International Ozone Association

Pan American Group (PAG) 




2025 IOA World Congress

August 25-29 | Omni Atlanta at Centennial Park, Georgia, USA



2025 IOA World Congress

August 25-29 | Omni Atlanta at Centennial Park, Georgia, USA

REGISTRATION INFORMATION

Attendee Registration              Exhibitor Registration

2025 Registration Rates


More information and resources can be found below. 
We will be continuously updating this page and sending announcements via email leading up to the World Congress. Please don't hesitate to reach out to us if you have any questions!

About the Conference

The IOA World Congress is an international conference and exposition showcasing leading edge technologies and in-depth information for municipal drinking water, wastewater, water reuse, industrial process, and medical applications with focus on Ozone and AOP technology and application.



Technical Program

The 2025 Technical Program features a 1-day workshop (separate ticketed event) followed by 3 days of technical presentations on subjects such as drinking water treatment, water reuse, industrial applications, medical applications, and innovative new techniques and technologies, etc.  

Presenting authors may have their work considered for publication in Ozone Science & Engineering (OS&E), the official Journal of the International Ozone Association. 

All conference attendees will receive complimentary access to the World Congress Proceedings after the conference concludes.

2025 Technical Program

(*The Technical Program is subject to change.)

Coming Soon: Keynote Speaker, Ozone Basics Workshop, Technical Tour, Georgia Aquarium Banquet, Cultural Tours

More Registration Information

Benefits of Attending Include:
  • 3 Days of Technical Presentations by Ozone Experts
  • Engaging Roundtable Discussions led by Ozone Industry
  • Panel Discussions with Ozone Leaders
  • Interactive Workshop for those who are new to Ozone 
  • Exhibit Hall with leading manufacturers of Ozone equipment
  • Networking opportunities to connect with International leaders and practitioners and to learn more about Ozone applications
  • Technical Tours to learn more about local Ozone installations
  • Local Cultural Tours for visitors

Utility Registration Bundle!

Utilities and other end users of ozone registering three conference attendees will receive a complimentary registration for a fourth attendee to the 2025 IOA World Congress. (Buy 3 Get 1 Free!)

In order to receive the discount, please complete the regular registration process for your first 3 attendees and send their names to IOA Support (support@ioa-pag.org). Once registration has been confirmed, you will receive a coupon code to sign up your complimentary (4th) registration using Registration Category (Q).

Presenter Resources

Presenters will all have the opportunity to include their papers in the 2025 World Congress Proceedings, published after the conference concludes. A Speaker Agreement form will be sent via email, and can also be found below. Please reach out to IOA Support if you have any questions.


2025 Speaker Agreement Form

Cancellations

Registration cancellations for the 2025 IOA World Congress must be sent to support@ioa-pag.org and be received no later than Monday, August 11th for a full refund. There will be no refunds for registrations cancelled after August 11th. 

For questions, contact support@ioa-pag.org or (916) 441-0629.

Exhibit Hall Information

Join us in the Exhibit Hall!

*The 2025 Exhibitor Prospectus will be available the week of May 5th. The 2025 Exhibit Hall Floor Plan will be available soon. IOA-PAG Year-Round Sponsors will be given first priority for booth locations. 

The Exhibit Hall will be the central hub for numerous conference activities including coffee breaks, lunches, and the Exhibitors Welcome Reception. Reserve your booth today to assure your organization is at the center of all the action.

Benefits of Exhibiting Include:

  • High-traffic exhibit hall to attract potential customers
  • Market your product and services to hundreds of attendees focused on municipal and industrial ozone applications
  • Generate publicity with your company listing on the Conference Program, website, and email correspondence with IOA members
  • Benefit from the additional exhibit hall traffic by hosting networking opportunities including coffee breaks and the Exhibitors Welcome Reception

    Note: Full Registration includes access to the Exhibit Hall, Technical Sessions, Conference Proceedings, Coffee Breaks, Lunches, and Receptions. The Workshop, Technical Tour, and Georgia Aquarium Banquet are not included with Full Registration. There is a max of 2 Exhibitors per booth.

    Cancellations: Cancellation of exhibit space must be made in writing to the IOA-PAG at support@ioa-pag.org. Cancellations received on or before July 31st will receive a 50% refund. There will be no refunds issued for cancellations received after July 31st.

    Conference Sponsorships

    Coming Soon!

    Hotel Information


    Book your stay under IOA's exclusive room block rate of $159/night! Note there is limited availability, so book early to ensure the discounted rate! Offer expires on August 1st, 2025.

    Reserve Your Room HERE

    Omni Atlanta Hotel at Centennial Park

    IOA Support

    Questions about the 27th IOA World Congress? Having a hard time deciding which registration option is right for you? We're here to help!

    Email: support@ioa-pag.org 
    (Monday-Friday, 8:00 am - 4:30 pm PT)

    Phone: +1-916-441-0629 
    (
    Monday-Thursday, 8:00 am - 4:30 pm PT)

    Copyright 2025; The International Ozone Association is a 501(c)3 non-profit organization. 

    IOA-PAG, 1521 I Street, Sacramento, CA 95814; support@ioa-pag.org 

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