Organisations like the Uniting Church and the Law Society of NSW were first to express their relief over the news that the uncertainty over drug rehabilitation in Dubbo has ended.

Uniting Church moderator Rev. Simon Hansford said the funding guarantee would make a 'significant difference' for the region.

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"It will mean that people who need drug treatment will be able to receive it rather than having to travel to Sydney or to miss out on treatment all together," Rev. Hansford said.

"We have always said this is a health and social issue and not a criminal one and our faith in Christ reminds us of the inherent value of all people."

"We all want to live in a world where everyone is treated with dignity and respect, including people who use drugs."

"There are far too many people in Australia, especially in rural and regional Australia, who want drug treatment but are denied it because of a lack of government funding, this decision in relation to a new Dubbo treatment centre is to be applauded."

The Uniting Church toured large parts of the state with their documentary Half a Milllion Steps, a film that chronicled the difficult decisions many have been forced to make in securing treatment for addiction.

The documentary also chronicled the walk made from Dubbo to Sydney by community members in support of a rehab centre's construction.

The Law Society, in conjunction with the Orana Regional Law Society have advocated for the centre for some time.

President Richard Harvey said the centre was well in keeping with the recommended actions determined by the Special Commission into the drug Ice.

"Having residential drug and alcohol rehabilitation services for those living in the country is essential if we are to address the underlying issues of drug and alcohol related offences in the regional areas of the state," Mr Harvey said.

"The need for such a facility in Dubbo has been well established and I commend the NSW Government's $7.5 million commitment to the project."

Emma Maiden, the head of advocacy for the Uniting Church NSW/ACT said the bulk of the credit for the successful campaign belongs with the countless community members and organisations that have pushed for the centre for decades.

"I wouldn't want to take any attention away from the local's amazing effort," Ms Maiden said.

Ms Maiden said that during the Uniting Church's involvement with the campaign, they spoke to countless people who were in desperate need of treatment, and hoped that temporary measures could be put in place to assist them while construction gets underway.

"Some of the people we've spoken to and worked with are still awaiting some form of treatment," Ms Maiden said.

"It's fabulous to see the funding, but people are still in need of help, the new that the centre is going to be built is something that gives great hope."