(1) One or more signs with the following language or substantially similar language shall be posted adjacent to the water slide:

(a) "One rider at a time. Wait until the landing area is clear before starting down the slide";

(b) "Slide in a sitting position or feet first on the back only";

(c) "Do not attempt to stop on the slide";

(d) "Leave plunge area immediately";

(e) "WARNING: Water depth is ____ feet"; and

(f) "Nonswimmers not permitted if landing area water depth is over five feet".

(2) The facility shall fill in the depth of the portion of the pool in which the water slide terminates on the sign posted under (1)(e).