How often must the exterior and interior of ground, elevated, standpipe, and pressure tanks be inspected?

The correct choice indicates that the exterior and interior of ground, elevated, standpipe, and pressure tanks must be inspected yearly. This frequency is established to ensure that these critical components function properly and remain in good condition. Regular inspections help identify any potential issues such as corrosion, leaks, or structural damage that could compromise the integrity of the tanks and the quality of the water they hold.

Annual inspections allow for timely maintenance and repairs, ensuring compliance with health and safety regulations. They not only help protect public health by preventing contamination but also extend the lifespan of the infrastructure. This proactive approach is essential in water system management, as it safeguards water quality and system reliability for the community.