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

Feb. 22, 2019 — Director of Charlotte Water Angela Lee asks you to join the call for water infrastructure funding.

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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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The new edition provides detailed, straightforward coverage of the assessment, management, and repair of pipeline infrastructure using trenchless technologies.

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🎧 Feb. 20, 2019 — Tom Ferguson, vice president of programming at Imagine H2O,  discusses why the focus of the 2019 Innovation Summit is on “The Next Generation.” 

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The Stormwater Currency is a collaboration of experts from American Rivers, Corona Environmental Consulting and WEF. Our team is dedicated to helping local leaders advance green infrastructure solutions through market-based incentives and other approaches that leverage the multiple benefits green infrastructure provides.

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

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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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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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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.