Japan
Tap water situation
In Japan, tap water is generally safe to drink across the entire country. The nation is known for its high standards of water treatment and quality control, ensuring clean and safe drinking water for its residents. Water quality can vary slightly by region due to differences in the water sources and local infrastructure, but the national standards are stringent and well-maintained.\n\nThe Ministry of Health, Labour and Welfare is the primary government body responsible for regulating and monitoring water quality in Japan. They have implemented strict guidelines and regular inspections to ensure that the water supply remains safe and healthy for consumption.