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2025
- December 8–12, 2025, Bangkok, Thailand
IWA Water and Development Congress & Exhibition 2025
Details at IWA Water and Development Congress
- December 8–10, 2025, Jeddah, Saudi Arabia
Innovation Driven Water Sustainability Conference 2025
Deatails at IDWS2025
2026
- January 26–28, 2026, Riyadh, Saudi Arabia
IFAT Saudi Arabia 2026
The Kingdom's largest trade show focusing on solutions in waste,
water and environmental technologies
Details at IFAT 2026
- February 2–5, 2026, Myrtle Beach, SC, USA
Membrane Technology Conference and Exposition
Presented by AMTA and AWWA
Details at Membrane Technology Conference
- February 22–24, 2026, Naples, Italy
6th IWA International Symposium on Water, Wastewater
and Environment in Ancient Civilizations
Details at WWTAC-2026
-
March 8–11, 2026, Los Angeles, CA, USA
2026 WateReuse Symposium
Details at 2026 WateReuse Symposium
- March 16–19, 2026, Orange Beach, Alabama, USA
IWA Biofilms Reactors Conference
Details at IWA Biofilm Reactors
- March 17–19, 202, Santiago, Chile
ACADES Congress 2026 — Water for Growth
Organized by Chilean Desalination and Reuse Association (ACADES)
Details at ACADES2026
- March 23–25, 2026, Ratmalana, Sri Lanka
IWA Water Safety Conference & Exhibition 2026
Details at WSCE 2026
- March 25–27, 2026,Hammamet, Tunisia
10th Mediterranean Conference on
Desalination and Water Treatment CMTDE 2026:
Water-Energy-Food-Ecosystems Nexus
Details at CMTDE 2026
- April 7–9, 2026, Istanbul, Turkey
IWA Digital Water Summit
Details at Digital Water Summit 2026
- April 19–23, 2026, Muscat, Oman
Oman Water Week
Details at Oman Water Week
- April 19–23, 2026, Muscat, Oman
16th Gulf Water Conference
Details at 16th Gulf Water Conference
- April 25–28, Rio de Janeiro, Brazil
Water Loss 2026
Details at Water Loss 2026
- May 6–8, 2026, Prague, Check Republic
Surfaces, Interfaces & Coatings Technologies International Conference — SICT 2026
Details at SICT 2026
- May 16–20, 2026, Delft, The Netherlands
IWA Nutrient Removal and Recovery Conference 2026
Details at NRR 2026
- May 18–20, 2026, Madrid, Spain
Global Water Summit 2026
Details at GWS2026
- May 19–21, 2026, Trondheim, Norway
11th International Conference on Sewer Processes and Networks
Details at SPN11
- May 20–22, 2026, Wroclaw, Poland
Water, Sewage, Waste — Infrastructure and Technology
Scientific and Technical Conference
For details please write here
- May 30 – June 3, 2026, Toronto, Canada
14th Micropol and Ecohazard Conference 2026
Details at Micropol and Ecohazard 2026
- May 31–June 4, 2026, Nantou, Taiwan
NanoFiltration 2026
Details at NanoFiltration 2026
- June 9–13, 2026, Valencia, Spain
19th IWA World Conference on Anaerobic Digestion:
Fueling Sustainability
Details at AD19
- June 14–17, 2026, Milan, Italy
2nd IWA Young Water Professionals European Conference (YWPEU 2026)
Details at YWPEU 2026
- June 17–18, 2026, Santiago, Chile
8th International Conference and Exhibition
"Desalination Latin America"
Details at Desalination Latin America
- June 21–24, 2026, Sapporo, Japan
IWA Particle Separation Conference
Details at IWAPS2026
- June 22–25 June, 2026, Casablanca, Morocco
European Desalination Society Conference
EuroMed 2026 – Desalination, Water Reuse
and the Environment
Details at EDS EuroMed 2026
