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Irrigation Department Warns of Possible Flooding in Mahaweli River Basin

November 26, 2025

The Department of Irrigation has issued a 48-hour flood warning for several areas surrounding the Mahaweli River Basin, following significant rainfall in upstream catchment areas since last night.

According to the Department, rising water levels have increased the likelihood of flooding in low-lying regions across the Kinniya, Muttur, Kantale, Seruvila, Welikanda, Medirigiriya, Lankapura, Thamankaduwa, and Dimbulagala Divisional Secretariat Divisions.

The advisory also cautions that sections of the Batticaloa–Polonnaruwa Road, particularly in the Gallella area, may become inundated. The access road to the Somawathiya Raja Maha Vihara and surrounding areas of the temple are also at risk of flooding.

Devotees planning to visit the Somawathiya Raja Maha Vihara have been advised to postpone their travel until further notice.

Residents living close to the Mahaweli River in the identified areas have been urged to remain highly vigilant and take all necessary safety precautions in anticipation of possible flood conditions.

The Department of Irrigation has also called on relevant Disaster Management authorities to initiate appropriate preparedness and response measures.

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