How should the tank be positioned to meet building regulations?

To ensure compliance with building regulations, the tank must be positioned level. This is critical because a level tank helps ensure proper distribution and prevents issues such as leaks or structural integrity problems. When a tank is level, it is more likely to function as intended, allowing for appropriate drainage and minimizing the risk of overflow or other malfunctions that could lead to contamination or environmental hazards.

In contrast, positioning the tank above ground may not be suitable in many scenarios where underground placement is mandated for safety and aesthetic reasons. Completely submerging the tank can pose challenges pertaining to access for maintenance and inspections, and might not align with certain regulatory standards. Placing the tank at an angle could lead to uneven pressure distribution within the tank, which can again increase the risk of structural failure or malfunction. Therefore, having the tank level is the most appropriate way to ensure safety, functionality, and adherence to building regulations.