Miss. Code Ann. § 51-7-1

The purpose of this chapter is to provide for the creation of master water management districts for the carrying out in an orderly manner of works of improvement for the purposes of drainage, prevention of floodwater damage, or the conservation, development, utilization, and disposal of water, including the impoundment, diversion, flowage, and distribution of waters for recreation, beautification, welfare, and other beneficial use as defined in Sections 51-3-1 through 51-3-53. The authority herein granted to master water management districts shall be limited to plans for works of improvement developed and carried out in cooperation with the secretary of agriculture under the provisions of Public Law 566, 83rd Congress, as amended, or projects for any of the purposes provided for by this chapter which may be developed and carried out by or in cooperation with any agency or agencies of the United States government under other laws of the United States.