Piped water into dwelling unit

South Pyongan is the top region by piped water into dwelling unit in Democratic People's Republic of Korea. As of 2008, piped water into dwelling unit in South Pyongan was 901,321 that accounts for 18.01% of Democratic People's Republic of Korea's piped water into dwelling unit. The top 5 regions (others are Pyongyang, South Hamgyong, North Pyongan, and North Hamgyong) account for 67.94% of it. Democratic People's Republic of Korea's total piped water into dwelling unit was estimated at 5 million in 2008.