Fiona Ziff, treasurer of the North Wagga Resident Association, said the group was not satisfied with the Wagga City Council's response to a petition on the matter.

"We're looking at our legal options," she said.

"We'll be pursuing an injunction and compensation because we believe the council is not acting in line with government requirements," she said.

As of Friday, nearly 1300 people had signed an online petition that stated "council must provide adequate flood protection for North Wagga to avoid further trauma".

In response this week, council general manager Peter Thompson said the Floodplain Risk Management Advisory Committee had selected two options to consider in more detail and grant funding had been announced for the two studies.

"One is raising the height of the levee to a one-in-20-year protection based on current levels of information," he said. "The second option is voluntary house purchase or voluntary house-raising."

He said those options had been accepted by the council and "the grant funding has been announced some months ago and we're in the process of doing the feasibility studies."

Ms Ziff said the council had control over which reports went to the committee, which had not been able to consider additional flood protection for North Wagga.

"The 2012 floods hit and the residents were up in arms about the catastrophic flood, and the council were under a bit of pressure to investigate the matter, which they did.

"They commissioned a report by Public Works, which took a year and a half, and they determined that a one-in-100 year flood levee was the most economically and socially favourable.

"It's to do with the fact that they don't want to spend any money on North Wagga."

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Cr Rod Kendall said he had confidence in the committee.

"At the end of the day, the committee makes a recommendation to council and councillors will make a decision," he said.

"That's an appropriate decision process.

"Anybody with a conflict of interest in that process has to declare it or not participate; that's the way council decisions are made on a regular basis."

Cr Kerry Pascoe said he had some issues with the committee but he was not sure how successful the residents would be in their campaign.

"I like working with committees on council but they need to make a difference and get results," he said.

"I resigned from that committee some time ago because things were not happening the way I believed they should."

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