22 Miss. Code. R. 23-03-127
Those areas of land which are suitable for the development of water dependent industry because of their proximity to waters of navigable depth, size and configuration, topography, soil conditions and access to other means of transportation. The definition is limited to, but does not necessarily include, waterfront sites owned by county port authorities, development commissions and port and harbor commissions, and to areas that are now or are later made to be within one thousand (1,000) feet of the centerline of any natural or maintained channel having a depth of seven (7) feet or greater at mean low water. However, additional sites may be included in the definition of suitable sites for water dependent industry with the concurrence of the board of supervisors in the county affected.
22 Miss. Code. R. 23-03-127