For the purposes of this article, the following words and phrases shall have the meanings respectively ascribed to them by this section:
Any above-surface type of swimming pool constructed of canvas, rubber, plastic or other material, not designed or intended to be stationary or permanently fixed, but designed and intended to be removed and stored, and not included in the definition of "private swimming pool."
Any private swimming pool, whether permanently constructed or of the portable type, having a depth of more than 18 inches below the level of the surrounding land, or an above-surface pool having a depth of more than 24 inches or having in each case a surface area exceeding 100 square feet, designed, used and maintained for swimming or bathing purposes by an individual for use of members of his household and guests, and located on the applicant's land as an accessory use to a residence, and shall include all buildings, structures, equipment and appurtenances thereto.
Any shallow pool not included in the definition of "private swimming pool."