The Australian architect, Sally Dominguez, has created the Rainwater HOG, a unique solution to the problem of rainwater run-off and greywater storage in areas where space is limited. The Rainwater HOG’s relatively small size enables it to fit into many spaces previously not available to water tanks. And its modular design enables it to be extended and capacity increased bit by bit, and in multiple locations around your house and property.
The Rainwater HOG’s narrow profile makes it a great water storage solution along side walls, down narrow passages and underneath decks and house structures. Being able to sit flat, on its side or stand upright on its end, the Rainwater HOG is sized to fit between the timber joists of her deck. The tank can support its full weight on any of its surfaces without bulging. Each Rainwater HOG stores about 47 gallons of water.
The tank is roto-moulded food grade plastic, which complies with FDA and HPB regulatory standards for food contact, but should never be used for drinking water. This is because the water from your roof is contaminated with animal and vegetable matter which needs to be filtered from the stored water before it is fit for consumption. The tank material itself is recyclable and carries a 1 year guarantee. In another bit of green design, the unit ships unpackaged. A good green building concept though not cheap.
distributed in the USA, Australia and Canada: dealer locator
$450 ea. @ design within reach
via: cool hunting
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I found these for a lot less $$ here: http://www.aquabarrel.com