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Colombo faces 24-hour water supply suspension across multiple zones

Several areas across Colombo will experience a complete water supply shutdown beginning at 8pm as authorities conduct essential maintenance work. The extended outage is expected to last a full 24 hours, affecting thousands of residents and businesses across the capital.

LSN Sri Lanka · 3 September 2026

Colombo faces 24-hour water supply suspension across multiple zones

Water supply to multiple zones in Colombo will be halted for 24 hours starting at 8pm, the National Water Supply and Drainage Board announced. The comprehensive shutdown will impact various residential and commercial areas throughout the capital city during the planned maintenance period.

Residents and businesses in the affected zones are advised to store adequate water supplies in advance of the shutdown. The suspension is part of routine infrastructure maintenance work necessary to ensure the continued reliability of the city's water distribution system.

Authorities have not specified which particular areas will be impacted by the outage. Residents are urged to contact the relevant water board offices or local authorities for detailed information about whether their specific address falls within the affected zones.

The National Water Supply and Drainage Board typically schedules such maintenance work to minimise disruption, though the 24-hour duration suggests work of significant scope. Consumers are advised to prepare accordingly and conserve water supplies during this period.