We often take our water needs for granted. However, I feel it is much easier to live without electricity than without a constant water supply. Just think about it! You need water for a lot of your basic needs that you take for granted like bathing, washing, cooking, drinking, cleaning or sometimes even keeping yourself cool or hot.
Rain water harvesting is something people have become more aware about, over the years as consciousness about the environment has grown. How can it help? It can help to save money while preserving natural resources; both of which are provided through the humble rainwater tank. You may have other reasons for why you want to conserve rainwater for example for drinking purposes or irrigation purposes etc.
Demand for rainwater tanks has increased substantially over the past few years and the fact is that most places in the world do not get adequate rain and, therefore, need to conserve water. There are even places where rainwater harvesting, through the use of water tanks, has been made mandatory. Moreover, even though the initial outlay for the tank may seem large but that can easily be reclaimed over a period of time with the reduced water bills that you get after the installation.
Lack of groundwater and rain water does necessitate the use of rain water tanks. Personally, I feel that making full use of the resources you have available is a good strategy. There are many countries that exemplify this use of sprinklers and drip system for irrigation purposes. A rain water tank is also a step forward in that direction.
Not only will it allow you to cut your water needs by up to 40% it will make you less dependent on the main water supply. In many places in the world that alone can prove to be a blessing.
What goes into the making of such a tank? The rain water tank needs to be made of substances that are durable and which are not prone to rusting. The substances that frequently used are steel, wood, plastic et al. but even concrete can be used.
The tank needs to be such that it avoids direct sunlight. Moreover, it should not be transparent or you may have a lot of algae growing in it. It should also be covered so that it does not get contaminated. You can use it for almost all purposes mentioned above but it would be advisable to have it treated before drinking.
So do your homework and go in for the tank that suits your home best. It is important also to maintain it properly through regular cleaning of the pipes and accessories.