- June 26 – July 2, 2026, Delft, The Netherlands
Water in Industry 2026
Details at WIN2026
- June 29–July 3, 2026, Montpellier, France
18th International Conference on Inorganic Membranes (ICIM-18)
Details at ICIM-18
- June 30 – July 4, 2026, Bordeaux, France
14th World Filtration Congress
Details at World Filtration Congress
- July 18–25, 2026, San Antonio, Texas, USA
2026 International Congress on Membranes and Membrane Processes
(ICOM2026)
Details at ICOM 2026
- August 6–8, 2026, New Delhi, India
EAW Global Aqua Expo 2026
Details at EAW EXPO 2026
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September 1–6, 2026, Phnom Penh, Cambodia
The 4th IWA Conference on Rainwater Harvesting and Management:
Connecting Water, Climate, and Culture
Details at 4RWHM 2026
- September 13–17, 2026, Chania, Greece
9th International Conference on
Wetland Systems for Water Pollution Control
Details at ICWS2026
- October 4–7, 2026, Prague, Czech Republic
MELPRO 2026
International conference on membrane and electromembrane processes
Details at MELPRO 2026
- October 4–8, 2026, Glasgow, UK
2026 IWA World Water Congress and Exhibition
Details at 2026 IWA World Water Congress
- October 11–14, 2026, Ankara, Turkey
10th International Conference on Organic Solvent Nanofiltration
Details at Organic Solvent Nanofiltration
- November 1–5, 2026, Riyadh, Saudi Arabia
IDRA World Congress 2026
Details at IDRA 2026
- November 24–27, 2026, Vienna, Austria
23rd IWA International Conference on Diffuse Pollution & Eutrophication (IWA DIPCON 2026)
Details at DIPCON 2026
Calendar of Holidays
|
2025
| 14–30 |
|
December |
Hanukkah (Jewish) |
| 25 |
|
December |
Christmas (Christian) |
2026
| 1 |
|
January |
New Year's Day |
| 7 |
|
January |
Christmas (Orthodox Christian) |
| 17 |
|
February |
Chinese New Year |
| 18 |
|
February |
Ramadan begins (Islam) |
| 21 |
|
March |
Norooz (New Year) |
| 20 |
|
March |
Eid al Fitr (Islam) |
| 2–10 |
|
April |
Passover (Jewish) |
| 5 |
|
April |
Easter (Christian) |
| 12 |
|
April |
Easter (Orthodox Christian) |
| 22–24 |
|
May |
Shavuot (Jewish) |
| 24 |
|
May |
Pentecost (Christian) |
| 27 |
|
May |
Eid al Adha (Islam) |
| 12–14 |
|
September |
Rosh Hashanah (Jewish) |
| 21 |
|
September |
Yom Kippur (Jewish) |
| 26 September |
|
2 October |
Sukkot (Jewish) |
| 1 |
|
November |
All Saints Day (Christian) |
| 4–12 |
|
December |
Hanukkah (Jewish) |
| 25 |
|
December |
Christmas (Christian) |
2027
| 1 |
|
January |
New Year's Day |
| 7 |
|
January |
Christmas (Orthodox Christian) |
| 6 |
|
February |
Chinese New Year (Buddhism) |
| 7 |
|
February |
Ramadan begins (Islam) |
| 9 |
|
February |
Eid al Fitr (Islam) |
| 21 |
|
March |
Norooz (New Year) |
| 28 |
|
March |
Easter (Christian) |
| 21–29 |
|
April |
Passover (Jewish) |
| 2 |
|
May |
Easter (Orthodox Christian) |
| 16 |
|
May |
Eid al Adha (Islam) |
| 16 |
|
May |
Pentecost (Christian) |
10–12 |
|
June |
Shavuot (Jewish) |
| 21 |
|
June |
Pentecost (Orthodox Christian) |
| 1–3 |
|
October |
Rosh Hashanah (Jewish) |
| 11 |
|
October |
Yom Kippur (Jewish) |
| 15–22 |
|
October |
Sukkot (Jewish) |
| 23 |
|
October |
Simhat Torah (Jewish) |
| 1 |
|
November |
All Saints Day (Christian) |
| 24 |
|
December |
Hanukkah (Jewish) |
| 25 |
|
December |
Christmas (Christian) |
|
|
 |
|