Frequently Asked Questions

ACE26 will be held June 21-24, 2026, at the Walter E. Washington Convention Center, 801 Allen Y. Lew Place NW, Washington, D.C. The headquarter hotel is the nearby Marriott Marquis Washington D.C.

View the Schedule-at-a-Glance.

Registration and hotel reservations are open! The educational program will be released in February 2026.

Register today! ACE26 Registration and hotel reservations are now open!

ACE26 Registration costs are on the ACE Registration page.

The educational program will be released in February 2026. Workshops & Tours have now been announced.

ACE26 Hotel Reservations are now open! Please visit the Hotel & Travel page to book your room.

Beware of hotel scams! Alert: AWWA is aware of multiple unauthorized organizations contacting exhibitors and attendees to solicit hotel rooms. Reservations made through these unauthorized solicitors cannot be guaranteed by AWWA and could result in hidden charges, unusual restrictions, incorrect hotel placement, or nonexistent reservations.

Connections Housing, Inc is the only official housing company approved by AWWA. All other solicitors should be considered fraudulent.

Book your room only through the official ACE Hotel & Travel webpage.

The ACE26 program will be published in February 2026, on the Educational Sessions page.

ACE26 Workshops & Tours have now been announced.

You may also explore the ACE26 Schedule at a Glance.

Looking for information from ACE25 in Denver?

Explore the ACE25 sessions and proceedings.

View the ACE25 onsite program book.

Mark your calendars. See a list of the next several years ACE dates and locations here.

The ACE26 Call For Abstracts closed in September 2025. Acceptance notifications will be emailed in February 2026.  Please visit the ACE I am a Presenter page for additional details.

Each year, the ACE CFA is generally open from mid-July through early September. Visit AWWA’s CFA page to view the list of other conferences currently accepting submissions.

ACE26: At ACE26, attendees can earn AWWA Certificates of Completion by scanning their badges when entering and exiting educational sessions. View this brief tutorial video to learn how, and visit the ACE Continuing Education page for updates.

ACE25: Instructions to download your ACE25 Certificates of Completion are found on the ACE Continuing Education page.

Registered attendees can access the ACE26 App beginning in May 2026. The app will include powerful features to help attendees plan and stay connected.

View this helpful Tutorial Video to learn how to make the most of the ACE App, and stay tuned for more details coming this spring!

AWWA must receive cancellations in writing. Phone cancellations are not accepted. Attendee registration cancellations dated on or before April 24, 2026 will receive a refund, minus a 25% administrative fee. After April 24, 2026, attendee cancellations will not be refunded; however, substitute registrants are welcome. Email requests for substitutions or cancellations to service@awwa.org or fax requests to 303.347.0804.

For exhibitor booth cancellation questions, please visit our Exhibitor page.

By registering for an AWWA event or program, attendees agree to abide by the conference policies and code of conduct. As part of your event registration personal contact data such as name, address, and email were collected and may be used by AWWA and approved third parties. The American Water Works Association (AWWA) Privacy Policy outlines its commitment to protecting user privacy, including compliance with the General Data Protection Regulation (GDPR). Visit awwa.org/privacy-policy for additional information. AWWA will take appropriate measures to ensure the security of its information systems and the data collected during the event and expects all participants to use AWWA’s digital resources responsibly and in accordance with applicable policies. As a reminder, by allowing your badge to be scanned for lead retrieval, you are providing your full contact information (address, email, phone, etc.) to the exhibitors.

Please visit our ACE Sustainability & Impact page for details.

As AWWA looks to the future and evaluates its environmental impact, the association is making a push towards a more sustainable ACE experience. Attendees will see several changes that reflect this more mindful approach and environmental stewardship.

The AWWA team does our best to ensure AWWA events are accessible for everyone by considering venue, mobility, audio/visual, sensory, and dietary needs in our planning. The registration form includes a section to share your request for support, and our team will follow up directly. For further assistance, contact us at awwaconferences@awwa.org

If an invitation letter is needed to secure your Visa to attend ACE, or if you wish to find information on Embassy, Visa Waiver Program, or additional details please submit the international request form. Requests will be honored for attendees and presenters with the intent to register.

For registration questions, please contact service@awwa.org

For presenters and moderators, please contact EducationServices@awwa.org

For exhibitors and sponsors, please contact ExhibitorMail@awwa.org

For general conference attendee questions, please contact AwwaConferences@awwa.org