Registration fees

Early registration

(until 15th May, 2023)

Late registration

(from 16th May, 2023)

 IWA member

550 €

600 €

Non-IWA member

600 €

650 €

Low income country

250 €

300 €


250 €

300 €

VAT Included

Presenting authors will be required to register for the conference by 30th April 2023. 

Students are asked to provide a certificate from their institution or a letter from their Department Head/Chair that states that the attendee is a full-time student. Please upload your certificate/confirmation letter as a scanned pdf document in your personal area.

Check the list of income countries here.


Technical visits (Find details here)

50 €

Specialized courses (Find details here)

50€ (only for non-attendants)

Gala dinner (Girona Conference Centre)

€ 75

VAT Included

Registration for activities will be closed on Monday, 12th June.


If you require an invoice in the name of a Company or Institution, please complete the billing information in the "My data" tab in your personal area. You can download the invoice within 4-6 days in your personal area.

If you require an invoice prior to payment, please request it by email: Please fill in the billing information in the "My data" tab of your personal area. 

Registration fee includes

  1. Participation in the conference sessions
  2. Conference Documentation
  3. Digital Abstracts Book
  4. Working Coffees & Lunches
  5. Certificates of attendance
  6. Certificates of participation
  7. Pre-conference courses
  8. Workshops

Organized by



Technical Secretariat

Alo Congress – VB Group
Numancia 73, 7º C-2
08029 Barcelona - Spain
Phone: (+34) 933 633 954
Payment and invoices: