All training events 
Biosand Filter Construction
- Date:
- 2026-11-10 - 2026-11-13
- Language:
- English
- Location:
- Chiang Mai, Thailand
- Host Organization:
- CAWST & Raintree Foundation
- Event Cost:
- $150 USD / 5000 THB
- Prerequisites:
- No prerequisites are required, however a working knowledge of English and/or Thai will be beneficial. Participants must also be prepared for manual work as the workshop involves physical construction of the filters.
Attention needed
Registration for this workshop has closed. If you are interested in participating, please contact Karen (kjoe@cawst.org)
Join CAWST and Raintree Foundation for a 4-day, hands-on construction workshop in Chiang Mai, Thailand. Learn how to build and install biosand filters, understand how they work, and explore where they are most effective.
This workshop includes an optional field visit on day 4.
This workshop is in-person, in Chiang Mai, Thailand. Participants are responsible for their own travel, accommodation, meals, and incidental costs.
If the registration fee is a barrier to your participation, please contact Karen (kjoe@cawst.org)