Rainwater Harvesting in Kerala| Rainy Filters
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Everything You Need to Know about Rainwater Harvesting in Kerala

Rainwater harvesting in Kerala involves collecting and storing rainwater that runs off from parks, open grounds, roads, and rooftops. The method helps store and recharge runoff water into groundwater for future use. The most important elements of a rainwater harvesting system include the following:

  • Catchment or the point where water is captured for recharge or storage

  • First flush is used for flushing out the first spell of rain

  • A conveyance mechanism is used to carry harvested water from the catchment to the recharge or storage zone.

  • Filters to remove contaminants and pollutants from collected rainwater

  • Storage tanks and other ready-to-use recharge structures to store or recharge filtered rainwater.

Process of Harvesting Rainwater

Rainwater harvesting in Kerala involves artificially designed systems running off man-made or natural catchment areas, such as compounds, rooftops, hill slopes, rock surfaces, and artificially repaired semi-pervious and impervious land surfaces to collect and store rainwater.

The amount of rainwater you can harvest will completely depend on several factors, like:

  • The runoff quantum

  • Environmental impact

  • Features of the catchments used in rainwater harvesting

  • Capacity of the storage tanks and recharge structures

  • Availability of advanced technology

  • Roof type, its materials, and slope

  • The ease and speed at which rainwater infiltrates through the subsoil to recharge groundwater.

  • The quality, quantity, and frequency of rainfall

Advantages of Rainwater Harvesting in Kerala

Several advantages of rainwater harvesting in Kerala include:

  • Rainwater harvesting is perfect for cities like Kerala, which experience water restrictions. It offers complete control over your water supply.

  • Harvested rainwater is free of pollutants and other contaminants due to the efficacy of the rainwater harvesting system, which also features highly advanced filters.

  • An environmentally responsible and socially acceptable procedure.

  • Rainwater harvesting helps conserve water and promotes self-sufficiency.

  • Harvested rainwater works wonders for gardens and landscape plants as it does not contain chlorine.

  • The process helps to resolve drainage issues on properties and also provides users with free water.

  • Rainwater harvesting also reduces stormwater runoff from businesses and homes.

  • It is an easy and inexpensive procedure that uses simple technologies.

  • You can retrofit rainwater harvesting systems to existing structures or easily built during new home construction.

  • You can use a rainwater harvesting system as the main water source or as a backup to municipal water and wells.

  • It can also be an excellent backup water source for emergencies.

  • Rainwater harvesting systems are modular and flexible, allowing relocation, reconfiguration, and expansion if required.

Uses of Harvested Rainwater

You can use harvested rainwater almost everywhere in place of tap water. Nevertheless, if you intend to use it for preparing food, drinking, or other forms of human consumption, ensure your rainwater harvesting system features proper filters to remove grit, pathogens, and other contaminants from collected rainwater and improve its flavor. You can even boil collected rainwater for a minimum of one minute to kill all disease-causing organisms. Using harvested rainwater for flushing toilets and watering lawns makes sense, especially in the present era, where water shortages have become common across several Indian cities, including Kerala.

The three main areas where you can use harvested rainwater are:

  • Potable use around the house

  • Non-potable use indoors

  • Irrigation

Specific uses of harvested rainwater include:

  • Refilling fish ponds and fountains

  • Washing vehicles

  • Hand-watering gardens and lawns

  • Connecting rainwater harvesting systems to sprinkler or irrigation systems

  • Refilling swimming pools

  • Washing pets

  • Using it in clothes washers and toilets

  • Replacing tap water usage with rainwater for washing sidewalks and driveways

  • Watering livestock

  • As emergency water for tasks like fire suppression

  • Dishwashing

Summary

Setting up a rainwater harvesting system is easy but requires a proper understanding of architecture and hydrology. If you find this too complicated to do yourself, contact Rainy to get a system in place. They will help you set up your system efficiently and quickly.

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Farmland Rainwater Harvesting System
No 648, Ground Floor,
11th cross, 7th Block, Jaya Nagar,
Bengaluru, Karnataka - 560070.

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+91 73380 33790

+91 99966 64458

080 26766252

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