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.

Learn more

Learn About Water Quality

Find out about technical resources, how to get involved and see conferences and events sorted by topic.

Learn More

Become a WEF Member

Join your colleagues and gain access to unparalleled information, resources, and networking opportunities.

Join Today

What's Happening

The Committee Leadership Council (CLC) and House of Delegates (HOD) created this Volunteer Service Recognition to recognize those members who significantly contribute to the successes and achievements of WEF through service in a WEF Committee or the HOD. Deadline is June 30th.

Learn more!

WEF is preparing baseline data to establish the current amount of resource recovery at water resource recovery facilities (WRRFs) in the U.S. and Canada. Please Participate in WEF’s Resource Recovery Data Collection Survey! Deadline to Submit is June 29th

Complete Survey!

June 14, 2018 - Carol Kinzer, P.E., blogs about her experience at the Water Week National Policy Fly-In. 

Read the WaterBlog

Committee Leadership Council (CLC) is seeking nominations for three Communities of Practice director positions. If you have leadership expertise, strategic thinking and planning skills, passion for advancing WEF's vision, and an understanding of WEF committees, submit your application by July 31, 2018.  

Apply NOW!

Join environmental professionals from around the world for a showcase on reuse and disinfection. This exciting symposium will examine current reuse and disinfection issues, regulatory requirements, and methods for analyzing problems and finding innovative solutions.

Register Today

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.

Order Today!

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.

Order Today

The 58 high school students from 47 states and Puerto Rico who were selected as 2018 state winners of the U.S. Stockholm Junior Water Prize will compete in the national finals June 16 at the University of North Carolina-Charlotte. The winner of the nation’s most prestigious youth award for a water-related science project receives a an all-expenses-paid trip to Stockholm to represent the United States at the international competition in August.

See Who's Competing from Your State!

Find Out More

June 11, 2018 -  In episode no. 37 Ned Beecher, executive director of the North East Biosolids & Residuals Association, discusses the many benefits of biosolids, including diverting waste from landfills, improving agricultural production, restoring land damaged by mining and fires, and remediating Superfund sites. 

Listen Now

WEFTEC 2018 registeration is open! Register by the Best Rate Deadline, July 12th, to save.


WEF respects the privacy of its members and visitors to our websites. As part of our commitment to protecting that privacy, we have updated our privacy statement.

Read WEF's Privacy Policy

The Spring 2018 open-access article examines Noosa Yoghurt’s state-of-the-art membrane bioreactor (MBR) biological wastewater treatment system and its impact on production.

Read It Now

Design of Water Resource Recovery Facilities, MOP 8, Sixth Edition is the authoritative guide to effectively designing or upgrading a recovery facility.

Order Today

Innovative products and services available to the water sector.

Learn More

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.

Visit Today!

Upcoming Events

Nutrient Removal and Recovery Conference 2018

  • The conference is held by the Water Environment Federation in cooperation with The North Carolina Section of the American Water Works Association (NC AWWA) & The North Carolina Member Association of the Water Environment Federation (NC WEA), and The Water Research Foundation.