Not a Single Drop WastedTraditional Water Harvesting Technology
Eri : Approximately one-third of the irrigated area of Tamil Nadu is watered by eris (tanks). Villagers used to be highly particular about the maintenance of the eris . The system would divert the river water into tanks through dug out earthen channels, which in turn took care of the irrigation needs of the villages. Ooranis are the smaller tanks for potable water. Tubewells and borewells are now posing danger to these traditional systems.
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Zabo means 'impounding water'. This method is practiced in Nagaland. During monsoon, rainwater that falls on the hilltops is collected into the pond like structures that are carved out on the hillsides.
Jheel – Virdas system in Banni Grassland area of the Kutch district in Gujarat. Annual rainfall in this region is very low and temperatures in May-June can reach 48°C -50°C. However, the Maldhari community persists in using the old system to harvest rainwater. Virdas are shallow wells dug in low depressions called jheels (tanks). This old system is still preserved because it ensures potable water for community and their livestock even at times of drought.
