In addition, candidates must have: A baccalaureate degree in sanitary engineering, public health engineering, or in civil engineering with major specialization in sanitary engineering, issued upon completion of a four year course of study in an accredited college, university, or technical institute, and fourteen (114) years of satisfactory practical experience in sanitary engineering work, including seven (7) years of responsible supervisory, executive, or consultative experience in public health sanitary engineering work; or. The Office of Building Water System Oversight (BWSO) within the Bureau of Environmental Sciences and Engineering (ESE) is responsible for conducting inspections to ensure compliance with various rules and regulations aimed at improving the operating conditions of various engineered systems such as cooling towers, water tanks, evaporative condensers, internal plumbing, and wastewater systems in order to prevent risks associated with these systems.