In the exercise of the right of eminent domain, all proceedings shall be prosecuted by the board of commissioners for and on behalf of the district, or in the name of the district itself, and such proceedings shall be conducted in the superior court of the county in which the lands sought to be condemned are situated, and shall be in the manner and in accordance with the procedure now provided by law regulating the mode of procedure to appropriate lands, real estate, or property by corporations for corporate purposes.