The General Population Census of Cambodia 2019 has provided detailed information regarding sources of clean drinking water for the provincial populations across the Kingdom, determining which regions depend on rivers, streams, lakes and ponds as primary sources while others depend mostly on wells or transported water.
The census report indicated that Stung Treng province had the highest rate of dependence on natural bodies of water and waterways at 46.1 per cent of the population. Six other provinces relying on these as primary sources of water were Pursat (28.4 per cent), Kampot (25.3 per cent), Oddar Meanchey (24.8 per cent), Pailin (21.5 per cent), Battambang (20.9 per cent) and Mondulkiri (20.6 per cent).
The provinces most dependent on water transported by tanker lorries were Oddar Meanchey (21.3 per cent) and Kampong Speu (17.8 per cent).
Provinces with the highest use of bottled drinking water were Pailin (30.3 per cent), Kep (26.5 per cent) and Banteay Meanchey (22 per cent).
The five provinces where people were most dependent on pumping or drilling wells were Svay Rieng (83.9 per cent), Prey Veng (70 per cent), Tbong Khmum (51.2 per cent), Siem Reap (39.1 per cent) and Kampong Chhnang (36.5 per cent).