“Peter Bane, permaculture designer, teacher, consultant, editor & publisher of the Permaculture Activist Magazine as well as author of “The Permaculture Handbook” explains some of the water harvesting system at his urban homestead “Renaissance Farm” in Bloomington, IN.”
ferrocement cistern
Below Ground Ferrocement Rainwater Tank
The lowest cost soil for earth building comes from the building site itself. Dig the soil onsite and you could build a ferrocement tank below ground in the pit.