Dubbo and Wellington will likely remain on level four water restrictions for a "considerable time", says Dubbo Regional Council's chief executive officer.
Level four water restrictions were introduced on November 1, and the rules changed on Monday night to relax what was permitted.
Michael McMahon said the community played a large role in the water restrictions.
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"Restricting both businesses and also residents allows us to ensures that we prolong that water supply," he said.
"We don't want to in fact go to any further levels. At this point in time, with these levels in place, if people are doing the right thing by operating within those particular frameworks, it should enable us to stay on level four for a considerable time into the future, of course subject to further adverse weather conditions."
Under level four restrictions, there is a daily target of 280 litres of water per person per day.
Residents are able to water both their garden and lawns.
Outdoor watering is permitted for a maximum of 30 minutes on Wednesdays and Sundays outside of 9am and 6pm.