The broad study undertaken by Western Riverina Arts looked at 65 community events over 22 organisations in the Western Riverina.

It assessed the economic impact felt across the communities of Griffith, Leeton, Narrandera and the Murrumbidgee since Saturday March 14.

They worked with organisations such as arts centres, galleries, museums, event promoters, Aboriginal land councils and medical centres, shire councils, arts and community workers, clubs and churches.

Western Riverina Arts executive director Aanya Whitehead says the study shows a measurable loss of a quarter of a million dollars every single day since the sweeping bans on crowd gatherings were imposed.

The most seriously impacted are the Indigenous organisations across the whole region that provide a broad range of community and medical services both in the larger regional centres through to extremely remote communities.

These services include weekly outreach programs like health checks.

All promoted programs have been cancelled except for flu vaccinations.

An Aboriginal Medical Service spokesperson said the impacts on communities were "enormous."

"There are enormous impacts on the communities that we service with us not being there but we can't risk them being exposed as they are the most vulnerable," they said.

Agencies relayed that their staff were facing choices of whether or not they personally pay as a result of the ban out of their leave entitlements that may leave them with little or no security as the crisis progresses.

The study shows that everyone is affected by the COVID-19 ban, not just the arts and community workers.

Small businesses are losing substantial cashflow from the cancellation of festivals, public events, council run programs, sports classes and community initiatives both at a micro and macro level.

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"On a broader level we are having to look at a protocol that can be easily modified for the future in the case of national emergencies such as this," the spokesperson said.

"There needs to be government policy on that.

"As an agency we are too large for local Government and too small for large Government to really look at us. We are trying to handle things within our own infrastructure, it is not easy."

Western Riverina Arts thanked all who had participated int he study.

"There was a universal co-operation and goodwill from all who contributed to the study, acknowledging that Australia needs to get through this crisis with action taken by everyone," Ms Whitehead said.