
Conference Registration
Early bird registration is extended to end of day March 31.
The Technical Tour is sold out. Don't forget to check out the Conference Dinner!
The IWA Micropol & Ecohazard Conference 2026 Toronto will take place from May 31 to June 4, 2026. See below for information on how to register for the conference.
Registration Information
Registration:
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Includes:
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Attendance at the conference venue for the duration of the conference (May 31-June 3)
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A conference program
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For Young Professionals, attendance at a workshop and a coffee break on May 31.
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Attendance at the opening reception during the evening of May 31, including snacks and beverage
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Lunch and coffee breaks during the conference on June 1, June 2 and June 3.
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Does not include (but attendees may attend for an additional charge):
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The conference dinner on June 2 - more information.
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The Technical Tour on June 4 - more information.
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The fees for registration are shown below in American dollars (USD). Note that there will be additional charges for delegates who choose to attend the conference dinner and the technical tour.
Early-bird registration will open on February 1, 2026 and will close on March 15, 2026. The IWA membership list will be checked to determine whether registrants are IWA members.
High income country:
Early-bird Fee* Regular Fee*
Non-IWA member $700 $750
IWA member $600 $650
Student $200 $250
Accompanying delegate $ 25 $ 25
Lower income country (click here for the list of countries considered by the IWA to be eligible):
Early-bird Fee* Regular Fee*
Non-IWA member $550 $600
IWA member $450 $500
Student $150 $200
Accompanying delegate $ 20 $ 20
1-Day Attendance $150 (regardless of country, IWA membership, or student status)
* All fees are subject to an additional Sales Tax of 10% levied by the Government of Canada and by the Province of Ontario, plus a 2.5% service charge from the website provider.
1 Student registrants will be asked to show their student card or other identification when they pick up their registration package.
2 Note that accompanying delegates will have access to the opening reception, and will have the option of attending the technical tour and the conference dinner.
Cancellation and refund policy:
Requests for cancellations must be sent by e-mail to cmetcal123@gmail.com. The cancellation and refund policy is as follows:
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Cancellation requests sent before April 1, 2026 – full refund
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Cancellation requests sent between April 1& May 1, 2026 - refund minus a USD$50 processing fee for the cost of wire transfers.
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Cancellation requests sent after May 1, 2026 – no refund, since payments will have already been made to the conference venues based on the numbers of registrants.
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Registering
Registration is OPEN.
Note: The Technical Tour is sold out.
Registration is completed in 2 steps:
Step 1.
Register and pay for the conference and other events (i.e., ticket purchase) using the Buy Tickets link below. After completing your ticket purchase, you will be redirected to this site's home page. Return to this web page (Registration) to complete step 2 (below).


Step 2:
Complete a survey to record any dietary preferences, restrictions or food allergies for you and for an accompanying delegate.
Click this link to complete the survey after you have purchased ticket(s).
Letter for VISA Requirements (for International Visitors)
For more information on VISA requirements for entering Canada to attend, please visit our Travel webpage.
Those requiring an official letter of invitation to register for the conference to support their applications for a Visa to enter Canada should send an email that clearly states:
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their full name
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their affiliated institution, organization or company
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their position (e.g., Professor, Graduate Student, Postdoctoral Fellow, Researcher, Engineer, Manager)
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their country of citizenship
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their passport number
Please send the email to cmetcalfe@trentu.ca. Note that Immigration, Refugees and Citizenship Canada has now registered the conference and has provided an IRCC Event Code that will be communicated in the invitation letter.
