NBRO declares 42 DS divisions ‘vulnerable’

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Senior Scientist, Landslide Research and Risk Management Division of National Building Research Organisation (NBRO)
Dr K. P. G. Wasantha Senadeera said that along with the prevailing inclement weather conditions 42 Divisional Secretariat (DS) divisions in eight districts across the country have been declared vulnerable zones for landslides and subsidence.

The eight districts are,Colombo, Kalutara, Kandy, Kegalle, Kurunegala, Matale, Nuwara Eliya and Ratnapura.

Level-3 Red evacuation level early landslide warning alerts have been issued to Udapalatha DS Division and surrounding areas in the Kandy District and Rambukkana, Kegalle, Mawanella, Ruwanwella, Bulathkohupitiya and Yatiyantota DS divisions and the surrounding areas in the Kegalle District, Mallawapitiya and the surrounding areas in the Kurunegala District and Kuruwita and Kalawana DS divisions and the surrounding areas in the Ratnapura District.

Level-2 Amber landslide early warning alerts have been issued to Padukka and Seethawaka DS divisions and surrounding areas in the Colombo District, Palindanuwara, Ingiriya and Bulathsinhala DS divisions and the surrounding areas in the Kalutara District, Pathahewaheta, Poojapitiya, Harispattuwa, Ganga WataKorale and Pathadumbara DS divisions and the surrounding areas in the Kandy District, Warakapola, Dehiowita, Deraniyagala, Aranayaka and Galigamuwa DS divisions and the surrounding areas in the Kegalle District and the Ukuwela DS Division and the surrounding areas in the Matale District.

Level-1 Yellow early landslide warning alerts have been issued to Agalawatta and Dodangoda DS divisions and the surrounding areas in the Kalutara District, Deltota, Udapalatha and Ganga Ihala Korale DS divisions and the surrounding areas in the Kandy District, Mawathagama, Rideegama, Kurunegala, Alawwa and Polgahawela DS divisions and the surrounding areas in the Kurunegala District, Rattota, Matale and Ambagamuwa Korale DS divisions and the surrounding areas in the Matale District and Kahawatta, Kiriella, Pelmadulla and Ayagama DS divisions and the surrounding areas in the Ratnapura District.

Residents living in other hilly areas receiving heavy rains have been asked to be vigilant and in case they find any landslide signs including emergence of sudden muddy water or springs from the highlands or surrounding areas, slating of trees or light and telephone posts or cracks on the ground, floor or walls of buildings or sudden splits in the ground. They have been asked to evacuate to safety after informing relevant officials including the Disaster Management centre (DMC) and the nearest Police Station.

Meanwhile, Irrigation Director Eng. S. P. C. Sugeeshwara said that the water level of Maha Oya is rising in Badalgama area, the water level of Kelani Ganga is overflowing in certain urban areas and Hanwella as well as the Kelani’s sub river Kudaganga.

The people living in low-lying areas and river basins have been asked to be vigilant of a possible upsurge and be prepared to move to safety in case water levels of these rivers suddenly increase.

By Naalir Jamaldeen