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 2018 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

A message from WEF's Executive Director to members affected by Hurricane Florence.

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Sep. 11, 2018: WEFTEC, the Water Environment Federation’s Technical Exhibition and Conference, is the largest annual water quality event in the world. This year it will be held Sept. 29 to Oct. 3 in New Orleans. In podcast no. 51, WEF staff provide a preview of WEFTEC, including highlights of the conference program, the new additions to the exhibit floor, what to expect at the opening session, and how to use the app to navigate the event

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Find a Job. Fill a Position. WEF's Career Center makes it easy. Register and join us for our Virtual Career Fair on Friday, September 20, 2018 from 11:00am to 3:00pm (Eastern). The Fair will connect job seekers and employers - in real time - from the comfort of your home or office. 

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Sept. 13, 2018 - Water for People CEO Eleanor Allen shares three lessons for a successful water quality career, and explains why becoming a WEF member was one of the best choices of her career.

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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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Take advantage of the valuable resources and tools WEF has to offer.

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VIDEO: Experience the latest technological developments, new ideas, expanded educational opportunities, fresh content, and the most expansive water quality exhibition in the world

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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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Activated Sludge and Nutrient Removal, MOP OM-9, 3rd Edition, helps operators and other wastewater treatment professionals understand the activated sludge process, solve performance problems, and improve operations.

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Educate your customers about the Do Not Flush logo and help them understand how anything else, including wipes, is bad news for the pipes and pumps that carry water from homes to local water resource recovery facilities.

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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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Upcoming Events

WEFTEC 2018 Opening General Session: Be a Hero. Water's Worth It

  • The Opening General Session will kick off WEFTEC 2018 with an inspirational presentation from keynote speaker Kevin Brown, a highly sought after motivational speaker and author of The Hero Effect. Brown will share his ideas, strategies, and principles that will inspire water professionals to recognize and embrace their identity as everyday heroes who show up and give their best when it matters most.