Section 16.02.14.210 - DEPTH MARKING LOCATIONS01.Water Depth. Water depth must be plainly marked at or above the water surface on the vertical wall of the pool and on the horizontal edge of the deck or walk next to the pool.02.Depth Markers. Depth markers must be placed at: a. Maximum and minimum depths;b. The five (5) foot break between the deep and shallow portions;c. Intermediate one (1) foot increments of depth, where the water depth is five (5) feet or less; andd. Regular intervals around the pool, not more than twenty-five (25) feet apart.Idaho Admin. Code r. 16.02.14.210