Water Environment Federation on the Web. Founded in 1928, WEF is a not-for-profit technical and educational organization. Our members are from varied disciplines and they collaborate with staff to realize the WEF vision of preservation and enhancement of the global water environment. The WEF network includes water quality professionals from 79 Member Associations in over 32 countries. If this is your first time to our website (or if you just want to get reacquainted), browse this section to learn more about our organization: who we represent, what our members do, how we support global water quality improvement.