Definition. A private or residential permanent swimming pool is an
outdoor structure containing a body of water in a receptacle or other
container having a depth for water at any point of four feet or greater,
located above or below the surface of ground elevation, used or intended
to be used solely by the owner, operator or lessee thereof and his
family, and by friends invited to use it, and includes all structural
facilities, appliances and appurtenances, equipment and other items
used and intended to be used for the operation and maintenance of
a private or residential swimming pool.