evidence: This present situation of pollution of these waters is causing serious problems for large populations in many of these districts. The water supply to Colombo, Gampaha and Kalutara is being supervised by the National Water Supply and Drainage Board, but in other districts people have to use the unclean water directly from these sources, without any protection or monitoring [...] The response by the government of Sri Lanka concerning the unsafe water and related health problem needs to be urgent and comprehensive. It needs to immediately address the problem at its source by effectively regulating, monitoring and reducing the use of toxic chemicals that enter the water system, both through the industrial and agricultural sectors. It also needs to extend its safe drinking water services to cover the entire population. It needs to improve the health services it provides to cater for the growing number of persons requiring long-term health treatment for chronic kidney disease. It also needs to engage in campaign of public information in order to provide grater disease prevention and protection for vulnerable groups and the wider population. The Asian Legal Resource Centre urges the Independent Expert on human rights, water and sanitation and other relevant Special Procedures to monitor this situation closely and provide recommendations to the government of Sri Lanka to assist it in resolving this problem before it worsens further.