Rivers at Narran, Hebel and Hungerford are expected to peak soon, possibly on Wednesday, as the deluge that fell over Queensland flows into NSW.
The Bureau of Meteorology says storage dams that service large rural properties are soaking up much of the water, saving towns such as Hebel from widespread inundation.
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"We are not seeing the rises as much at Hebel," bureau spokesman Paul Birch said.
"There seems to be a lot of capture and storage from irrigation properties."
The nation's biggest irrigator, Cubbie cotton station, is north of Hebel near the town of Dirranbandi and is benefiting greatly from the flood.
In southwest Queensland, a major clean-up continues in Roma and Charleville where floodwaters have all but disappeared.
South of Roma, floodwaters are slowly receding at St George but several homes remain inundated.
The Department of Communities has set up a community recovery centre at the St George Cultural Centre to help flood-affected residents and property owners.
Downstream from St George, Dirranbandi township has escaped inundation with its levee banks holding.
The bureau says floodwaters have peaked at 5.25 metres at Dirranbandi and will continue to rise ever so slightly on Wednesday.
In central Queensland, floodwaters are concentrated in the Lower Dawson River between Moura and Baralaba.
Floodwaters have steadied at 13.38 metres at Theodore, west of Bundaberg.
