| Event Name | Location | Type | Date | Link |
| NEWEA 2008 Conference and Exhibition | Boston Marriott Copley Place Hotel , Boston, MA, USA | Conference | Jan 27 - 30 |  |
| AWRA | San Mateo, CA, USA | Conference | Mar 17 - 19 | |
| Texas Water 08 | San Antonio, TX, USA | Conference | Mar 25 - 28 | |
| TFMA Spring Conference 2008 | League City, Texas | Conference | Apr 30 - 2 | |
| Enviro 08 | Melbourne, Australia | Conference | May 5 - 7 | |
| ALERT Users Group - 22nd Conference and Exposition | Palm Springs, CA | Conference | May 6 - 9 | |
| WEF Collection Systems 2008 | Pittsburg, Pennsylvania | Conference | May 12 - 20 | |
| Association of State Floodplain Management Conference | Reno-Spark, Nevada | Conference | May 18 - 23 | |
| Middle East User Conference | UAE | User Conference | May 19 - 21 | |
| ACCADUEO | Ferrara, Italy | Conference | May 21 - 23 | |
| Benelux User Conference | Antwerp Zoo | User Conference | May 27 | |
| WaPUG Spring Meeting | Coventry, UK | Conference | Jun 3 | |
| ACE 08 | Georgia World Congress Center, Atlanta, Georgia, USA | Conference | Jun 8 - 12 | |
| Flood and Coastal Management 2008 | Manchester, UK | Conference | Jul 1 - 3 | |
| Stormwater Conference 2008 | Surfers Paradise, Queensland, Australia | Conference | Jul 8 - 11 | |
| Wallingford Software User Conference (Asia) | Selangor, Malaysia | User Conference | Jul 14 - 15 | |
| 2008 Water Professionals Conference | Knoxville, TN, USA | Conference | Jul 20 - 23 | |
| 08 Yokohama Sewage Works Exhibition | Yokohama, Japan | Exhibition | Jul 22 - 25 | |
| StormCon | Orlando, USA | Exhibition | Aug 4 - 7 | |
| WDSA 2008 | Kruger National Park, South Africa | Conference | Aug 17 - 20 | |
| 11th International Conference on Urban Drainage | Edinburgh | Conference | Aug 31 - Sep 5 | |
| 11th International River Symposium | Brisbane, Queensland, Australia | Conference | Sep 1 - 4 | |
| International User Conference 2008 | Reading, UK | User Conference | Sep 16 - 18 | |
| DSS 2008 | Austin, TX, USA | Conference | Sep 21 - 24 | |
| Floodrisk 2008 | Oxford | Conference | Sep 30 - Oct 2 | |
| Aquatech Amsterdam | Amsterdam, The Netherlands | Exhibition | Sep 30 - Oct 3 | |
| North American User Group Meeting | San Diego, CA | User Conference | Oct 1 - 2 | |
| Hong Kong User Day 2008 | Park Lane Hotel, Hong Kong | User Conference | Oct 8 - 10 | |
| Wallingford Software Thailand User Conference | Bangkok, Thailand | User Conference | Oct 14 - 16 | |
| WEFTEC | Chicago, IL, USA | Conference | Oct 19 - 22 | |
| Wallingford Software WS User Conference (New Zealand) | Rotorua, New Zealand | User Conference | Nov 4 | |
| Wallingford Software CS User Conference (New Zealand) | Rotorua, New Zealand | User Conference | Nov 5 | |
| IWWS User Conference (Australia) | Sydney, Australia | User Conference | Nov 20 | |
| IWCS User Conference (Australia) | Melbourne, Australia | User Conference | Nov 27 | |
