The Grand Anicut (Kallani Dam) recorded a gentle influx of 24,486 cubic ft per second (cusecs) of water, matching an equal outflow, guaranteeing easy water distribution throughout the Cauvery delta system. The whole outflow from the dam stands at 24,486 cusecs, distributed exactly among the many main irrigation canals and river branches. This launch will profit the continued agricultural actions within the delta district. This 1,875 years outdated dam was constructed by an historic Chola king Karikalan round 150 CE, Kallanai stands as one of many world's oldest water-regulation buildings nonetheless in use. Located on the Kaveri River, the dam performs a vital position in irrigation throughout Tiruchirapalli and Thanjavur districts.This makes Kallanai one of many oldest functioning water-regulation buildings on the planet—a outstanding image of historic Tamil engineering and river administration.
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