Sec. 2. (a) On the filing of a petition under section 1 of this chapter, the board of county commissioners shall have an examination of the stream or watercourse made by a suitable person to ascertain and report to the board of county commissioners the following:
(1) The length of the stream or watercourse.
(2) How much of the stream or watercourse is capable of being declared navigable.
(b) The board of county commissioners shall confirm the report if the board is satisfied that the stream, if navigable, would be of public utility. Upon confirmation the board shall declare the stream navigable and have the report recorded in the records of the board, as public highways are recorded.