To prevent injury or drowning and ensure the health and safety of children, ONB providers must comply with the requirements described in this section.

(1) Except for ONB programs that enroll only school-age children and operate on public or private school premises, the following bodies of water must be inaccessible to children in care by using a physical barrier at least five feet tall with a locking mechanism:

(a) Swimming pools when not being used as part of the ONB program;

(b) Uncovered wells, septic tanks, wastewater, wastewater tanks, below grade storage tanks, farm manure ponds, or other similar hazards.

(2) Hot tubs and similar equipment must be made inaccessible to children by using a physical barrier with a locking mechanism.

(3) An ONB program operating near a natural body of water must provide a physical barrier or physical boundary to adjacent bodies of water pursuant to WAC 110-302-0145, and must provide active supervision pursuant to WAC 110-302-0350.

(4) An ONB provider must comply with the supervision requirements of WAC 110-302-0350 when using a swimming pool as part of the ONB program.

(5) Except for ONB programs that enroll only school-age children and operate on public or private school premises, ONB providers must comply with the following requirements when using a swimming pool as part of the ONB program:

(a) Audible alarms must be on all doors, screens, and gates in licensed areas that lead to a swimming pool. The alarm must be sufficient to warn staff when children enter the outdoor area and could access the swimming pool;

(b) Swimming pools must be maintained according to manufacturer specifications;

(c) Swimming pools must be cleaned and sanitized according to manufacturer instructions, chapter 246-260 WAC, and the DOH or local health jurisdiction guidelines;

(d) A swimming pool must not be used if the main drain cover is missing; and

(e) Children in diapers or toilet training must wear swim pants to lower the risk of contaminating the water.

(6) Filtered wading pools must be inaccessible to children when not in use. Wading pools that do not have a filtering system are not permitted in the ONB program space.

(7) If ONB providers use water tables or similar containers, the tables or containers must be emptied and sanitized daily, or more often if necessary.