Joint Committee Urban Drainage
Facilitating international collaborations in urban drainage research

The IWA / IAHR Joint Committee on Urban Drainage (designated hereafter as JCUD) and its activities are described in three other companion documents (downloadable below):

  • The JCUD Statutes
  • The JCUD Mission Statement


Since its creation in 1981, the IWA / IAHR Joint Committee on Urban Drainage (JCUD) has been operated jointly by the International Water Association (IWA), as the Specialist Group on Urban Drainage (SGUD), and the International Association on Hydraulic Engineering and Research (IAHR), as the Technical Section on Urban Drainage within the Technical Division II “Applied Hydraulics”. This joint oversight has been established to emphasize and promote effective interactions between experts on hydraulic aspects (main focus of IAHR) and on water quality aspects (main focus of IWA); such aspects are intrinsically interrelated in the field of urban drainage.

Composition and Working Groups

JCUD Meeting at Novatech in 2019

The JCUD comprises a management committee with up to 12 members, elected for a 3-year term (with the possibility of serving a second 3-year term, and a further extension in the case of the chairperson elected during the second term of service). The management committee members’ specialities should reflect the various topics address by the JCUD and, as much as possible, the members should represent active research communities in the different regions of the world. At least one Young Water Professional (YWP) representative shall sit on the JCUD management without the voting rights of the management committee. The JCUD operates and coordinates a number of Working Groups (see the section “Working Groups” on the webpage), each having large autonomy in defining its operational rules of work. More details on the JCUD composition and working groups are givein in the JCUD Statutes document below.

Main Activities

The JCUD aims to achieve its objectives by means of various types of activities listed below. Since 1981, the JCUD organizes the triennial International Conference of Urban Drainage (ICUD). Recognised as the most important international events in the field of urban drainage, the ICUDs are held in different parts of the world by groups of active researchers selected and designated by the JCUD after a competitive assessment of submitted proposals. Since 2005, the Poul Harremoës Award for the best urban drainage paper by a young author is presented during each ICUD. The JCUD requests sponsorship from parental organizations (IWA and IAHR) for and promotes specialty conferences organized by its WGs, co-sponsors other conferences and events organized by other groups where urban drainage issues are significant (e.g., the triennial Novatech conferences organised by the GRAIE in Lyon, France; the annual DiffPoll conferences organized by the IWA SG on Diffuse Pollution; and other events selected on the basis of their merit). The JCUD is represented in and actively contributes to the programme and sessions of the IWA Biennial World Water Congress and the IAHR Biennial Congress. The JCUD contributes to the dissemination of knowledge and practice by means of: – ICUD proceedings – IWA and IAHR journals – initiating or sponsoring review and/or position papers prepared by its members and presented at conferences or published in journals, and – initiating or participating in preparation of scientific monographs. The JCUD publishes an annual Newsletter, disseminated electronically using the JCUD e-mail list and also by IWA and IAHR using their own lists. The JCUD and its WGs disseminate information about their activities by means of webpages hosted by (or having hyperlinks on) both IWA and IAHR websites. The JCUD promotes its topics, role and activities in, and contributes to the general policy of its parental organisations.

JCUD Statutes

The JCUD statutes is the guiding document outlining the formation, functioning and the general governance of the JCUD and has been approved in it’s current form by both the parent institutes (IWA and IAHR). The statutes can be downloaded below

JCUD Mission Statement

The JCUD statutes is the guiding document outlining the formation, functioning and the general governance of the JCUD and has been approved in it’s current form by both the parent institutes (IWA and IAHR). The statutes can be downloaded below

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