Ongoing tunnel maintenance directly and indirectly benefits around 70,000 people
Over 2,400 tonnes of stormwater tunnel waste collected yearly to prevent floods
Each year, over 2,400 tonnes of waste are collected from 16 kilometres of underground stormwater tunnels beneath Malta’s streets. Though often unseen, this work plays a vital role in safeguarding around 70,000 residents from flood-related issues.
During a visit to the National Flood Relief Project (NFRP) facilities in Mosta, Parliamentary Secretary for Public Works Omar Farrugia observed the behind-the-scenes operations. Workers from the Public Works Department carry out year-round maintenance to prepare the system for the winter season.
“As the Public Works Department, we are ensuring that the underground infrastructure which collects rainwater from the surface is regularly cleaned and maintained,” explained Farrugia. “This ensures a safer Malta while showing our long-term commitment to sustainability.”
Coastal and Stormwater Unit (CSU) Director Perit Mario Ellul outlined expansion plans to add 4 more kilometres of stormwater channels, tunnels, and large culverts, increasing the total network to 20 kilometres. The current system, located 8 to 25 metres underground, includes 142 culverts and 94 oil filters for rainwater purification before it flows into the tunnels.
In 2024, works also extended to cleaning and restoring rural reservoirs, helping conserve more than 13,000 cubic metres of rainwater for irrigation. This effort is part of broader plans to construct and upgrade reservoirs across localities to increase water storage.
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