The proceeds of the successful class action against the Defence Department are being readied for distribution.

Katherine was awarded $92.5 million from the class action with many hundreds of residents part of the claim.

Letters have been sent out to as many as 2500 residents setting out the next steps in the claim based on property devaluation as a result of the PFAS still leaking from the Tindal RAAF Base.

The Federal Court has appointed Shine Lawyers as administrators of the settlement.

The first stage is to check the details of each resident who stayed in the action, their details were held by the litigation funder Omni Bridgeway.

This will involve another letter in the next few weeks "with a view to verifying all claim data by late August".

By early September, the administrators hope to send out exact details of how much each will receive from the settlement.

Early estimates of payments vary widely depending on location, size of the property and whether they have a bore or not and have been the source of a lot of discussion in town.

Those proposed payments are then up for review.

If residents intend to object they will have 30 days to do it.

Shine Lawyers says it hopes that call for any responses will be complete by October 4.

"If no review is requested by the expiration date, it will be presumed that you take no issue with the distribution statement."

Depending on the number of objections, the entire review process is likely to take about three months and is hoped to be finished by late December.

"If no review is requested, it is anticipated that distribution of your settlement entitlement will occur in early December 2020. If reviews are requested, please be aware that the anticipated date of distribution of all group member's settlement entitlements may be extended."

The contamination came from fire fighting foams once used in training at the nearby Tindal RAAF Base.

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