If the board finds that it would be for the best interests of the district and the proposed distribution district to form the distribution district, it shall make and enter in its minutes a final order:
(a) Approving the petition.
(b) Forming the distribution district.
(c) Providing that an ad valorem assessment shall be levied each year in the same manner as district assessments to meet the obligations of the contract with the United States under the federal reclamation laws.
(d) Describing the land in the distribution district.