It depends on your specific circumstances and concerns. In general, tap water meets safety standards and is suitable for most people. However, some individuals may prefer to use additional filtration systems for various reasons, such as improving taste, removing specific contaminants, or addressing personal health concerns. Filtration systems like activated carbon filters, reverse osmosis, or UV filters can provide an extra purification layer. Still, it's important to select the right system based on your needs and regularly maintain it as per the manufacturer's instructions.