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

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What's Happening

July 10, 2018 - WEF Disinfection and Reuse Symposium co-chairmen Val S. Frenkel and Bob English blog about water reuse and public health.

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July 2, 2018 — In episode no. 41 Britt Sheinbaum, a water conflict specialist and head of the East Coast Technology Approval Group for Isle Utilities, discusses her view that water conflict is an opportunity for cooperation, the role of water scarcity in tensions in places like Syria, and the remarkable cooperation found along transboundary waters.

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WEF is preparing baseline data to establish the current amount of resource recovery at water resource recovery facilities (WRRFs) in the U.S. and Canada. Please Participate in WEF’s Resource Recovery Data Collection Survey! WEF is still accepting responses!

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Holly Tetzlaff will be representing Canada in Stockholm for the 2018 Stockholm Junior Water Prize.

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Braden Milford has won the 2018 U.S. Stockholm Junior Water Prize (SJWP), the nation’s most prestigious youth competition for water-related research.

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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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Committee Leadership Council (CLC) is seeking nominations for three Communities of Practice director positions. If you have leadership expertise, strategic thinking and planning skills, passion for advancing WEF's vision, and an understanding of WEF committees, submit your application by July 31, 2018.  

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Join environmental professionals from around the world for a showcase on reuse and disinfection. This exciting symposium will examine current reuse and disinfection issues, regulatory requirements, and methods for analyzing problems and finding innovative solutions.

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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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WEF respects the privacy of its members and visitors to our websites. As part of our commitment to protecting that privacy, we have updated our privacy statement.

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The Spring 2018 open-access article examines Noosa Yoghurt’s state-of-the-art membrane bioreactor (MBR) biological wastewater treatment system and its impact on production.

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Design of Water Resource Recovery Facilities, MOP 8, Sixth Edition is the authoritative guide to effectively designing or upgrading a recovery facility.

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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

Disinfection and Reuse Symposium 2018

  • This symposium will bring together environmental professionals from around the world for a showcase on reuse and disinfection. This exciting symposium is designed to educate practitioners, facility owners, operators, researchers, and public administrators.