Soil cement irrigation ponds/tanks

“For irrigation purposes, especially for fresh vegetable cash crop production in water deficit areas, water is collected in ponds from springs or small streams. The ponds are lined and sealed with sheet membranes (200 g/m2 fibre-reinforced plastic sheets, Silpaulin). The … Continue reading →

Earthbag Water Tank Instructable

Check out my new how-to article at on building earthbag water tanks. I pulled together content from previous blog posts, added a drawing and edited everything into one concise article. Let me know what you think. is a … Continue reading →

Concrete Water Tanks Versus Earthbag Water Tanks

I wrote in a previous blog post how I’m loving earthbag water tanks. My fascination with these water tanks jumped up a notch after reading an article about the difficulties of building a concrete water tank. From what I’ve recently … Continue reading →

Earthbag Water Tank, Mele Village, Vanuatu

We were pleasantly surprised to see this earthbag water tank just down the road from a house we (Liz’s group) were building. The church group saw our project and on their own figured out how to use the same earthbag … Continue reading →

Earthbag Water Tanks

We’ve nearly finished an earthbag water tank with narrow tubes that cost $200 in materials. Plastic tanks this size retail for around $1,350 in Vanuatu, so this design costs far less than the main competing product. It won’t blow away … Continue reading →