Surface level tanks

Ground level tanks are exposed to the elements and will require regular maintenance to the exterior shell, but are beneficial for a smaller demand of water for a household and irrigation.

Classical ferrocement tank	Small household ferrocement tanks (jars)	Plastic-lined tank	Brick cement tank	Concrete-lined earthen reservoir
Commercial surface level tanks	Collapsible fabric (Onion, Bladder, Pillow)	Oxfam emergency tanks	MSF mesh reservoir