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 2019 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

Super Saver Registration Deadline: March 15. Featuring the latest developments in all aspects of biosolids treatment and management from research and technology advancements through regulations, land application and product marketing. 

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Take part in the inaugural WEF Stormwater and Green Infrastructure Symposium. Join leading Stormwater and GI professionals for three days of interactive sessions, workshops, networking, and one-on-one interaction with thought-leaders.

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Jan. 15, 2019 — Tom Kunetz, WEF 2018-2019 president, blogs about why Water's Worth It® and more.

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🎧 Jan. 15, 2019 — In this episode Angeliki Rigos, the executive director of the Tata Center for Technology and Design at MIT, explains the Tata Center’s focus on advancing disruptive technologies and the example of a start-up that collects water from the cooling towers of power plants and more. 

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Get recognized for your professional achievements and contributions to the water sector, or nominate a worthy colleague. The submission deadline is Feb. 1, 2019.

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Ready to advance your career in green infrastructure? The National Green Infrastructure Certification Program will prepare you for a successful career in the field. Find training events in your area.

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Master the central concepts, terminology, and processes of wastewater collection systems with the Wastewater Collection System Operator Certification Studybook, second edition.

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The Water Leadership Institute program is aimed at educating, training, and providing opportunities that enable developing and emerging leaders to build strong lasting relationships within the water industry.

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This dynamic online search tool connects you with leading water sector products, services, and solutions providers.

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Thirty-two water utilities are being recognized for transformational work in community engagement, watershed stewardship, and recovery of resources such as water, energy, and nutrients.

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Find a Job. Fill a Position. WEF's Career Center makes it easy. To get started, visit the WEF Career Center today!

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

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Innovative products and services available to the water sector.

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Featured Event

Midyear Meeting

  • The Midyear Meeting primarily provides an opportunity for key volunteer committees to meet face-to-face and develop programming for WEFTEC, WEF's annual Technical Exhibition and Conference (September 21-25, 2019 in Chicago, IL). Additionally, WEF’s Board of Trustees, Committee Leadership Council, and several committees meet to discuss strategic direction and progress with programs & special projects. There is no cost to register. Participation in some meetings/events is by invitation only.