All pools must have at least thirteen (13) feet of unobstructed area above each diving board as measured from the front end of the board, and this unobstructed area must extend horizontally at least sixteen (16) feet forward of the plummet, at least eight (8) feet behind the plummet, and at least eight (8) feet to both sides of the plummet.
Idaho Admin. Code r. 16.02.14.130