| Call for Plenary and Parallel Sessions opens | 31st January 2022 |
| Call for Plenary and Parallel Sessions closes | 13th April 2022 included |
| Submission of abstracts for Sessions opens | June 1 2022 |
| Call for Topical Discussion Meetings opens | June 1 2022 |
| Registration for ESWW2022 (in-person/hybrid/virtual) opens | June 1 2022 |
| Submission of applications for financial support opens | June 1 2022 |
| Deadline abstracts of oral presentations for Sessions | 1st July 2022 included |
| Deadline of applications for financial support | 1st July 2022 included |
| Call for Topical Discussion Meetings closes | 1st July 2022 included |
| Release of Session and TDM Programme | Late August 2022 |
| Decision on the financial support | End of August 2022 |
| Deadline Early registration for ESWW2022 (in-person/hybrid/virtual) | 10th September 2022 included |
| Deadline abstracts of posters for Sessions | 10th September 2022 included |
| Deadline registration for ESWW2022 (in-person/hybrid/virtual) | 15th October 2022 included |
