If the directors shall determine to make additional improvements, works or construction in order to carry out the purposes for which said district was organized, or to reconstruct any improvements theretofore made, and the amount derived from the bonds issued or authorized is not sufficient, a resolution to that effect shall be duly entered upon the minutes of the board, and a certified copy thereof presented to each commissioners court in the district.
Tex. Water Laws ch. 3, art. 7864