The district may:
(1) control, store, and distribute the water and flood water in the district for or in aid of conserving, preserving, reclaiming, and improving the land and soil in the district;
(2) carry out flood prevention measures to prevent or aid in preventing damage to land and soil and the fertility of the land and soil;
(3) engage in land treatment measures to prevent deterioration, erosion, and loss of land and soil;
(4) carry out preventive and control measures in the district;
(5) construct, acquire, improve, carry out, maintain, repair, and operate dams, structures, projects, and works of improvement for:
(A) flood prevention, including structural and land treatment measures;
(B) agricultural and land treatment measures; and
(C) agricultural phases of the conservation, development, use, and disposal of water in the district; and
(6) purchase or acquire other facilities and equipment necessarily connected with the functions described by Subdivision (5) and engage in activities necessary to carry out those functions.