User:Ameerwaseemah

Traditional water harvesting system: In largely level terrain, the water harvesting structures are mainly crescent shaped earthen embankments or low, straight concrete-and-rubble "check dams" built across the seasonally flooded gullies. Monsoon rains fill ponds behind the structures. Only the largest structures hold year round; most dry up 6 months or less after the monsoons. Their main purpose, however, is not to hold surface water but to recharge the ground water beneath. The advantages of water stored in the grounds are many. It provides moisture for vegetation over a wide area, it does not evaporate. In addition, it does not provide breeding grounds for mosquitoes like stagnant water collected in ponds or artificial lakes. The groundwater is also relatively protected from contamination by humans and animals wastes.