16.2  Elements of a sanitary survey

One of the most important functions of the onsite sanitary survey is to determine whether the existing facilities are adequate to meet the needs of the users at all times. This is one of several elements that are considered essential in the proper conduct of a thorough sanitary survey. The two key elements that you should focus on are the water source (its physical components, protection and condition of any associated structures) and the use of water at home.