Urgent measures include works on the Illisos River, initially a tributary of Kifissos, to increase drainage capacity in case of flood.
Intense rainfall from storm Elena in Greece's Attica region caused flooding, sewerage overflows, road closures, and renewed finger-pointing over the region's inability to manage heavy downpours.
Kyriakos Mitsotakis asked about specter of flooding in Greek capital in wake of Valencia catastrophe
Attica Region authorities say maintenance of Kifissos River is part of a flood prevention plan for the wider Athens area.
The European Commission is taking Greece to court for failure to update its flood risk management plans despite last year’s destruction.