An autopsy on Friday will likely identify the body of an adult female found in a disused water tank in Laggan as that of Jillian Fahey, 50.

Ms Fahey was last seen in Crookwell on April 16, Easter Sunday.

The body was found on a property near the missing woman’s home on Wednesday.

Daughter Taegan Fahey posted a photo of her mother on Facebook and Instagram on Thursday morning.

“I just can't feel anything any more,” the caption read.

The Fahey family and local community had led a dedicated social media campaign over months.

Upper Lachlan Shire mayor Brian McCormack said he was deeply saddened by the apparent discovery of Ms Fahey’s body.

“Jillian’s disappearance was keenly felt by all who knew her and yesterday’s discovery will be deeply felt by the entire community,” he said on Thursday.

The community’s search “was testament to the affection and admiration felt for Jillian and her family,” he said.

On June 7, about 11.30am, Hume Local Area Command officers were called to the scene by the owner of a Cummins Road property within walking distance of Ms Fahey’s home.

An adult female body was retrieved from an open-top metal water tank that was empty of water or gases, police said.

Hume LAC acting Superintendent Andrew Koutsoufis spoke to media on Thursday afternoon and confirmed the Fahey family had been told.

There was “no evidence” of foul play or suspicious circumstances, and it appeared the body “had been there for quite a while”, he said.

Superintendent Koutsoufis said he believed the area had been searched during preliminary stages of the investigation.

“She was known to be a walker,” he said.

The results of the formal identification on June 9 would be included in a coronial brief.