Miss. Code Ann. § 51-31-7: Miss. Code Ann. § 51-31-7

All drainage districts of the state heretofore organized or that may be hereafter organized, except as otherwise provided in Chapters 29 and 33 of this title, shall severally exercise their respective powers and be managed by three county drainage commissioners of the county in which the organization of the district was had and by the chancery court or chancellor in vacation of such county, as hereinafter provided in this chapter.