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Rainwater Harvesting Systems: Designs, Quality, and Benefits

Water tanks in suburban regions are becoming increasingly popular among homeowners. But we can't blame everyone. With regular water shortages in the Metro, it's no surprise that many city dwellers are looking for other water sources. While many people believe that this is just a problem in large cities where many people struggle for a limited amount of water, it also occurs in mountainous sections of the country.





But, like with any problem, there is a fantastic solution, this time in the form of water recycling. Reusing water may sound revolting but bear with us as we explain how you can reuse water from the soil through rainwater gathering.


Rainwater harvesting is an effective way to obtain this valuable resource because rainfall is irregular and only a small part of the world's precipitation is readily used. In cities, a large portion of the rain that falls on structures, roofs, roads, and other hard landscaping is channeled into storm drains for disposal rather than penetrating into the soil. Numerous impermeable surfaces contribute to urban flooding and produce tainted, useless water that is diverted away from sources of potable water. Local groundwater can become depleted during dry months, and many communities struggle to continuously supply enough drinkable water to fulfill demand.


Rainwater harvesting for non-potable uses like gardening and laundry greatly lowers the demand for freshwater overall and eases the burden on stormwater infrastructure. In big cities, that reduction in the demand and availability of drinkable freshwater is significant. Although many communities support and even financially support the use of rain barrels and other rainwater collection devices, some regions, particularly those in the Southwest of the United States, see rainwater gathering as a matter of water rights and impose limits on its use.





What is Rainwater Harvesting?


Rainwater harvesting is the practice of collecting and storing run-off water from a building or other impermeable surface. In tropical regions such as the Philippines, this often entails collecting rainwater from a roof. Rain will collect in gutters and spouts and then flow to a storage vessel, which is common in the form of a barrel or a tank.


Whether you live in a city or in a hilly section of the country, this type of technology is a realistic alternative for avoiding the inconvenience of water shortages while also conserving water.



Benefits of Harvesting Rainwater


Here are a few advantages you can obtain from this technology, in addition to the clear water-saving benefit of rainwater harvesting.


  1. It provides a free source of water and is quite clean.

  2. Since you are not diminishing any natural resources, it is socially responsible.

  3. It can meet the water needs of your family and is self-sufficient.

  4. Due to the lack of chlorine treatment, it is excellent for both agricultural and decorative plants.

  5. Though straightforward and affordable, it offers a lot of convenience.

  6. In times of need, it offers a great water supply as a backup.



Why is Harvesting Rainwater Important?


There are several benefits to collecting rainwater and using it in the home, but the largest one is that we are draining our reservoirs of this precious resource. Our remaining water supplies cannot support the average household consumption of 120 liters. We've had quite a few shortages in recent years, which just means that we'll need to help the ecosystem resume producing our water naturally. This means that we must immediately begin seeking substitute suppliers. In this manner, we avoid the inconvenience of having to go without water during the dry season while also reducing our environmental impact.




Design of Rainwater Harvesting Systems


Simple no pressurized devices, such as rain barrels, in which pipes flow from gutters into tanks, are the most effective ways to collect rainwater. These constructions, referred to as "dry systems," do not retain any water in the pipes after it stops raining and do not produce insect breeding grounds. When the pipes cannot be set up to go directly into the tanks, "wet systems" are required. Pipes from the gutter travel underground and then up through a riser into the tank in locations where the tanks are set back from the collection surfaces or when there are multiple tanks to serve several buildings. Such systems are frequently pressured to prevent stagnant water buildup in the lengthy pipelines.


Insect-proof pipes and all other holes are guaranteed in well-designed rainwater harvesting systems, especially in wet systems. All tank inlets should have wire mesh screen coverings to assist keep debris out of the tank. Tanks should be made of nontoxic and noncorrosive materials and collection surfaces, including roofs, should be made of harmless materials. Lead-based paints and membranes should be avoided. To avoid drawing out any sludge that may have accumulated in the water supply, care must be taken to ensure that the tank outlet taps or draw-off pipes are at least 15 cm. above the tank floor. Although some systems incorporate a washout pipe and sump pump to remove sludge, it is advised for all systems to perform routine cleaning of the inside surfaces of the tank.


Rainwater harvesting does not have to be a complicated process. As previously stated, it may be as simple as storing rainwater in barrels, or 'drums' as we call them locally. However, if you want to collect rainwater to serve your complete household, you can always talk with us.




Rainwater harvesting systems can be implemented in new and existing buildings with vast roof spaces and high daily water use. Rainwater harvesting systems exploit otherwise underutilized roof space to offer a natural, non-potable water source.



Quality of Rainfall Harvesting Systems


Rainfall combines with both soluble and insoluble components from the surfaces it rains on, and as it descends through the atmosphere, it picks up dust and pollutants. Plants, fungi, and other organic items may be contaminants, as well as inorganic elements like dissolved minerals, metals, chemicals, or paints that are water-soluble. Rainwater collected from filthy surface runoffs is not acceptable for drinking or cooking, even though it doesn't require a high level of cleanliness for garden or agricultural purposes. The water quality in the rainwater storage tank can be improved by separating the first flush of rainfall from the roof, gutters, and other collection surfaces.



Commercial Systems for Harvesting Rainwater


Commercial buildings with big roof areas and high daily water usage yield the best results from rainwater harvesting systems. Schools, universities, hospitals, apartments, recreation centers, distribution centers, and many other business projects are perfect places for commercial rainwater harvesting systems.



Rainwater Harvesting Systems in Communities


Community Rainwater harvesting systems are intended to improve water efficiency and reduce flood danger in home projects. The use of a single, centralized Community Rainwater Harvesting System decreases maintenance requirements while increasing system efficiency.



Rainwater Harvesting Systems that have been Retrofitted


It may be easier than you think to retrofit a Rainwater Harvesting System into an existing building.






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