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

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What's Happening

Feb. 7, 2019 — Jennifer Ivey, WEF chair of the 2019 Utility Management Conference,  blogs about the popular conference, a joint partnership between WEF and AWWA.

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Are you a graduate student pursuing a degree in the water environment field? Learn how you can apply for this $25,000 scholarship to help cover education related expenses.

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🎧 Feb. 12, 2019 — Adam Davis, senior counsel at DHM Research, discusses results of a national opinion survey conducted with Blue Drop that found one-third of people do not know the source of their drinking water and two-thirds do not know the destination of their wastewater after it is cleaned.

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The Executive Director of the Water Environment Federation works collaboratively with WEF's Board of Trustees and volunteer leadership, including the House of Delegates, the Committee Leadership Council, and Member Association leaders to develop and lead a strategic vision for the future of WEF and a plan to execute on the strategic vision. A position and candidate specification announcement for the executive director search is now available.

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Are you a WEF Young Professional? Do you want to attend Water Week 2019 in Washington? Learn how you can apply for a $400 scholarship to help cover the cost of attending the National Water Policy Fly-In.

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The National Water Policy Fly-In is an opportunity for you to engage directly with Members of Congress, the EPA, and other federal agencies on the most important federal legislative and regulatory matters. 

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WEF members share their experiences and insights on working for water and the value of WEF membership.

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

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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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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

Stormwater and Green Infrastructure Symposium 2019

  • This symposium is held by the Water Environment Federation (WEF) in affiliation with the WEF Stormwater Institute and the National Green Infrastructure Certification Program, and in cooperation with the Florida Water Environment Association and the Water Research Foundation.