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Passionate About Clean Water & Sanitation?

Students fill a sieve with sands and small rocks to separate the particulates for the filter concrete mixture.
A student and our CAWST instructor show the class how it's done.
AVFCW Workshop 2017 Success
Biosand Filter Workshop Winning Team

Interested in volunteering your time to help us further our goal of safe, clean water for the whole world? Please fill out the short form below and we will get in touch with you regarding ways you may be able to join the AVFCW team.