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Water Tanks: Water Security and Rainwater Harvesting

by liyo89

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Water security grows as an issue of great importance, with every new baby born into our resource constrained planet. Water security refers to the capacity of a population to secure and deliver water as required. Climate change, draught and population growth all contribute towards making water scarce. For businesses that rely on water, economic consequences arise as water becomes scarce and supplies become disrupted.


Large water tanks capture rainwater and ensure that water supplies are maintained.  Steel water tanks are durable, strong and easy to assemble. Water can be captured from large roofs, roads, fields, and car-parks, fed into these tanks and stored until required. Water is an asset, the cost of which can easily be identified. How much money does your organization or community spend on buying water? Effective collection of residual water can go along way to reducing your dependence on external water supplies and deliver water security.


Rainwater tanks can be constructed using materials such as galvanized steel, polyethylene plastic or concrete. These tanks are generally opaque and thus prevent algae contamination. The benefits of using steel water tanks are its strength, durability, fire and corrosion resistance and water storage quality. Choosing the appropriate water tank liner is important if you wish to maintain the quality of stored water. EPDM provides a durable, flexible option with good cut through. Along with the right liner, choosing the correct cover is vital if you are to protect your water asset. Different types of covers provide a range of options meaning for every use of water, there is a solution. Perhaps you need to protect your water supply against airborne debris. If so, steel tank covers provide the ultimate in protection, keeping your water cool in high temperatures while ensuring the tank doesn’t become contaminated.


Choosing the right water tank means carefully sizing the tank to meet your specific water use requirements. If water is vital to your community or business, then a three day supply is recommended. Three days supply allows you to repair and maintain pipes, collection points and valves without danger of interrupting the water supply. The next question, is the shape of the water tank. Taller tanks mean stronger sides are required while wider tanks require a larger foundation, meaning the engineering required might effect the overall budget. Before you assess your water requirements, speak to the manufacturer of the water tanks. With experience and technical knowledge, they will provide invaluable advice.

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