Every swimming pool, as defined in § 152.01, shall be completely surrounded by a fence or wall not less than four feet in height, which shall be so constructed as not to have openings, holes or gaps larger than four inches in any dimension except for doors and gates.  If a picket fence is erected or maintained, the horizontal dimension shall not exceed four inches.  A dwelling house or accessory building may be used as part of the enclosure.  All gates or doors opening through the enclosure shall be equipped with a self-closing and self-latching device for keeping the gate or door securely closed at all times when not in actual use, except that the door of any dwelling which forms a part of the enclosure need not be so equipped.  The requirements of this chapter shall be applicable to all new swimming pools hereafter constructed and shall apply to all existing pools which have a minimum depth of two feet of water. 
('88 Code, § 152.02)  (Ord. 1967-15, passed 7-17-67)  Penalty, see § 152.99