However, at Sunday's COVID update Premier Gladys Berejiklian stopped short of saying patrons were required to be vaccinated or not.

Instead she referred questions to Dr Jeremy McAnulty, who said NSW Health had produced COVID safety guidelines for the opening of outdoor pools, that "encourages a range of activities to keep patrons and staff safe".

"Of course, part of that is encouraging people strongly to be vaccinated including staff, but there are a range of other activities that can be done to keep people safe at pools," Dr McAnulty said.

Dubbo Regional Council said the opening was dependent on "fulfilment of regulatory requirements and chlorine levels", but it had a plan ready to present to NSW Health.

BBQ facilities will be operating, and swim clubs would be able to resume training as long as they submit a 'COVID Safe Outdoor Event' plan.

Other COVID safe measures include allowing in groups of five adults plus children, masks would be mandatory for everyone when not swimming, and with a number of amenities reduced, swimmers were encouraged to shower at home.

The one person per two square metre rule would apply outdoors, and one person per four square metres indoors. The Dubbo and Wellington facilities would be capped at 300 visitors.

The children's pools and splash parks would be open, while the 50m pools would be unheated for the first few days. Cafes would be closed except for the sale of water and soft drinks.

"Since the reopening announcement, our teams have been deep cleaning facilities, filling pools; and chemical dosing pools to ensure adherence with NSW Public Health regulatory requirements for swimming pools," council's Director Liveability Skye Price said.

The centres will be operating at reduced hours to enable regular deep cleaning, and alternated staff rostering to mitigate any potential cross-infection risks.

Dubbo Mayor Stephen Lawrence said the reopening was just in time for Spring.

"This announcement from the state government shows that we are slowly returning to some normality," Councillor Lawrence said. "We know it gets really hot here in the Dubbo region, so having the aquatic centres in both Dubbo and Wellington open to the community provides an opportunity to get out, get some sunshine and importantly return some normalcy back into our lives."

For the first time, residents will soon be able to purchase a season pass online.

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