(Standard Disclaimer: Use the information given below AT YOUR OWN RISK. The author accepts no responsibility for any negative outcomes of the application of the following information.)
We are all familiar with the axiom that we can live thirty days without food, but only three without water. We are indeed fortunate that, in most locations the Good Lord rains it down on us once or twice a week — all we have to do is catch it in something. Much has been written and many ideas forwarded about rain water collection. However, most of these fall short after the water has been collected, when we need to move it to where we use it, especially in a grid-down or off-grid situation where there is no electrical power.
The typical rain catchment system is a barrel or cistern which stores the water at or below ground level. Water is heavy, and requires a great deal of energy to lift and transport it to a higher level to a sink, toilet, or shower where it can be used. Since rainwater originates many hundreds of feet above the earth, it behooves us to take advantage of the ‘head’ or natural pressure that it is delivered in and not perform our collection efforts on the ground where the ‘head’ is zero.Continue reading“A Gravity-Fed Rainwater System, by Tractorguy”