Civil Defence is ready to 'spring into action' in Westland tonight if predicted heavy rain causes the Waiho River to breach its banks once again.
Last month the river broke through a breakwater, destroying the Scenic Hotel, and flooding other properties just north of Franz Josef.
Over 200 people had to be evacuated from the area in the middle of the night.
Westland Civil Defence controller Andy Thompson says with 200mm of rain forecast tonight, volunteers are on alert, with updated evacuation plans ready to activate if the need arises.
The Waiho river bust its bank and a state of emergency was announced.
Source: 1 NEWS
He says new flood protection put in place after the March flood has held up under heavy rainfall already.
However, he says "we are very aware of the potential for flooding, and everyone's ready if required to spring into action".