The requirement for the issuance of a special use permit shall be for the purpose of determining that each proposed use is, and will continue to be, compatible with surrounding existing and planned uses. Unless otherwise provided, the special permitted uses outlined in the zoning districts of this chapter shall be permitted uses in their respective districts, subject to the satisfaction of the requirements and standards outlined in this chapter. Any use which is not listed within a zoning district is not permitted. All special permitted uses possess unique characteristics and will be considered on an individual basis.