The Water Environment Federation is a not-for-profit 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.


Find out about WEFTEC, the world's largest water-quality event! Registration for WEFTEC 2018 will be open in the spring.

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Learn About Water Quality

Find out about technical resources, how to get involved and see conferences and events sorted by topic.

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Become a WEF Member

Join your colleagues and gain access to unparalleled information, resources, and networking opportunities.

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What's Happening

Aug. 20, 2018: In podcast no. 48 Manny Teodoro, associate professor at Texas A&M University, discusses the affordability of water — including how water can be simultaneously underpriced and unaffordable — and why the water sector must address the issue.

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Aug. 20, 2018 - WEF staffer Megan Livak blogs about all the exciting events planned by the Students & Young Professionals at WEFTEC 2018!

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Stay up-to-date with the latest research and information from WER: The August 2018 open-access article assesses indirect potable reuse of reclaimed wastewater in the Reno-Sparks metropolitan area in Nevada.

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Aug. 13, 2018 — Cathy Bailey is the Executive Director of Greater Cincinnati Water Works. In podcast no. 47, Cathy discusses her rise from a chemist working nights to the first woman and African-American to lead the utility in its 200-year history. She also talks about the fight against lead in drinking water 

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Wastewater Treatment Fundamentals is a cutting-edge training resource designed to educate current and future generations of water-quality professionals.

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Take advantage of the valuable resources and tools WEF has to offer.

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WEF is a source of high-quality technical resource area featuring the latest research, news, and education. 

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This Week in Washington is an online news portal from the Water Environment Federation that provides updates on the latest legislative and regulatory developments that affect the water and wastewater communities.

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The mission of YP Connections is to connect Students and Young Professionals through sharing information and experiences related to involvement in WEF and Member Associations, professional development and leadership opportunities.

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VIDEO: Experience the latest technological developments, new ideas, expanded educational opportunities, fresh content, and the most expansive water quality exhibition in the world

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Activated Sludge and Nutrient Removal, MOP OM-9, 3rd Edition, helps operators and other wastewater treatment professionals understand the activated sludge process, solve performance problems, and improve operations.

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Educate your customers about the Do Not Flush logo and help them understand how anything else, including wipes, is bad news for the pipes and pumps that carry water from homes to local water resource recovery facilities.

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Innovative products and services available to the water sector.

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The WEF Buyer’s Guide makes it easy to find the solutions provider that’s right for you. Cut through the clutter of search engine results with this easy to navigate online guide.

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Upcoming Events

#KeepCalm and Communicate: Using Social Media During Crisis Communication

  • In this webinar, you'll hear examples of how utilities used social media platforms to communicate with and respond to customers and the general public during water main breaks, severe weather and other crisis scenarios.