You are receiving this survey because you have worked with the Biosand Filter. The goal of this survey is to evaluate the reach and impact the Biosand Filter has had on the WASH sector and individuals lives all over the world in the past 30 years.
The survey consists of questions about your experience with BioSand Filter training, implementation, distribution, and impact, including how you have applied new knowledge, skills, and innovations. All results will be anonymized, and your answers won't be attributed to you in our reports.
The survey should only take between 5 and 10 minutes to complete.