Alerts

⚠️ Alert: Seasonal Flooding Risk in Low-Lying Areas of Gampaha

Inter-monsoonal rains pose flooding risks in Dompe, Biyagama, Kelaniya, and Wattala. Business owners in low-lying areas should take preventive measures to protect inventory and operations.

Gampaha District Portal
April 1, 2026
5 min read
Kelaniya, Biyagama, Dompe, Wattala, Gampaha District

Flooding Alert for Gampaha District Businesses

The Meteorology Department has issued warnings for heavy rainfall across the Western Province during the inter-monsoonal period (March–April and October–November). Several key business areas in Gampaha District face significant flooding risk.

High-Risk Areas

Kelaniya & Biyagama

Areas along the Kelani River banks and the Biyagama EPZ vicinity are particularly vulnerable during heavy rains. The 2024 floods caused temporary closures affecting several manufacturing units.

Dompe & Minuwangoda

Low-lying areas in these regions experienced water accumulation of 1-3 feet during previous monsoon seasons, affecting small businesses and agricultural operations.

Wattala & Ja-Ela

Urban flooding in these densely populated commercial zones disrupts supply chains and retail operations. The 2023 floods resulted in an estimated LKR 120 million in business losses.

Preventive Measures for Businesses

  • 1**Inventory Protection**: Move critical inventory and equipment to elevated areas or upper floors
  • 2**Insurance**: Ensure comprehensive flood insurance coverage for your business premises and stock
  • 3**Drainage**: Clear and maintain drainage systems around your business premises
  • 4**Emergency Plan**: Develop a business continuity plan including employee safety protocols
  • 5**Data Backup**: Ensure digital backups of critical business data and documents
  • Key Contacts

  • Disaster Management Centre: 117
  • Gampaha District Secretariat: +94 11 223 3456
  • Irrigation Department: +94 11 286 1333
  • alertfloodingmonsoonsafetybusiness-continuity