They can be turned on again at 7 o'cock in the morning.

Dubbo Regional Council has opted to introduce level three water restrictions on October 1 followed by level four restrictions on November 1.

The latter will be harsher on the likes of lawns and residents who like longer showers and cool bedrooms in the wee small hours.

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But Dubbo Regional Council's chief executive officer Michael McMahon says it has a responsibility to reduce demand on the city's current water supply.

"This is an unprecedented time for Dubbo Regional Council, moving quickly from level three to four and will rely on full cooperation from the community," he said.

"Level four restrictions will result in a significant cut to the amount of outdoor water usage and I would encourage residents to familiarise themselves with the changes.

"It also requires people to rethink the way they use water within their homes such as shorter showers and full loads of washing."

From November 1 Dubbo residents will not be able to water their lawns or new turf. Microsprays, drip systems and soaker hoses will be permitted for the watering of gardens between 6pm and 8pm on Wednesdays and Sundays.

Showers must last no longer than five minutes and people who enjoy a bath can have one a day.

Level three water restrictions allow for the watering of lawns and gardens with microsprays, drip systems and soaker hoses between 6am and 9am, and 6pm and 9pm every second day as per the odds and evens system.

The council advised this week that the use of hand-held hoses with trigger nozzles would be allowed under level three restrictions.

"Watering will still need to abide by the odds and even system outlined previously," Mr McMahon said.

Water restrictions are not uniform across NSW with Dubbo Regional Council crafting its own.

The council intends spending $250,000 convincing its communities to save water and showing them how.

For more information visit www.dubbo.nsw.gov.au/dubbodroughthub.