After all investigations of water use have been completed and the time for filing proofs of claims has expired, the board shall prepare a report describing the water supply and abstracting the claim of water right of each claimant.

The report shall note separately any material differences between the claims and the factual determinations made by the representatives of the board during the investigation.

The report shall include a map showing the stream system, diversion points, conduits, areas of water use and the type of use, owner’s names, and such other information as the board deems necessary.

The report shall include a preliminary order of determination determining and establishing the several rights to the water of the stream system, giving appropriate consideration to claims at variance with the measurements and determinations of the representatives of the board.

A copy of the report shall be sent by registered mail to each claimant and to each person not filing a claim appearing in the report as a water user. It shall be accompanied by a notice setting a day at least 60 days thereafter, prior to which such persons may file objections to any portion of the report, including the preliminary order of determination.