From the observation of production system in water supply and wastewater treatment systems in
Mae Fah Luang University. We study how the water supply and the structure of production, whether it is the allocation of space and pipe laying system and to optimize the various water supply to use. The wastewater treatment system to study the principles and procedures for wastewater treatment. And management of waste water before discharge into nature so they don't harm the environment. Thus, the current water resources is less. We should help each other, care and conservation, is used the following