Formed in 1928, the Water Environment Federation (WEF) is a not-for-profit technical and educational organization with 35,000 individual members and 81 affiliated Member Associations representing an additional 50,000 water quality professionals throughout the world. WEF and its member associations proudly work to achieve our mission of preserving and enhancing the global water environment.

Every year, WEF brings you WEFTEC - The Water Quality Event.

Click below for information about WEF: who we represent, what our members do, how we support global water quality.

About WEF: Learn about WEF, its leadership, vision, and mission.

About Water Quality: Find out what the water quality field is about and how professionals in this line of work contribute to the improvement of our global water environment. Access specific information about our flagship issues--wastewater, industrial wastewater, biosolids, and watershed.

Membership: Learn how you will benefit from WEF Membership and how, as a WEF member, you can help improve the global water environment.  Already a member?  Visit the Marketplace to Access Member tools and resources, update your personal information, and review our Association Services.

Member Associations: Access Member Association resources and services, find out What's New with MA's, locate an MA, and find out MA meeting information.

Committees: View a list of WEF committees and their upcoming meetings and activities. Contact a chairperson about joining.