The main purpose of rainwater harvesting is to lessen the dependency on groundwater. The groundwater level is decreasing day by day. So reducing the dependency on groundwater for household work is a need of the hour.
There are many other reasons for harvesting rainwater. Rainwater can be used in many ways. Every day, many people all over the world use wastewater. People do not even know how they waste water daily. People use drinking water to flush the toilet, which is a ridiculous idea. Not only for flushing but also for bathing, washing clothes, washing utensils, etc. People use well-refined drinking water. While in many places in the world, people suffer from the lack of water, also people tend to waste drinking water without realizing the need for water saving. These works can be done easily using rainwater if rainwater is collected and harvested.
To lessen the global environmental footprint and turn your home green, rainwater collection is a brilliant technique. Rainwater can be used in watering the garden and lawn. The watering system can be connected to the rainwater collecting vessel. It will help the sprinkler or irrigation system.
Rainwater can be used in washing cars and cleaning the house's exteriors. Washing pets can be done with rainwater. There are many other uses of rainwater as well, such as refilling the fish pond and fountains, refilling the swimming pool, washing the sidewalks and driveway, using it for washing clothes and toilet flush, etc.
Rainwater is the purest form of water, it is clean, and most importantly, it is completely free.
Dependency on the water supply system of the municipality lessens.
It is a very responsible step to save water and stop wasting water. It is environmentally beneficial.
Harvesting rainwater helps us to conserve water for the future.
Using rainwater for gardening is a brilliant choice. Rainwater is better for trees compared to the water supplied by the municipality. The water supplied by the municipality contains chlorine in it. Chlorine is not good for the health of plants. So using rainwater for watering the garden is a brilliant choice.
The drainage problem can be solved by harvesting rainwater.
The technology to harvest rainwater is simple and easy to maintain.
It can be used as a free backup source for water.
The whole system of harvesting rainwater can be built while constructing the new home as well as in an old home.
Concrete - Concrete tanks used for rainwater harvesting are heavy and mostly installed underground.
Metal - Metal tanks have always been a good alternative to concrete tanks as they are lighter, cheaper and easier to install.
Plastic - Plastic or polyethylene tanks used for rainwater harvesting are definitely the most common.
Bladder - Bladder tanks used for rain harvesting are often used if you only have a small place for a tank.
Fiberglass - Fiberglass tanks are stronger than metal and concrete. However, they tend to be a lot more expensive because of the manufacturing process.