Full storage dams have been forced to release water into the Tumut and Murrumbidgee rivers over the past two weeks.

NSW SES deputy southern zone commander Barry Griffiths said the focus was on preparing at-risk communities for potential flooding.

"That is not us acting on any information that flooding is coming, that's us acting on the fact that the catchment is very wet and it won't take much to trigger some flooding."

NSW SES held an event in North Wagga on the weekend to gain information from residents who had been through a flood before and discuss the potential emergency response.

Mr Griffiths said he encouraged Wagga residents to plan for how they would respond to a flood.

"For anyone that's new to the area, there's the NSW SES website at ses.nsw.gov.au and also the Wagga City Council website has a lot of really useful information, particularly around flood history," he said.

"Talk to your neighbours, talk to people who have lived in the area for a long period of time. If they have lived through a flood they'll have tips on what you can do.

"We anticipate that high river levels will be around for the next few weeks."

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Mr Griffiths said anyone who needed assistance could call the SES on 132 500 and warned people never to drive through floodwater.

Flood warnings were updated on Tuesday to state that the Murrumbidgee River at Wagga would remain below the minor flood level of 7.30 metres for the rest of the week.

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