Which of the following is excluded from coverage under the Dwelling Policy for loss of property due to water?

The correct answer is Mold Damage, as it is explicitly excluded under the Dwelling Policy. This type of policy is designed primarily for rental properties or homes that are not occupied as a primary residence, and it outlines specific exclusions, including those regarding mold. Mold damage typically results from prolonged moisture exposure, which can arise from various sources like leaks or humidity—situations that are usually contemplated under the policy but still fall under exclusion criteria.

The other options represent scenarios that can potentially be covered under certain conditions. Flood Damage refers specifically to damage caused by overflow of water from sources like rivers or lakes, and it is commonly excluded from standard homeowners' policies but not directly addressed in a typical Dwelling Policy. Accidental Discharge of Water can result from incidents such as burst pipes and may be covered if the discharge is sudden and accidental, showcasing how specific policy language governs coverage scenarios. Water Seepage, which involves the gradual penetration of water into the building, is also often excluded or limited in coverage, but it does not hold the same outright exclusion status as mold damage.

Therefore, Mold Damage stands out as a clear exclusion under the Dwelling Policy guidelines, emphasizing the important distinction of coverage parameters related to water-related losses.