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

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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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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Dec. 10, 2018 — WEF Director of Creative Projects Lori Harrison blogs about the new WEF Marketplace,  one-stop shop for Water’s Worth It merchandise and other WEF products.

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🎧 Dec. 10, 2018 — Jenelle Armstrong, utility division manager of The Thrasher Group, talks about how her time at the U.S. Naval Academy shaped her views on leadership and prepared her to be a woman in the male-dominated water industry. She also explains why military veterans make outstanding employees and are a great fit for the water sector.

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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

NGICP Online Management System Webcast

  • This webcast will provide a step-by-step tutorial for using the NGICP Online Management System.