Upon the filing of the agreement with the county clerk, the county court shall establish such drainage district and locate the ditch, drain, or watercourse provided for in the mutual agreement according to the terms of the agreement, and shall have full and complete jurisdiction of the parties and subject matter, and order such procedure under this chapter as may be required to carry out the object and intent of such agreement, and to complete and construct the desired improvement, and shall retain jurisdiction of the parties and subject matter as fully as in other cases provided for in this chapter.