The Lindfield Park Road fire that started more than six months ago is finally out.
Over 260mm of rain has fallen across the fire ground this past week.
The Rural Fire Service said an inspection done using thermal imaging cameras indicate the fire has been extinguished.
RFS Mid Coast district officer Stuart Robb said it was "great news".
"It is certainly a relief that a fairly long project we can now safely say is finished," he said.
"That wetland have a significant amount of water in the area, there is a lot of regrowth that has started and is returning to normal water levels."
The Lindfield Park Road fire, which began on July 18, had been active for the past 210 days and burnt over 400ha of peat under the surface.
The fire presented a number of challenges for fire fighters including close proximity to the Port Macquarie Airport, high density housing in the vicinity and the nature of the vegetation types.
There were several health warnings raised regarding smoke and impacts on residents' health including from air quality concerns in relation to the fire. Businesses in the area were significantly affected.
Lindfield Park Road resident Daniel Coleman described the last six months as "terrible".
"You can't breathe, you have to have the windows closed at night, you can't leave your clothes on the washing line," he said.
Over 65 megalitres of reclaimed water from the Port Macquarie - Hastings Council water treatment facility was transferred through a 3km hose line into the wetland to rehydrate the area, and raise the water level.
The use of reclaimed water to combat the bushfire was a first in NSW.
Mr Robb said the use of reclaimed water was "key to the operation".
"The area was so dry so we needed to raise that base water level significantly," he explained.
"It was always a two part operation, that we would raise the base levels but at some point see some surface precipitation (rain)."
The 210 day operation to extinguish the Lindfield Park Road fire was made possible through the collaboration and support form Department of Planning, Industry and Environment, Port Macquarie- Hastings Council, NSW Health, NSW Fire & Rescue and NSW Rural Fire Service.
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