How deep is a 12x36 pool?

Your question seems to be based on an assumption that all 12x36 pools have the same depth. However, swimming pools can vary significantly in depth. The depth of a 12x36 pool depends on the design and preferences of the pool owner. Some 12x36 pools can be as shallow as 3 feet, while others can exceed 8 feet in depth. It is crucial to check with the pool builder or the local building codes to determine the specific depth of a particular 12x36 pool.