdom
Tel.: +44 (0) 1382 344456
Fax: +44 (0) 1382 226905
E-mail: p.k.wouters(at)dundee.ac.uk
Website: www.dundee.ac.uk/water

Established in 2006. The IHP-HELP Centre seeks to develop and share knowledge and expertise in international, national and transboundary water law and policy.

8.  International Centre for Water Hazard and Risk Management (ICHARM)
Public World Research Institute (PWRI)
1-6, Minamihara, Tsukuba-shi
Ibaraki-ken 305-8516
Japan
Tel.: +81-(0) 29-879-6809
Fax: +81-(0) 29-879-6709
E-mail: icharm(at)pwri.go.jp
Website: www.icharm.pwri.jp

Established In 2006. ICHARM deals with water-related disasters such as floods and droughts, which are major challenges that need to be overcome in order to ensure sustainable human development and poverty alleviation.

9.  European Regional Centre for Ecohydrology (ERCE)
3 Tylna Str
90-364 Lodz
Poland
Tel.: +48-42-681-7007
Fax: +48-42-681-3069
E-mail: mzal(at)biol.uni.lodz.pl
Website: www.mcepan.lodz.pl/

Established in 2006. ERCE promotes integrative multidisciplinary ecohydrological research at a catchment scale for sustainable management, protection and restoration of aquatic resources.

10.  Water Centre for Arid and Semi-arid Zones of Latin America and the Caribbean (CAZALAC)
Benavente 980
La Serena, Chile
Tel.: +56-51-204493
Fax: +56-51-334814
E-mail: gsoto(at)cazalac.org
Website: www.cazalac.org/

Established in 2006. CAZALAC is responsible for coordinating and articulating scientific and technologic actions aimed at the sustainable management of water resources in arid, semi-arid and sub-humid zones of the LAC region.

11.  Regional Centre on Urban Water Management for Latin America and the Caribbean
Ministerio de Ambiente, Vivienda y Desarrollo Territorial
Oficina de Asuntos Internacionales
República de Colombia
Tel: +57 1 3323400
Email:alozano(at)minambiente.gov.co

Established in 2007. The Centre aims to promote research on the different aspects of urban water management, capacity and institutional building for countries in the region through education, training, scientific and technical research, as well as international and regional cooperation and networking.

12.  International Groundwater Resources Assessment Centre (IGRAC) 
P.O.Box 2807
2601CV Delft
The Netherlands
Tel: +31 15 215 2325
Email: info(at)un-igrac.org

Established in 2007.  The overall objective of IGRAC is to include groundwater fully in the assessment of freshwater resources of the world in order to encourage and enhance the conjunctive and sustainable utilization of both groundwater and surface water.

13.  Regional Centre for Shared Aquifer Resources Management (RCSARM)
c/o General Water Authority
P.O. Box 5332
Tripoli, Libya
Email: osalem@gwalibya.org

Established in 2008. The Centre aims to generate and provide scientific and technical information and support exchange of information on regional shared groundwater management issues, with emphasis on Africa and the Arab States.

14.  International Center for Integrated Water Resources Management (ICIWaRM)
Institute for Water Resources
U.S. Army Corps of Engineers
7701 Telegraph Road
Alexandria, VA 22315-3868, USA
Tel: +1 703 428 8250
Fax: +1 703 428 8171
E-mail: Robert.A.Pietrowsky(at)usace.army.mil
Website: http://www.iciwarm.org/en/

Established in 2009. ICIWaRM’s overall mission is the advancement of the science and practice of IWRM to address water security and other water-related challenges by regional and global action, through new knowledge, innovative technologies, collaborative interdisciplinary scientific research, networking, training and capacity development.

15.  HidroEx – International Centre for Education, Capacity Building and Applied Research in Water
Rua Tiradentes, 325
Centro Frutal, State of Minas Gerais
CEP (MG) Brazil
Tel: +55 34 3429 9500
Email: octavio.elisio(at)hidroex.mg.gov.br

Established in 2009. HidroEx aims to strengthen excellence in applied research in the management of water resources and on educating communities to enhance the understanding of social and economic values of water resources, with a special focus on Latin American and African countries.

16.  International Centre for Coastal Ecohydrology (ICCE)
Solar do Capitão Mor, EN125 Horta das Figuras
8000-518
Faro, Portugal
Tel: +351 289 888 140
Fax: +351 289 888 149
E-mail: info(at)icce-unesco.org
Website: www.icce-unesco.org

Established in 2009. This centre, under the auspices of UNESCO, will integrate the worldwide network of 24 UNESCO centres in the field of water sciences, being the only one specifically dedicated to coastal areas.

17.  Asia-Pacific Centre for Ecohydrology (APCE)
Jl. Gatot Subroto
No. 10, Jakarta 12710
Indonesia
Tel: +62 21 5281850
Fax: +62 21 5260804
Mobile: +62 81 1 21 4304
Email: hery_harjono(at)yahoo.co.uk
           hery.harjono(at)lipi.go.id

Established in 2009.  APCE aims to contribute with scientific knowledge, capacity-building, educational and dissemination activities to support, design and implement ecohydrology strategies and policies for sustainable water resources management.

18.  Centre for the Sustainable Management of Water Resources in the Caribbean Island States
c/o Instituto Nacional de Recursos Hidráulicos (INDRHI)
Av. Jiménez Moya, Centro de los Héroes
Santo. Domingo, República Dominicana
Tel: +809-532-3271
Email (provisional): su_correo(at)indrhi.gov.do

Established in 2010. The objective of the Center is to generate and transfer scientific and technological knowledge related to sustainable water management in the Carribean Island States, so as to increase the practical knowledge and improve the capacities for a more efficient use of water resources.