Share your experiences with the biosand filter

The biosand filter is turning 30 in 2023. The HWTS Network is planning a celebration with CAWST, and we’d like you to be part of it!

Please reply to this post and share with us your stories from the field. They can be documents, photos, videos, links to your site, etc. Let us know what models, molds and materials you're using. Please share how they've impacted the communities you've worked with!

Whatever you share may be used in support and promotional materials for CAWST and the HWTS Network.

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