"Port authority" or "authority" means a port authority created under section 469.049 or a special law. "Port authority" includes a seaway port authority.
A "seaway port authority" or a "seaport" is a port authority with jurisdiction over a harbor on the Great Lakes-St. Lawrence seaway.
A "port district" is the total area of operations of a port authority.
"Marginal property" means property that suffers from at least one of the conditions in this subdivision:
(1) faulty planning causing deterioration, disuse, or economic dislocation;
(2) the subdividing and sale of lots too small and irregular for good use and development;
(3) lots laid out without regard to their physical characteristics and surrounding conditions;
(4) inadequate streets, open spaces, and utilities;
(5) areas that may flood;
(6) lower values, damaged investments, and social and economic maladjustment reducing taxpaying capacity to the extent that tax receipts are too low to pay for the public services rendered;
(7) lack of use or improper use of areas, resulting in stagnant or unproductive land that could contribute to the public health, safety and welfare;
(8) lower population and reduction of proper use of areas causing more decline, and requiring more public money for new public facilities and public services elsewhere;
(9) property valuation too low to establish a local improvement district to construct and install streets, walks, sewers, water and other utilities;
(10) lands within an industrial area not used for industry but needed for industrial development of the area; and
(11) state-acquired tax-forfeited land.
"City" means a home rule charter or statutory city.