If you’re in water, you belong here

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Connect, Grow, and Lead

Join a global federation of 31,000 engineers, operators, and professionals dedicated to clean water. Tap into a supportive network, access top-tier training, and help us shape a resilient water future today.

Tap Into Your Full Potential

Experience the power of WEF’s network. Through a unified community, workforce development programs, and circular water economy strategies, WEF membership offers the solutions you need to the challenges you face.

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Unified Community

Participants at WEFTEC

Workforce Development

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Circular Water Strategies

Uniting the Water Community Since 1928

Our global federation gathers the brightest minds to build a resilient water future.

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We connect engineers, operators, and utility managers across 77 local member associations.

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We host regional and global events, including,WEFTEC, the largest annual water quality exhibition.

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We’ve been a trusted technical voice in the sector since 1928.

Three Steps to Greater Impact

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Expand Your Impact

Move beyond reacting to crises. Start leading today.


Address Emerging Issues

Explore the Water-AI Nexus.
Become a WEF Water Advocate.

Join a Technical Community.


Join an Empowered Community

Build strong professional ties.
Collaborate with a global network.

Train and retain top talent.


Expand Your Knowledge

Explore our publications.
Attend an event.

Join the conversation in WEF Unity.


WEF News

WEF News provides articles, videos, and other content from throughout the organization and across the water sector.

August 31, 2026
Since May 1st and through August 18th, the Food and Drug Administration (FDA) has confirmed over 15,000 cases of cyclosporiasis in the United…
August 22, 2026
The Water Environment Federation (WEF) is proud to announce the 2026 Class of WEF Fellows, recognizing an outstanding group of…
August 20, 2026
Choosing the right reinforcement additive can make or break coating performance in water infrastructure. This article compares glass flake and…

The WEF Community Is Shaping the Future of Water

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