What is unique about wood water towers?

Wood water towers are unique primarily because they are designed to expand when wet, which helps create a tight seal and prevent leaks. This functionality is a characteristic feature of these towers, making them particularly effective in holding water without allowing it to escape. The natural properties of wood allow it to swell slightly when saturated, filling any gaps that might otherwise lead to leaks.

While it's true that wood water towers are part of both modern and historical designs, they are not necessarily more modern than their steel counterparts. Additionally, though they can hold a significant amount of water, steel towers tend to have greater overall capacity. Relocating wood water towers can also be more complex than one might think, as they often depend on structural considerations and their built-in support systems. Thus, the way they function with their water content represents their unique design and utility.