Cambodia is well supplied with water resources. The surface water is used as a drinking water supply, is often the same as used for bathing. Washing clothes,and disposing of waste products.
The provincial centers generally have access to surface water from the river systems in unlimited quantities however the coverage of the piped water supply in those towns as 15% . with service restricted to the central areas of the town. Rural areas utilize streams, lakes, and ponds, and underground water resources from tube, pipe, and dug wells.
Infectious water related diseases are transmitted primarily through human and animal excreta and the use to such unsafe water, poor sanitation, and low hygiene awareness, acts to increase level of sickness and contribute to a rise in the incidence of poverty indicated by high infant mortality rates. Toxics alga has been detected in Phnom Penh's raw water and sedimentation tanks and in the Tonle Sap River in the late dry season, and can produce toxins and release them into drinking water supply.