"With a rainfall forecast that the rainfall intensity will increase gradually becoming heavy to very heavy rainfall (7-19 cm) at a few places and isolated extremely heavy rainfall (20 cm) over Chennai, Thiruvallur and Kanchipuram districts of Tamil Nadu, good inflows are likely into the reservoirs of Poondi, Chembarampakkam and other lakes around the Chennai city.
"As the lakes are not full, the inflows shall increase the levels in the reservoirs considerably. State government has been advised to maintain strict vigil at all the lakes in case of exceptionally heavy rainfall," Union Water Resources ministry said in a statement.
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