The Water Environment Federation is a nonprofit association that provides technical education and training for thousands of water quality professionals who clean water and return it safely to the environment. WEF members have proudly protected public health, served their local communities and supported clean water worldwide since 1928. 


Watch a video from WEF Executive Director Walt Marlowe on prioritizing your health at WEFTEC 2021 in Chicago.



A Reunion That Can’t Be Missed

Hear WEF Executive Director Walt Marlowe share his excitement about seeing everyone for WEFTEC 2021.

Explore the WEFTEC Schedule

See You in Chicago!

Diego Rosso can't wait to see thousands of water professionals at WEFTEC 2021 next month in Chicago!

See What's Planned

What's Happening

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Diversity, equity, and inclusion are core principles to WEF's mission. We are committed to creating an organization that acknowledges and celebrates our unique differences and that includes bringing you a new slate of DEI programming at #WEFTEC. 

Your DE&I Guide to WEFTEC 2021

Learn more about the Water Environment Federation's (WEF) annual technical conference WEFTEC and why exhibiting at this yearly water sector reunion is an excellent opportunity for your company to build brand awareness and network with water professionals.

Register to View On-Demand

Take a look inside the WEFTEC 2021 Official Onsite Guide to see what's planned, view the program, browse the exhibitor listing, explore the exhibit floorplan map, and more.

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Learn from trusted thought leaders from the convenience of your home or office. WEFTEC Curated Short Courses, available in the newly launched WEF Learning Center, give you online access to in-demand topics from world-renowned speakers curated by over 200 topical experts. Complete training at your own pace and earn CE credits, certificates of completion, and digital credentials.

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Join the 2021 Water Leadership Institute (WLI) cohort to focus on different aspects of change leadership in the water sector in a TED-Talk style on-demand video series. Watch and learn as your schedule permits. WLI students cover topics on workforce development, data and digital communications, and human resources. Extend your learning and join the discussion by registering to attend three upcoming change leadership roundtable discussions.

View the Series and Register for the Roundtables!

WEF proudly announces the 2021 WEF Awards recipients for individuals and organizations that have made outstanding contributions to the sustainability of water resources and made a profound impact on the future of the water profession.

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Register today for the WEF Forum 2022 on Particles and Colloids to join the water community as they take a deep dive into the world of particles and colloids (P&Cs). 

Register Today!

Test your knowledge of wastewater and laboratory topics using Skills Builder.

Take A Quiz

🎧 LISTEN to Melody White of Hach discuss the state of #water reuse, including the continued increase in projects, how population growth and drought are driving the practice, barriers of cost and public acceptance, and advancing the science and technology.

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🎧 LISTEN to this #podcast guest hosted by Mel Butcher who interviews Shea Dunifon of Pinellas County, Florida about her work to engage the public, especially younger generations, and how that creates more informed citizens and helps the water sector's future talent pipeline.

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We’re excited to announce that Wastewater Treatment Fundamentals II—Solids Handling and Support Systems, the highly-anticipated sequel in the Wastewater Treatment Fundamentals training series, is now available. This manual helps operators prepare for the first three levels of certification examinations.

Order Your Copy

WEF has launched its CE Credit Archive to let you track your earned credits, access your continuing education documents anytime, and serve as an archive for state reporting.

The archive currently includes CE Credit records for WEFTECs 2016 through 2020 (WEFTEC Connect) and past WEF Education and Training events, beginning in 2017.

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Work for Water is a valuable resource for job seekers, students and veterans interested in pursuing or advancing careers in the water sector.

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  • No matter the obstacles, through changes and challenges, water professionals keep going, learning, and doing what’s necessary to provide safe, clean water. That’s the strength of our community, and it’s time to come together again to celebrate what makes our sector great. At WEFTEC, the full breadth of the water sector comes together, in one place, for you to explore, learn, network, grow professionally, and strengthen your connection to the water community.