They were set on piles to protect against occasional flooding.
That means people should be physically safe, but low areas will still experience occasional flooding.
The area is subject to occasional flooding in winter.
Heavy winter rains have resulted in occasional flooding of the river.
The area around the huts had accumulated rubble from the occasional flooding.
A thriving commerce went on all along it in spite of the occasional flooding.
But occasional flooding led to a series of lawsuits from neighbors.
In recent years the island has experienced occasional flooding during weather emergencies.
Spring is also characterized by high water levels in the rivers, due to melting snow with occasional flooding.
Sections of its facilities, particularly the sports fields, were prone to occasional flooding.