94th Annual Technical Exhibition & Conference
Chicago, Illinois | McCormick Place
Conference: October 16-20, 2021
Exhibition: October 18-20 , 2021
WEFTEC Online: November 16-18, 2021

Save the Dates

2021 conference logo

McCormick Place, Chicago

October 16-20 | Conference

October 18-20 | Exhibition

November 16-18 | WEFTEC Online

Your Health and Wellbeing

WEF and our event production partners are taking proper precautions, so that you can connect, learn, and do business safely in person.

Expectations and Guidance

Become an Exhibitor

General exhibit sales are underway!

Exhibit in 2021

Featured Events SEE ALL EVENTS

Access Water Knowledge

Papers presented during WEFTEC Connect and past WEFTECs are available through WEF’s digital library for the water sector, Access Water.  Discover over 20,000 items of technical content from past conferences’ proceedings; fact sheets; books; technical reports; articles; and more!

Search Access Water

Operations Challenge

The water industry's premier skills competition for Water Resource Recovery Facility personnel.

In 2020 two- and four- person teams representing WEF's Member Associations competed remotely in three categories: process control, laboratory, and collections.

Experience the Virtual Competition

Your Conference Experience

WEF respects and takes the broadest view of human diversity and inclusion, and is committed to providing a professional, safe, and welcoming environment at its events for all water professionals and their guests.

See our policies