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 →

CoRe Solutions Ferro-cement rain tank construction in Indonesia

“Indonesia has some of the most contaminated rivers and groundwater sources in the world. Yet much of the country receives more than 200cm of annual rainfall that goes virtually unused. CoRe Solutions has perfected a locally appropriate method for constructing … 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 →

Ferrocement Ground Tank

What’s the best, most efficient way to build water tanks? That question has been burning in my mind since seeing the extent of water shortages firsthand on my recent trip to Vanuatu. While looking and thinking about possible solutions, I’ve … Continue reading →