The Plan shall contain recommendations concerning the need for and the proposed general location of major public works and private facilities, including utilities, flood control works, water reservoirs, pollution control facilities, and military or defense installations, that are of State, as opposed to purely local or regional, concern because of: their function, size, extent, or legal status; the fact that their authorization, location, or construction is legally under the jurisdiction of a unit of the State government; or any other reason that makes inclusion in the Plan appropriate.