Upon receipt of the formation petition the board shall cause a survey to be made of the proposed improvement, and if it is found that the plan of improvement is feasible, the board shall cause to be prepared a report containing the plans and specifications of the improvement and an estimate of the cost thereof. The report shall be in such detail and be accompanied by such exhibits as will disclose the purpose sought to be accomplished and the means to be employed therefor.
Ca. Water Code § 75001