The question on the CT scanner was deflected to South Coast MP Shelley Hancock who said the Premier was "obviously supportive" but there was still a way to go.

"The Premier is obviously supportive of an additional CT scanner at Milton," Mrs Hancock said.

"We've got a bit of a way to go, though, in terms of making sure that those figures that we're being given by ambulances actually equate with what we're seeing on the ground.

"I'm not giving up on the CT scanner. Absolutely. Because for people to have to come to Nowra for X-rays is not acceptable.

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"It's a small hospital so to reconfigure its ED unit is difficult... we've got a long way to go on that."

The comments come after the Illawarra Shoalhaven Local Health District said the case wasn't strong enough for a CT scanner at Milton Hospital.

"ISLHD has reviewed medical imaging services in Milton Ulladulla Hospital following approaches to introduce a CT scanner however, figures revealed it would not be a practical or viable service," ISLHD chief executive Margot Mains said.

"Additionally, a CT scanner would not be easily accommodated within the facility and to do so would require a multi-million dollar investment (including equipment and ongoing staffing) for a service which would be significantly underutilised.

"ISLHD has a responsibility to ensure we can provide quality health services that can be delivered safely and within the Hospital's capacity. We also have a responsibility to make financial decisions based on the areas of greatest need."

The Shoalhaven and Southern Shoalhaven are expected to grow rapidly over the next few decades. It's expected 33,000 houses will need to be built in the Shoalhaven over the next 30 years to cater for population growth.

The Milton/Ulladulla area also has several planned developments which would see an increased strain on local health services. The developments include a 96 bed aged care facility on Ilett Street in Mollymook and a major retiree development in Milton Meadows.

The Milton Meadows development would include a 89 bed aged care facility, 134 independent living units and 133 units in seven three-storey buildings.

Ms Hancock said they would address those issues as needed.

"It's a growing area in southern Shoalhaven and we have to look to the future with that hospital as well.

"Not just the CT scanner but what we can do for heath services in the southern Shoalhaven - it is rapidly growing.

"But we will address that, as we address all of these issues as we need to."