When the petition proposes the organization of a district for a river basin which is a secondary drainage basin, a tributary drainage area, or an unnamed drainage area, the court shall proceed as follows: Request an official recommendation from the state agency officially designated by the governor to review plans of a river basin conservancy district as hereinafter provided, which agency shall approve or disapprove, or recommend changes with respect to, the extent and purpose of the proposed district as described in the petition, shall include in its recommendation the most properly descriptive name for the proposed district, and shall forward the recommendation to the court within thirty days after receiving the request from the court.