Rain Water Harvesting

Rainwater harvesting is the accumulation and deposition of rainwater for reuse before it reaches the aquifer. Uses include water for garden, water for livestock, water for irrigation, etc. In many places the water collected is just redirected to a deep pit with percolation. The harvested water can be used for drinking water as well if the storage is a tank that can be accessed and cleaned when needed. advantages • Makes use of a natural resource and reduces flooding, storm water runoff, erosion, and contamination of surface water with pesticides, sediment, metals, and fertilizers.
• Excellent source of water for landscape irrigation, with no chemicals such as fluoride and chlorine, and no dissolved salts and minerals from the soil.
• Home systems can be relatively simple to install and operate May reduce your water bill.
• No filtration system required for landscape irrigation.
• Promotes both water and energy conservation.
Tamil nadu in the state of Tamil Nadu, rainwater harvesting was made compulsory for every building to avoid ground water depletion. It proved excellent results within five years, and every other state took it as role model. Since its implementation, Chennai saw a 50 percent rise in water level in five years and the water quality significantly improved.[14][15 points under the rain water harvesting the main important points which are as follows;

full use of the rain water increase the yielding or productivity of the crops through the rain water effective storage of the rain water proper utilization of rain water after storage effective way to store the rain water rain water is the effective way to increase the level of water under the earth

all above are the main points which can be covered under the rain water