It's a question The Irrigator has posed to the Leeton Business Chamber as the border closure enters its third week.

There appears no real end in site and, given the border is reasonably close to Leeton, will this impact on businesses here who are often trading outside of NSW whether it's by sending their products interstate or perhaps they have dealings with other enterprises in Victoria?

Leeton Business Chamber president Wayne Bond said it is certainly another issue many employers are having to deal with here in town as the COVID-19 pandemic continues to roll on in 2020.

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"I expect the border closures will have a moderate affect on business in town," he said.

"Many (sales) reps and service companies come from Melbourne as the closest major centre.

"(I do worry) ongoing restrictions will continue to hamper business growth and recovery."

From midnight on July 21 a border zone, clearly defined along the Murray River, will restrict entry to NSW for Victorians to extremely limited purposes.

"The growing rates of community transmission in Victoria have us on high alert and the health advice clearly indicates we need to have stricter border closures in place, making it harder to get a permit and easier to cancel them," NSW Minister for Health Brad Hazzard said.

NSW residents, apart from those on the border, who cross the Murray River, or otherwise enters Victoria or has been there in the last 14 days, will be required to self-isolate on their return.

All NSW residents are strongly urged not to travel to Victoria.

Mr Bond is hopeful the border will re-open as soon as possible once it is safe to do so, saying industries such as tourism would echo that sentiment.

"I think tourism is doing it pretty tough at the moment," he said.

"There are however signs of a few travelers visiting the region to 'do their part' in contributing to the local economy."