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

Oct. 9, 2018 — Listen to 2018-2019 WEF President Tom Kunetz of the Metropolitan Water District of Greater Chicago discuss his focus on increasing the diversity of the water workforce and expanding resource recovery by utilities. He also talks about his work in Chicago and his long-time involvement in comedy.

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Founded in 1943, the Pacific Northwest Clean Water Association supports 1,500-plus members in Idaho, Oregon and Washington state. Known for their stellar conferences and strong member engagement, PNCWA continues to thrive. They are the 2018 Outstanding Member Association Award winner. 

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Now accepting submissions for Abstracts, Workshops, and Session Proposals. Submission Deadline: Nov. 12, 2018.

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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.

Listen: Author Podcast

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Now accepting submissions for Abstracts, Workshops, and Session Proposals. Submission Deadline: Nov. 7, 2018

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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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This Week in Washington is an online news portal from the Water Environment Federation that provides updates on the latest legislative and regulatory developments that affect the water and wastewater communities.

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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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Featured Event

Resource Recovery from Biosolids - Phosphorus and Energy