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

March 22, 2019 — WEF's Director of Creative Projects Lori Harrison and Art Director Jon Harrison blog about the release of WEF’s first-ever children’s storybook, Why Water’s Worth It.

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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, AWWA and the Symposium Planning Committee are soliciting for session and workshop proposals for the Transformative Issues Symposium on Workforce 2019. This annual event will feature presentations and interactions with workforce thought leaders from across the water and wastewater sector.

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Big data can address complex issues such as storm water management, flooding, aging infrastructure, distribution system water quality, CSOs, SSOs, and more. The Intelligent Water Systems (IWS) Challenge is seeking to demonstrate the value of intelligent water systems to utilities and foster the adoption of smart water technologies.

The Challenge will recognize the best solutions developed by Challenge participants, offering a top prize of $10,000.

Team Registration closes March 25.

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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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🎧 March 8, 2019 — To mark International Women’s Day 2019, here are 15 podcast episodes from the past year that feature influential and inspiring women in water.

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Join us in Indianapolis, Indiana, to celebrate 25 years of wet weather control, featuring a robust program highlighting continued advances in the wastewater collection systems sector.

Registration is now open; Super Saver deadline: April 12! 

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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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Operators: Have you come up with a clever idea related to treatment, maintenance or safety?

The Operator Ingenuity Contest has discovered more than 40 award-winning fixes in the past 7 years. Your idea or invention could be among the winners this year!

Enter by June 7

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

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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.

Apply Here

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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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.