Over 77,000 people have been displaced. "There was good news on the receding water levels in rivers during the past 24 hours due to low rainfall that ended at 3.30 pm," the Irrigation Department said.
Hydrology Director P Hettiarachchi said water level in Kalu Ganga and Gin Ganga was falling. Indian Navy divers and medical teams have joined rescue efforts in Sri Lanka's flood-hit regions.
The Indian contingent of over 300 navy personnel was assisting in relief work, with divers searching the brackish waters and medical teams seeing patients at makeshift tents.
Indian Navy vessel INS Shardul has 200 personnel on board, including specialised rescue, diving and medical teams, as well as a large amount of relief material and inflatable boats. INS Kirch was carrying 125 personnel with diving teams, relief supplies, inflatable boats and a mobile medical team.
A third Indian Navy ship arrived today, bringing supplies such as rice, lentil, sugar, milk and blankets.
The two rivers overflowing led to the severe floods, particularly in southern Galle and Kalutara districts. The Sri Lankan government has started cleaning wells and other water sources which got contaminated by floodwater.
Mudslides have become common during Sri Lanka's summer monsoon as forests across the tropical Indian Ocean island nation have been cleared for export crop such as tea and rubber. A massive landslide a year ago killed over 100 people in central Sri Lanka.
Other countries have also started pledging assistance to provide relief to flood victims. Australia has said it would provide 500,000 dollars. A Pakistani relief ship arrived in Sri Lanka yesterday. At least three Chinese ships will arrive on May 2.