Pathanamthitta/Kochi, Two dams—Pamba and Idamalayar, were opened on Tuesday morning following heavy rains in the catchment areas.
People living on the banks of these rivers and adjoining areas have been advised to exercise caution and be vigilant against the rising water levels, sources said.
Two shutters of Pamba river were raised by 30 cm to release 25-50 cusecs of water. Following which the water level in Pamba river rose to 10 cm.
People living at Ranni, Aranmula, Arattupuzha and Chenannur were advised to follow directions from the district administration.
Two shutters of Idamalayar were raised by 80 cm. The water from Idamalayar dam will reach Aluva and Kaladi in Ernakulam at 1200 hrs. The water level of Periyar river is likely to increase by one metre.
Three shutters of Cheruthoni-Idukki dam will be raised at 1100 hrs.
The shutters of the Kaki-Ananthodu Dam in Pathanamthitta district had been opened on Monday.
Moozhiyar and Maniyar dams have also been opened on Monday. The shutters of Peechi, Chimmini, Poomala, Asurankundu, Pathazhakundu and Vazhani dams in Thrissur district have been opened.
Chulliyar Dam, Mangalam, Malampuzha, Kanjirapuzha and Shiruvani dams have been opened in Palakkad district.
Widespread rains are expected in the state for the next 2-3 days from Wednesday.
India Meteorological Department (IMD) has warned of isolated heavy rains in Kerala.