Benefits and Setbacks of Using Rainwater Tanks

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Rainwater tanks have become widely used in countries where water is scarce and are stored for emergency uses such as droughts or for water supply backups. However helpful and beneficial using rainwater as a means to an end, a few setbacks are always quick to follow. The benefits and setbacks of using rainwater tanks are listed below.

BENEFITS:

  • Eco-friendly. Since rainwater is Mother Earth’s gift to mankind, it doesn’t have harmful chemicals mixed with it – including chlorine.
  • Less Corrosion. Rainwater contains less salinity compared to the water from underground which helps in reducing corrosion which is mostly found in house appliances and fixtures. Less corrosion equals to the longevity of the appliances and the fixtures lifespans.
  • Less Expenditure. These tanks are cost-savers since rainwater pours down from heaven like manna for free. Once the tank is installed, you’ll spend a lesser amount of money since you won’t have to pay for high water bills.
  • Reduce Water Consumption. The most prominent benefit of using rainwater for non-drinking activities is there’ll be less consumption of water from the mains water supply.
  • Suitable for Irrigation. If you are living in a rural area where water from the mains is scarce and you have a whole yard of vegetables that needed watering, rainwater tanks come in handy for such circumstances. The tank can just be connected to a hose for watering your gardens and vegetable patch. Rainwater is perfectly safe for them as it contains no harmful chemicals.
  • Reduce Floods and Soil Erosion. Since the tank catches the rainwater and stores it there, it is indeed very useful during rainy seasons. It is highly advised to people that are living in the flood-prone low-lying areas.

SETBACKS:

  • Unpredictable Rainfall. The weather is unpredictable. You won’t know for certain when it’s going to rain and when it’s going to be sunny. This is certainly the biggest setback of using rainwater as your main supply of water. So to prevent yourself from running out of water supply, use the rainwater tank as a backup only since rainfalls are uncertain in most days.
  • Limited Storage Capacity. Tanks are only capable of storing rainwater that can fit into them. Even if you installed the largest tank there is, it can’t possibly hold all that rainwater from a heavy downpour. This means that all those rainwater that are not in the tanks end up in the drains and rivers.
  • Initial High Costs. Getting all the necessary equipment together costs a fortune. The tank probably costs hundreds of dollars and there are also other things that come with it that cost a dime or so, too. However, the pain is only at the beginning and later on, you’ll get back what you have lost a couple times over.
  • Regular Maintenance. As what you have read from above, rainwater doesn’t contain any harmful chemicals. But this doesn’t mean that there’ll be no pests and rodents lurking in the corners ready to jump in the tank for a good swim. So, it is best to perform regular inspection and cleaning on the tanks.
  • Contamination-Risk. The rainwater is not always safe to use as neglect in maintenance can lead to contamination of the stored water. The water may be inhabited with animal faeces, pests, mosquitoes, fallen leaves and chemicals seepage from roof coverings.
  • Occupies Large Space. Tanks are usually extensive. So it is a bit disadvantageous for residential houses which have very little space to have a rainwater tank.